version up to 2.3.1
[platform/upstream/harfbuzz.git] / configure
index 1c08cae..54a04a1 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,8 +1,8 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for HarfBuzz 0.9.40.
+# Generated by GNU Autoconf 2.69 for HarfBuzz 2.3.1.
 #
-# Report bugs to <http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz>.
+# Report bugs to <https://github.com/harfbuzz/harfbuzz/issues/new>.
 #
 #
 # Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
@@ -198,6 +198,7 @@ test -x / || exit 1"
   as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
   eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
   test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1
 
   test -n \"\${ZSH_VERSION+set}\${BASH_VERSION+set}\" || (
     ECHO='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
@@ -205,8 +206,7 @@ test -x / || exit 1"
     ECHO=\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO\$ECHO
     PATH=/empty FPATH=/empty; export PATH FPATH
     test \"X\`printf %s \$ECHO\`\" = \"X\$ECHO\" \\
-      || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1
-test \$(( 1 + 1 )) = 2 || exit 1"
+      || test \"X\`print -r -- \$ECHO\`\" = \"X\$ECHO\" ) || exit 1"
   if (eval "$as_required") 2>/dev/null; then :
   as_have_required=yes
 else
@@ -275,11 +275,10 @@ fi
     $as_echo "$0: be upgraded to zsh 4.3.4 or later."
   else
     $as_echo "$0: Please tell bug-autoconf@gnu.org and
-$0: http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz
-$0: about your system, including any error possibly output
-$0: before this message. Then install a modern shell, or
-$0: manually run the script under such a shell if you do
-$0: have one."
+$0: https://github.com/harfbuzz/harfbuzz/issues/new about
+$0: your system, including any error possibly output before
+$0: this message. Then install a modern shell, or manually
+$0: run the script under such a shell if you do have one."
   fi
   exit 1
 fi
@@ -591,9 +590,9 @@ MAKEFLAGS=
 # Identity of this package.
 PACKAGE_NAME='HarfBuzz'
 PACKAGE_TARNAME='harfbuzz'
-PACKAGE_VERSION='0.9.40'
-PACKAGE_STRING='HarfBuzz 0.9.40'
-PACKAGE_BUGREPORT='http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz'
+PACKAGE_VERSION='2.3.1'
+PACKAGE_STRING='HarfBuzz 2.3.1'
+PACKAGE_BUGREPORT='https://github.com/harfbuzz/harfbuzz/issues/new'
 PACKAGE_URL='http://harfbuzz.org/'
 
 ac_unique_file="src/harfbuzz.pc.in"
@@ -641,6 +640,10 @@ HAVE_CORETEXT_FALSE
 HAVE_CORETEXT_TRUE
 CORETEXT_LIBS
 CORETEXT_CFLAGS
+HAVE_DIRECTWRITE_FALSE
+HAVE_DIRECTWRITE_TRUE
+DIRECTWRITE_LIBS
+DIRECTWRITE_CXXFLAGS
 HAVE_UNISCRIBE_FALSE
 HAVE_UNISCRIBE_TRUE
 UNISCRIBE_LIBS
@@ -649,15 +652,25 @@ HAVE_FREETYPE_FALSE
 HAVE_FREETYPE_TRUE
 FREETYPE_LIBS
 FREETYPE_CFLAGS
+FREETYPE_DEPS
 HAVE_GRAPHITE2_FALSE
 HAVE_GRAPHITE2_TRUE
 GRAPHITE2_LIBS
 GRAPHITE2_CFLAGS
+GRAPHITE2_DEPS
+HAVE_UCDN_FALSE
+HAVE_UCDN_TRUE
+HAVE_ICU_BUILTIN_FALSE
+HAVE_ICU_BUILTIN_TRUE
 HAVE_ICU_FALSE
 HAVE_ICU_TRUE
 ICU_CONFIG
 ICU_LIBS
 ICU_CFLAGS
+HAVE_FONTCONFIG_FALSE
+HAVE_FONTCONFIG_TRUE
+FONTCONFIG_LIBS
+FONTCONFIG_CFLAGS
 HAVE_CAIRO_FT_FALSE
 HAVE_CAIRO_FT_TRUE
 CAIRO_FT_LIBS
@@ -666,8 +679,6 @@ HAVE_CAIRO_FALSE
 HAVE_CAIRO_TRUE
 CAIRO_LIBS
 CAIRO_CFLAGS
-HAVE_UCDN_FALSE
-HAVE_UCDN_TRUE
 HAVE_INTROSPECTION_FALSE
 HAVE_INTROSPECTION_TRUE
 INTROSPECTION_MAKEFILE
@@ -678,6 +689,7 @@ INTROSPECTION_GIRDIR
 INTROSPECTION_GENERATE
 INTROSPECTION_COMPILER
 INTROSPECTION_SCANNER
+have_gobject
 HAVE_GOBJECT_FALSE
 HAVE_GOBJECT_TRUE
 GLIB_MKENUMS
@@ -687,10 +699,9 @@ HAVE_GLIB_FALSE
 HAVE_GLIB_TRUE
 GLIB_LIBS
 GLIB_CFLAGS
+GLIB_DEPS
 HAVE_FALLBACK_FALSE
 HAVE_FALLBACK_TRUE
-HAVE_OT_FALSE
-HAVE_OT_TRUE
 HAVE_PTHREAD_FALSE
 HAVE_PTHREAD_TRUE
 PTHREAD_CFLAGS
@@ -720,6 +731,8 @@ GTKDOC_MKPDF
 GTKDOC_REBASE
 GTKDOC_CHECK_PATH
 GTKDOC_CHECK
+WITH_LIBSTDCXX_FALSE
+WITH_LIBSTDCXX_TRUE
 HB_LIBTOOL_VERSION_INFO
 HB_VERSION
 HB_VERSION_MICRO
@@ -727,6 +740,8 @@ HB_VERSION_MINOR
 HB_VERSION_MAJOR
 GIT
 RAGEL
+PKG_CONFIG_LIBDIR
+PKG_CONFIG_PATH
 PKG_CONFIG
 CXXCPP
 am__fastdepCXX_FALSE
@@ -736,6 +751,7 @@ ac_ct_CXX
 CXXFLAGS
 CXX
 CPP
+LT_SYS_LIBRARY_PATH
 OTOOL64
 OTOOL
 LIPO
@@ -753,7 +769,6 @@ LD
 FGREP
 EGREP
 GREP
-SED
 host_os
 host_vendor
 host_cpu
@@ -782,8 +797,19 @@ CFLAGS
 CC
 ac_ct_AR
 AR
-AUTOMAKE_OLDER_THAN_1_13_FALSE
-AUTOMAKE_OLDER_THAN_1_13_TRUE
+CODE_COVERAGE_RULES
+CODE_COVERAGE_LDFLAGS
+CODE_COVERAGE_LIBS
+CODE_COVERAGE_CXXFLAGS
+CODE_COVERAGE_CFLAGS
+CODE_COVERAGE_CPPFLAGS
+GENHTML
+LCOV
+GCOV
+CODE_COVERAGE_ENABLED
+CODE_COVERAGE_ENABLED_FALSE
+CODE_COVERAGE_ENABLED_TRUE
+SED
 AM_BACKSLASH
 AM_DEFAULT_VERBOSITY
 AM_DEFAULT_V
@@ -830,6 +856,7 @@ infodir
 docdir
 oldincludedir
 includedir
+runstatedir
 localstatedir
 sharedstatedir
 sysconfdir
@@ -853,14 +880,19 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 enable_silent_rules
+with_gcov
+enable_code_coverage
 enable_dependency_tracking
 enable_static
 enable_shared
 with_pic
 enable_fast_install
+with_aix_soname
 with_gnu_ld
 with_sysroot
 enable_libtool_lock
+enable_largefile
+with_libstdc__
 with_html_dir
 enable_gtk_doc
 enable_gtk_doc_html
@@ -869,10 +901,13 @@ with_glib
 with_gobject
 enable_introspection
 with_cairo
+with_fontconfig
 with_icu
+with_ucdn
 with_graphite2
 with_freetype
 with_uniscribe
+with_directwrite
 with_coretext
 '
       ac_precious_vars='build_alias
@@ -883,12 +918,15 @@ CFLAGS
 LDFLAGS
 LIBS
 CPPFLAGS
+LT_SYS_LIBRARY_PATH
 CPP
 CXX
 CXXFLAGS
 CCC
 CXXCPP
 PKG_CONFIG
+PKG_CONFIG_PATH
+PKG_CONFIG_LIBDIR
 GTKDOC_DEPS_CFLAGS
 GTKDOC_DEPS_LIBS
 GLIB_CFLAGS
@@ -899,6 +937,8 @@ CAIRO_CFLAGS
 CAIRO_LIBS
 CAIRO_FT_CFLAGS
 CAIRO_FT_LIBS
+FONTCONFIG_CFLAGS
+FONTCONFIG_LIBS
 ICU_CFLAGS
 ICU_LIBS
 GRAPHITE2_CFLAGS
@@ -943,6 +983,7 @@ datadir='${datarootdir}'
 sysconfdir='${prefix}/etc'
 sharedstatedir='${prefix}/com'
 localstatedir='${prefix}/var'
+runstatedir='${localstatedir}/run'
 includedir='${prefix}/include'
 oldincludedir='/usr/include'
 docdir='${datarootdir}/doc/${PACKAGE_TARNAME}'
@@ -1195,6 +1236,15 @@ do
   | -silent | --silent | --silen | --sile | --sil)
     silent=yes ;;
 
+  -runstatedir | --runstatedir | --runstatedi | --runstated \
+  | --runstate | --runstat | --runsta | --runst | --runs \
+  | --run | --ru | --r)
+    ac_prev=runstatedir ;;
+  -runstatedir=* | --runstatedir=* | --runstatedi=* | --runstated=* \
+  | --runstate=* | --runstat=* | --runsta=* | --runst=* | --runs=* \
+  | --run=* | --ru=* | --r=*)
+    runstatedir=$ac_optarg ;;
+
   -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
     ac_prev=sbindir ;;
   -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
@@ -1332,7 +1382,7 @@ fi
 for ac_var in  exec_prefix prefix bindir sbindir libexecdir datarootdir \
                datadir sysconfdir sharedstatedir localstatedir includedir \
                oldincludedir docdir infodir htmldir dvidir pdfdir psdir \
-               libdir localedir mandir
+               libdir localedir mandir runstatedir
 do
   eval ac_val=\$$ac_var
   # Remove trailing slashes.
@@ -1445,7 +1495,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures HarfBuzz 0.9.40 to adapt to many kinds of systems.
+\`configure' configures HarfBuzz 2.3.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1485,6 +1535,7 @@ Fine tuning of the installation directories:
   --sysconfdir=DIR        read-only single-machine data [PREFIX/etc]
   --sharedstatedir=DIR    modifiable architecture-independent data [PREFIX/com]
   --localstatedir=DIR     modifiable single-machine data [PREFIX/var]
+  --runstatedir=DIR       modifiable per-process data [LOCALSTATEDIR/run]
   --libdir=DIR            object code libraries [EPREFIX/lib]
   --includedir=DIR        C header files [PREFIX/include]
   --oldincludedir=DIR     C header files for non-gcc [/usr/include]
@@ -1515,7 +1566,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of HarfBuzz 0.9.40:";;
+     short | recursive ) echo "Configuration of HarfBuzz 2.3.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1525,6 +1576,7 @@ Optional Features:
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-silent-rules   less verbose build output (undo: "make V=1")
   --disable-silent-rules  verbose build output (undo: "make V=0")
+  --enable-code-coverage  Whether to enable code coverage support
   --enable-dependency-tracking
                           do not reject slow dependency extractors
   --disable-dependency-tracking
@@ -1534,6 +1586,7 @@ Optional Features:
   --enable-fast-install[=PKGS]
                           optimize for fast installation [default=yes]
   --disable-libtool-lock  avoid locking (might break parallel builds)
+  --disable-largefile     omit support for large files
   --enable-gtk-doc        use gtk-doc to build documentation [[default=no]]
   --enable-gtk-doc-html   build documentation in html format [[default=yes]]
   --enable-gtk-doc-pdf    build documentation in pdf format [[default=no]]
@@ -1543,26 +1596,38 @@ Optional Features:
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --with-gcov=GCOV        use given GCOV for coverage (GCOV=gcov).
   --with-pic[=PKGS]       try to use only PIC/non-PIC objects [default=use
                           both]
+  --with-aix-soname=aix|svr4|both
+                          shared library versioning (aka "SONAME") variant to
+                          provide on AIX, [default=aix].
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
   --with-sysroot[=DIR]    Search for dependent libraries within DIR (or the
                           compiler's sysroot if not specified).
+  --with-libstdc++=[yes/no]
+                          Allow linking with libstdc++ [default=no]
   --with-html-dir=PATH    path to installed docs
   --with-glib=[yes/no/auto]
                           Use glib [default=auto]
   --with-gobject=[yes/no/auto]
-                          Use gobject [default=auto]
+                          Use gobject [default=no]
   --with-cairo=[yes/no/auto]
                           Use cairo [default=auto]
-  --with-icu=[yes/no/auto]
+  --with-fontconfig=[yes/no/auto]
+                          Use fontconfig [default=auto]
+  --with-icu=[yes/no/builtin/auto]
                           Use ICU [default=auto]
+  --with-ucdn=[yes/no]    Use builtin UCDN library [default=yes]
   --with-graphite2=[yes/no/auto]
                           Use the graphite2 library [default=no]
   --with-freetype=[yes/no/auto]
                           Use the FreeType library [default=auto]
   --with-uniscribe=[yes/no/auto]
                           Use the Uniscribe library [default=no]
+  --with-directwrite=[yes/no/auto]
+                          Use the DirectWrite library (experimental)
+                          [default=no]
   --with-coretext=[yes/no/auto]
                           Use CoreText [default=no]
 
@@ -1574,11 +1639,17 @@ Some influential environment variables:
   LIBS        libraries to pass to the linker, e.g. -l<library>
   CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
+  LT_SYS_LIBRARY_PATH
+              User-defined run-time library search path.
   CPP         C preprocessor
   CXX         C++ compiler command
   CXXFLAGS    C++ compiler flags
   CXXCPP      C++ preprocessor
   PKG_CONFIG  path to pkg-config utility
+  PKG_CONFIG_PATH
+              directories to add to pkg-config's search path
+  PKG_CONFIG_LIBDIR
+              path overriding pkg-config's built-in search path
   GTKDOC_DEPS_CFLAGS
               C compiler flags for GTKDOC_DEPS, overriding pkg-config
   GTKDOC_DEPS_LIBS
@@ -1596,6 +1667,10 @@ Some influential environment variables:
               C compiler flags for CAIRO_FT, overriding pkg-config
   CAIRO_FT_LIBS
               linker flags for CAIRO_FT, overriding pkg-config
+  FONTCONFIG_CFLAGS
+              C compiler flags for FONTCONFIG, overriding pkg-config
+  FONTCONFIG_LIBS
+              linker flags for FONTCONFIG, overriding pkg-config
   ICU_CFLAGS  C compiler flags for ICU, overriding pkg-config
   ICU_LIBS    linker flags for ICU, overriding pkg-config
   GRAPHITE2_CFLAGS
@@ -1610,7 +1685,7 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
-Report bugs to <http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz>.
+Report bugs to <https://github.com/harfbuzz/harfbuzz/issues/new>.
 HarfBuzz home page: <http://harfbuzz.org/>.
 _ACEOF
 ac_status=$?
@@ -1674,7 +1749,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-HarfBuzz configure 0.9.40
+HarfBuzz configure 2.3.1
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -2070,6 +2145,52 @@ fi
 
 } # ac_fn_cxx_try_link
 
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
+ac_fn_c_check_decl ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  as_decl_name=`echo $2|sed 's/ *(.*//'`
+  as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+  (void) $as_decl_use;
+#else
+  (void) $as_decl_name;
+#endif
+#endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_decl
+
 # ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
 # -------------------------------------------------------
 # Tests whether HEADER exists, giving a warning if it cannot be compiled using
@@ -2140,9 +2261,9 @@ $as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
 $as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
 $as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ------------------------------------------------------------------------- ##
-## Report this to http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz ##
-## ------------------------------------------------------------------------- ##"
+( $as_echo "## -------------------------------------------------------------- ##
+## Report this to https://github.com/harfbuzz/harfbuzz/issues/new ##
+## -------------------------------------------------------------- ##"
      ) | sed "s/^/$as_me: WARNING:     /" >&2
     ;;
 esac
@@ -2344,6 +2465,97 @@ rm -f conftest.val
 
 } # ac_fn_c_compute_int
 
+# ac_fn_cxx_check_header_mongrel LINENO HEADER VAR INCLUDES
+# ---------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_cxx_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_cxx_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+( $as_echo "## -------------------------------------------------------------- ##
+## Report this to https://github.com/harfbuzz/harfbuzz/issues/new ##
+## -------------------------------------------------------------- ##"
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+              { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_cxx_check_header_mongrel
+
 # ac_fn_c_check_type LINENO TYPE VAR INCLUDES
 # -------------------------------------------
 # Tests whether TYPE exists after having included INCLUDES, setting cache
@@ -2401,7 +2613,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by HarfBuzz $as_me 0.9.40, which was
+It was created by HarfBuzz $as_me 2.3.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -2755,7 +2967,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ac_config_headers="$ac_config_headers config.h"
 
 
-am__api_version='1.14'
+am__api_version='1.15'
 
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
@@ -2956,8 +3168,8 @@ test "$program_suffix" != NONE &&
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
 
-# expand $ac_aux_dir to an absolute path
-am_aux_dir=`cd $ac_aux_dir && pwd`
+# Expand $ac_aux_dir to an absolute path.
+am_aux_dir=`cd "$ac_aux_dir" && pwd`
 
 if test x"${MISSING+set}" != xset; then
   case $am_aux_dir in
@@ -2976,7 +3188,7 @@ else
 $as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
 fi
 
-if test x"${install_sh}" != xset; then
+if test x"${install_sh+set}" != xset; then
   case $am_aux_dir in
   *\ * | *\    *)
     install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;;
@@ -3270,7 +3482,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='harfbuzz'
- VERSION='0.9.40'
+ VERSION='2.3.1'
 
 
 # Some tools Automake needs.
@@ -3295,24 +3507,55 @@ MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 # <http://lists.gnu.org/archive/html/automake/2012-07/msg00014.html>
 mkdir_p='$(MKDIR_P)'
 
-# We need awk for the "check" target.  The system "awk" is bad on
-# some platforms.
+# We need awk for the "check" target (and possibly the TAP driver).  The
+# system "awk" is bad on some platforms.
 # Always define AMTAR for backward compatibility.  Yes, it's still used
 # in the wild :-(  We should find a proper way to deprecate it ...
 AMTAR='$${TAR-tar}'
 
 
 # We'll loop over all known methods to create a tar archive until one works.
-_am_tools='gnutar  pax cpio none'
-
-
+_am_tools='gnutar plaintar pax cpio none'
+
+# The POSIX 1988 'ustar' format is defined with fixed-size fields.
+      # There is notably a 21 bits limit for the UID and the GID.  In fact,
+      # the 'pax' utility can hang on bigger UID/GID (see automake bug#8343
+      # and bug#13588).
+      am_max_uid=2097151 # 2^21 - 1
+      am_max_gid=$am_max_uid
+      # The $UID and $GID variables are not portable, so we need to resort
+      # to the POSIX-mandated id(1) utility.  Errors in the 'id' calls
+      # below are definitely unexpected, so allow the users to see them
+      # (that is, avoid stderr redirection).
+      am_uid=`id -u || echo unknown`
+      am_gid=`id -g || echo unknown`
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether UID '$am_uid' is supported by ustar format" >&5
+$as_echo_n "checking whether UID '$am_uid' is supported by ustar format... " >&6; }
+      if test $am_uid -le $am_max_uid; then
+         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      else
+         { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+         _am_tools=none
+      fi
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GID '$am_gid' is supported by ustar format" >&5
+$as_echo_n "checking whether GID '$am_gid' is supported by ustar format... " >&6; }
+      if test $am_gid -le $am_max_gid; then
+         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+      else
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+        _am_tools=none
+      fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to create a pax tar archive" >&5
-$as_echo_n "checking how to create a pax tar archive... " >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to create a ustar tar archive" >&5
+$as_echo_n "checking how to create a ustar tar archive... " >&6; }
 
   # Go ahead even if we have the value already cached.  We do so because we
   # need to set the values for the 'am__tar' and 'am__untar' variables.
-  _am_tools=${am_cv_prog_tar_pax-$_am_tools}
+  _am_tools=${am_cv_prog_tar_ustar-$_am_tools}
 
   for _am_tool in $_am_tools; do
     case $_am_tool in
@@ -3324,8 +3567,8 @@ $as_echo_n "checking how to create a pax tar archive... " >&6; }
    echo "$as_me:$LINENO: \$? = $ac_status" >&5
    (exit $ac_status); } && break
       done
-      am__tar="$_am_tar --format=posix -chf - "'"$$tardir"'
-      am__tar_="$_am_tar --format=posix -chf - "'"$tardir"'
+      am__tar="$_am_tar --format=ustar -chf - "'"$$tardir"'
+      am__tar_="$_am_tar --format=ustar -chf - "'"$tardir"'
       am__untar="$_am_tar -xf -"
       ;;
     plaintar)
@@ -3337,14 +3580,14 @@ $as_echo_n "checking how to create a pax tar archive... " >&6; }
       am__untar='tar xf -'
       ;;
     pax)
-      am__tar='pax -L -x pax -w "$$tardir"'
-      am__tar_='pax -L -x pax -w "$tardir"'
+      am__tar='pax -L -x ustar -w "$$tardir"'
+      am__tar_='pax -L -x ustar -w "$tardir"'
       am__untar='pax -r'
       ;;
     cpio)
-      am__tar='find "$$tardir" -print | cpio -o -H pax -L'
-      am__tar_='find "$tardir" -print | cpio -o -H pax -L'
-      am__untar='cpio -i -H pax -d'
+      am__tar='find "$$tardir" -print | cpio -o -H ustar -L'
+      am__tar_='find "$tardir" -print | cpio -o -H ustar -L'
+      am__untar='cpio -i -H ustar -d'
       ;;
     none)
       am__tar=false
@@ -3355,7 +3598,7 @@ $as_echo_n "checking how to create a pax tar archive... " >&6; }
 
     # If the value was cached, stop now.  We just wanted to have am__tar
     # and am__untar set.
-    test -n "${am_cv_prog_tar_pax}" && break
+    test -n "${am_cv_prog_tar_ustar}" && break
 
     # tar/untar a dummy directory, and stop if the command works.
     rm -rf conftest.dir
@@ -3383,14 +3626,14 @@ $as_echo_n "checking how to create a pax tar archive... " >&6; }
   done
   rm -rf conftest.dir
 
-  if ${am_cv_prog_tar_pax+:} false; then :
+  if ${am_cv_prog_tar_ustar+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  am_cv_prog_tar_pax=$_am_tool
+  am_cv_prog_tar_ustar=$_am_tool
 fi
 
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_tar_pax" >&5
-$as_echo "$am_cv_prog_tar_pax" >&6; }
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_tar_ustar" >&5
+$as_echo "$am_cv_prog_tar_ustar" >&6; }
 
 
 
@@ -3438,13 +3681,6 @@ END
     as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5
   fi
 fi
- if test $am__api_version = 1.11 -o $am__api_version = 1.12; then
-  AUTOMAKE_OLDER_THAN_1_13_TRUE=
-  AUTOMAKE_OLDER_THAN_1_13_FALSE='#'
-else
-  AUTOMAKE_OLDER_THAN_1_13_TRUE='#'
-  AUTOMAKE_OLDER_THAN_1_13_FALSE=
-fi
 
 # Check whether --enable-silent-rules was given.
 if test "${enable_silent_rules+set}" = set; then :
@@ -3485,68 +3721,507 @@ else
 fi
 AM_BACKSLASH='\'
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if ${ac_cv_path_SED+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+     for ac_i in 1 2 3 4 5 6 7; do
+       ac_script="$ac_script$as_nl$ac_script"
+     done
+     echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+     { ac_script=; unset ac_script;}
+     if test -z "$SED"; then
+  ac_path_SED_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in sed gsed; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+  # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+  ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+  ac_count=0
+  $as_echo_n 0123456789 >"conftest.in"
+  while :
+  do
+    cat "conftest.in" "conftest.in" >"conftest.tmp"
+    mv "conftest.tmp" "conftest.in"
+    cp "conftest.in" "conftest.nl"
+    $as_echo '' >> "conftest.nl"
+    "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+    diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
+    if test $ac_count -gt ${ac_path_SED_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_SED="$ac_path_SED"
+      ac_path_SED_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+  rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
 
-# Initialize libtool
-DEPDIR="${am__leading_dot}deps"
+      $ac_path_SED_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_SED"; then
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+  fi
+else
+  ac_cv_path_SED=$SED
+fi
 
-ac_config_commands="$ac_config_commands depfiles"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+  rm -f conftest.sed
 
 
-am_make=${MAKE-make}
-cat > confinc << 'END'
-am__doit:
-       @echo this is the am__doit target
-.PHONY: am__doit
-END
-# If we don't find an include directive, just comment out the code.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
-$as_echo_n "checking for style of include used by $am_make... " >&6; }
-am__include="#"
-am__quote=
-_am_result=none
-# First try GNU make style include.
-echo "include confinc" > confmf
-# Ignore all kinds of additional output from 'make'.
-case `$am_make -s -f confmf 2> /dev/null` in #(
-*the\ am__doit\ target*)
-  am__include=include
-  am__quote=
-  _am_result=GNU
-  ;;
-esac
-# Now try BSD make style include.
-if test "$am__include" = "#"; then
-   echo '.include "confinc"' > confmf
-   case `$am_make -s -f confmf 2> /dev/null` in #(
-   *the\ am__doit\ target*)
-     am__include=.include
-     am__quote="\""
-     _am_result=BSD
-     ;;
-   esac
-fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
-$as_echo "$_am_result" >&6; }
-rm -f confinc confmf
+       # allow to override gcov location
 
-# Check whether --enable-dependency-tracking was given.
-if test "${enable_dependency_tracking+set}" = set; then :
-  enableval=$enable_dependency_tracking;
+# Check whether --with-gcov was given.
+if test "${with_gcov+set}" = set; then :
+  withval=$with_gcov; _AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov
+else
+  _AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov
 fi
 
-if test "x$enable_dependency_tracking" != xno; then
-  am_depcomp="$ac_aux_dir/depcomp"
-  AMDEPBACKSLASH='\'
-  am__nodep='_no'
-fi
- if test "x$enable_dependency_tracking" != xno; then
-  AMDEP_TRUE=
-  AMDEP_FALSE='#'
+
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build with code coverage support" >&5
+$as_echo_n "checking whether to build with code coverage support... " >&6; }
+       # Check whether --enable-code-coverage was given.
+if test "${enable_code_coverage+set}" = set; then :
+  enableval=$enable_code_coverage;
 else
-  AMDEP_TRUE='#'
-  AMDEP_FALSE=
+  enable_code_coverage=no
+fi
+
+
+        if test x$enable_code_coverage = xyes; then
+  CODE_COVERAGE_ENABLED_TRUE=
+  CODE_COVERAGE_ENABLED_FALSE='#'
+else
+  CODE_COVERAGE_ENABLED_TRUE='#'
+  CODE_COVERAGE_ENABLED_FALSE=
+fi
+
+       CODE_COVERAGE_ENABLED=$enable_code_coverage
+
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_code_coverage" >&5
+$as_echo "$enable_code_coverage" >&6; }
+
+       if  test "$enable_code_coverage" = "yes" ; then :
+
+               # check for gcov
+               if test -n "$ac_tool_prefix"; then
+  # Extract the first word of "${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args.
+set dummy ${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_GCOV+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$GCOV"; then
+  ac_cv_prog_GCOV="$GCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_GCOV="${ac_tool_prefix}$_AX_CODE_COVERAGE_GCOV_PROG_WITH"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+GCOV=$ac_cv_prog_GCOV
+if test -n "$GCOV"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GCOV" >&5
+$as_echo "$GCOV" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_GCOV"; then
+  ac_ct_GCOV=$GCOV
+  # Extract the first word of "$_AX_CODE_COVERAGE_GCOV_PROG_WITH", so it can be a program name with args.
+set dummy $_AX_CODE_COVERAGE_GCOV_PROG_WITH; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_GCOV+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$ac_ct_GCOV"; then
+  ac_cv_prog_ac_ct_GCOV="$ac_ct_GCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_ac_ct_GCOV="$_AX_CODE_COVERAGE_GCOV_PROG_WITH"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_GCOV=$ac_cv_prog_ac_ct_GCOV
+if test -n "$ac_ct_GCOV"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_GCOV" >&5
+$as_echo "$ac_ct_GCOV" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+  if test "x$ac_ct_GCOV" = x; then
+    GCOV=":"
+  else
+    case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+    GCOV=$ac_ct_GCOV
+  fi
+else
+  GCOV="$ac_cv_prog_GCOV"
+fi
+
+               if test "X$GCOV" = "X:"; then :
+  as_fn_error $? "gcov is needed to do coverage" "$LINENO" 5
+fi
+
+
+                               if  test "$GCC" = "no" ; then :
+
+                       as_fn_error $? "not compiling with gcc, which is required for gcov code coverage" "$LINENO" 5
+
+fi
+
+               # Extract the first word of "lcov", so it can be a program name with args.
+set dummy lcov; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_LCOV+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$LCOV"; then
+  ac_cv_prog_LCOV="$LCOV" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_LCOV="lcov"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+LCOV=$ac_cv_prog_LCOV
+if test -n "$LCOV"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LCOV" >&5
+$as_echo "$LCOV" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+               # Extract the first word of "genhtml", so it can be a program name with args.
+set dummy genhtml; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_GENHTML+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if test -n "$GENHTML"; then
+  ac_cv_prog_GENHTML="$GENHTML" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_exec_ext in '' $ac_executable_extensions; do
+  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+    ac_cv_prog_GENHTML="genhtml"
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+    break 2
+  fi
+done
+  done
+IFS=$as_save_IFS
+
+fi
+fi
+GENHTML=$ac_cv_prog_GENHTML
+if test -n "$GENHTML"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GENHTML" >&5
+$as_echo "$GENHTML" >&6; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+
+               if  test -z "$LCOV" ; then :
+
+                       as_fn_error $? "To enable code coverage reporting you must have lcov installed" "$LINENO" 5
+
+fi
+
+               if  test -z "$GENHTML" ; then :
+
+                       as_fn_error $? "Could not find genhtml from the lcov package" "$LINENO" 5
+
+fi
+
+                                               CODE_COVERAGE_CPPFLAGS="-DNDEBUG"
+               CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+               CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
+               CODE_COVERAGE_LIBS="-lgcov"
+               CODE_COVERAGE_LDFLAGS="$CODE_COVERAGE_LIBS"
+
+
+
+
+
+
+
+               CODE_COVERAGE_RULES_CHECK='
+       -$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) -k check
+       $(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture
+'
+               CODE_COVERAGE_RULES_CAPTURE='
+       $(code_coverage_v_lcov_cap)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(call code_coverage_sanitize,$(PACKAGE_NAME)-$(PACKAGE_VERSION))" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_OPTIONS)
+       $(code_coverage_v_lcov_ign)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_RMOPTS)
+       -@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp
+       $(code_coverage_v_genhtml)LANG=C $(GENHTML) $(code_coverage_quiet) $(addprefix --prefix ,$(CODE_COVERAGE_DIRECTORY)) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS)
+       @echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"
+'
+               CODE_COVERAGE_RULES_CLEAN='
+clean: code-coverage-clean
+distclean: code-coverage-clean
+code-coverage-clean:
+       -$(LCOV) --directory $(top_builddir) -z
+       -rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+       -find . \( -name "*.gcda" -o -name "*.gcno" -o -name "*.gcov" \) -delete
+'
+
+else
+
+               CODE_COVERAGE_RULES_CHECK='
+       @echo "Need to reconfigure with --enable-code-coverage"
+'
+               CODE_COVERAGE_RULES_CAPTURE="$CODE_COVERAGE_RULES_CHECK"
+               CODE_COVERAGE_RULES_CLEAN=''
+
+fi
+
+CODE_COVERAGE_RULES='
+# Code coverage
+#
+# Optional:
+#  - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
+#    Multiple directories may be specified, separated by whitespace.
+#    (Default: $(top_builddir))
+#  - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
+#    by lcov for code coverage. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
+#  - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
+#    reports to be created. (Default:
+#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
+#  - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage,
+#    set to 0 to disable it and leave empty to stay with the default.
+#    (Default: empty)
+#  - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov
+#    instances. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
+#  - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov
+#    instances. (Default: $CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
+#  - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov
+#  - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the
+#    collecting lcov instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
+#  - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov
+#    instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
+#  - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering
+#    lcov instance. (Default: empty)
+#  - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov
+#    instance. (Default: $CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
+#  - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the
+#    genhtml instance. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE)
+#  - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
+#    instance. (Default: $CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
+#  - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
+#
+# The generated report will be titled using the $(PACKAGE_NAME) and
+# $(PACKAGE_VERSION). In order to add the current git hash to the title,
+# use the git-version-gen script, available online.
+
+# Optional variables
+CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
+CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
+CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
+CODE_COVERAGE_BRANCH_COVERAGE ?=
+CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= $(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
+--rc lcov_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_LCOV_SHOPTS ?= $(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT)
+CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)"
+CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
+CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
+CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?=
+CODE_COVERAGE_LCOV_RMOPTS ?= $(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT)
+CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=\
+$(if $(CODE_COVERAGE_BRANCH_COVERAGE),\
+--rc genhtml_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE))
+CODE_COVERAGE_GENHTML_OPTIONS ?= $(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT)
+CODE_COVERAGE_IGNORE_PATTERN ?=
+
+GITIGNOREFILES ?=
+GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
+
+code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V))
+code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_cap_0 = @echo "  LCOV   --capture"\
+ $(CODE_COVERAGE_OUTPUT_FILE);
+code_coverage_v_lcov_ign = $(code_coverage_v_lcov_ign_$(V))
+code_coverage_v_lcov_ign_ = $(code_coverage_v_lcov_ign_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_lcov_ign_0 = @echo "  LCOV   --remove /tmp/*"\
+ $(CODE_COVERAGE_IGNORE_PATTERN);
+code_coverage_v_genhtml = $(code_coverage_v_genhtml_$(V))
+code_coverage_v_genhtml_ = $(code_coverage_v_genhtml_$(AM_DEFAULT_VERBOSITY))
+code_coverage_v_genhtml_0 = @echo "  GEN   " $(CODE_COVERAGE_OUTPUT_DIRECTORY);
+code_coverage_quiet = $(code_coverage_quiet_$(V))
+code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY))
+code_coverage_quiet_0 = --quiet
+
+# sanitizes the test-name: replaces with underscores: dashes and dots
+code_coverage_sanitize = $(subst -,_,$(subst .,_,$(1)))
+
+# Use recursive makes in order to ignore errors during check
+check-code-coverage:'"$CODE_COVERAGE_RULES_CHECK"'
+
+# Capture code coverage data
+code-coverage-capture: code-coverage-capture-hook'"$CODE_COVERAGE_RULES_CAPTURE"'
+
+# Hook rule executed before code-coverage-capture, overridable by the user
+code-coverage-capture-hook:
+
+'"$CODE_COVERAGE_RULES_CLEAN"'
+
+A''M_DISTCHECK_CONFIGURE_FLAGS ?=
+A''M_DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage
+
+.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean
+'
+
+
+
+
+
+# Initialize libtool
+DEPDIR="${am__leading_dot}deps"
+
+ac_config_commands="$ac_config_commands depfiles"
+
+
+am_make=${MAKE-make}
+cat > confinc << 'END'
+am__doit:
+       @echo this is the am__doit target
+.PHONY: am__doit
+END
+# If we don't find an include directive, just comment out the code.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for style of include used by $am_make" >&5
+$as_echo_n "checking for style of include used by $am_make... " >&6; }
+am__include="#"
+am__quote=
+_am_result=none
+# First try GNU make style include.
+echo "include confinc" > confmf
+# Ignore all kinds of additional output from 'make'.
+case `$am_make -s -f confmf 2> /dev/null` in #(
+*the\ am__doit\ target*)
+  am__include=include
+  am__quote=
+  _am_result=GNU
+  ;;
+esac
+# Now try BSD make style include.
+if test "$am__include" = "#"; then
+   echo '.include "confinc"' > confmf
+   case `$am_make -s -f confmf 2> /dev/null` in #(
+   *the\ am__doit\ target*)
+     am__include=.include
+     am__quote="\""
+     _am_result=BSD
+     ;;
+   esac
+fi
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $_am_result" >&5
+$as_echo "$_am_result" >&6; }
+rm -f confinc confmf
+
+# Check whether --enable-dependency-tracking was given.
+if test "${enable_dependency_tracking+set}" = set; then :
+  enableval=$enable_dependency_tracking;
+fi
+
+if test "x$enable_dependency_tracking" != xno; then
+  am_depcomp="$ac_aux_dir/depcomp"
+  AMDEPBACKSLASH='\'
+  am__nodep='_no'
+fi
+ if test "x$enable_dependency_tracking" != xno; then
+  AMDEP_TRUE=
+  AMDEP_FALSE='#'
+else
+  AMDEP_TRUE='#'
+  AMDEP_FALSE=
 fi
 
 
@@ -4707,8 +5382,8 @@ esac
 
 
 
-macro_version='2.4.2.418'
-macro_revision='2.4.2.418'
+macro_version='2.4.6'
+macro_revision='2.4.6'
 
 
 
@@ -5298,8 +5973,13 @@ else
        # Adding the 'sed 1q' prevents false positives on HP-UX, which says:
        #   nm: unknown option "B" ignored
        # Tru64's nm complains that /dev/null is an invalid object file
-       case `"$tmp_nm" -B /dev/null 2>&1 | sed '1q'` in
-       */dev/null* | *'Invalid file or object type'*)
+       # MSYS converts /dev/null to NUL, MinGW nm treats NUL as empty
+       case $build_os in
+       mingw*) lt_bad_file=conftest.nm/nofile ;;
+       *) lt_bad_file=/dev/null ;;
+       esac
+       case `"$tmp_nm" -B $lt_bad_file 2>&1 | sed '1q'` in
+       *$lt_bad_file* | *'Invalid file or object type'*)
          lt_cv_path_NM="$tmp_nm -B"
          break 2
          ;;
@@ -6003,7 +6683,7 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
-netbsd*)
+netbsd* | netbsdelf*-gnu)
   if echo __ELF__ | $CC -E - | $GREP __ELF__ > /dev/null; then
     lt_cv_deplibs_check_method='match_pattern /lib[^/]+(\.so\.[0-9]+\.[0-9]+|_pic\.a)$'
   else
@@ -6075,6 +6755,9 @@ sysv4 | sysv4.3*)
 tpf*)
   lt_cv_deplibs_check_method=pass_all
   ;;
+os2*)
+  lt_cv_deplibs_check_method=pass_all
+  ;;
 esac
 
 fi
@@ -7057,9 +7740,89 @@ $as_echo "${lt_sysroot:-no}" >&6; }
 
 
 
-# Check whether --enable-libtool-lock was given.
-if test "${enable_libtool_lock+set}" = set; then :
-  enableval=$enable_libtool_lock;
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a working dd" >&5
+$as_echo_n "checking for a working dd... " >&6; }
+if ${ac_cv_path_lt_DD+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+: ${lt_DD:=$DD}
+if test -z "$lt_DD"; then
+  ac_path_lt_DD_found=false
+  # Loop through the user's path and test for each of PROGNAME-LIST
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+    for ac_prog in dd; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
+      ac_path_lt_DD="$as_dir/$ac_prog$ac_exec_ext"
+      as_fn_executable_p "$ac_path_lt_DD" || continue
+if "$ac_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && ac_cv_path_lt_DD="$ac_path_lt_DD" ac_path_lt_DD_found=:
+fi
+      $ac_path_lt_DD_found && break 3
+    done
+  done
+  done
+IFS=$as_save_IFS
+  if test -z "$ac_cv_path_lt_DD"; then
+    :
+  fi
+else
+  ac_cv_path_lt_DD=$lt_DD
+fi
+
+rm -f conftest.i conftest2.i conftest.out
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
+$as_echo "$ac_cv_path_lt_DD" >&6; }
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to truncate binary pipes" >&5
+$as_echo_n "checking how to truncate binary pipes... " >&6; }
+if ${lt_cv_truncate_bin+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  printf 0123456789abcdef0123456789abcdef >conftest.i
+cat conftest.i conftest.i >conftest2.i
+lt_cv_truncate_bin=
+if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
+  cmp -s conftest.i conftest.out \
+  && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
+fi
+rm -f conftest.i conftest2.i conftest.out
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
+$as_echo "$lt_cv_truncate_bin" >&6; }
+
+
+
+
+
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
+# Check whether --enable-libtool-lock was given.
+if test "${enable_libtool_lock+set}" = set; then :
+  enableval=$enable_libtool_lock;
 fi
 
 test no = "$enable_libtool_lock" || enable_libtool_lock=yes
@@ -8041,7 +8804,7 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
       case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
        10.0,*86*-darwin8*|10.0,*-darwin[91]*)
          _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
-       10.[012]*)
+       10.[012][,.]*)
          _lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
        10.*)
          _lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
@@ -8064,6 +8827,41 @@ $as_echo "$lt_cv_ld_force_load" >&6; }
     ;;
   esac
 
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -8479,6 +9277,58 @@ fi
 
 
 
+  shared_archive_member_spec=
+case $host,$enable_shared in
+power*-*-aix[5-9]*,yes)
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide" >&5
+$as_echo_n "checking which variant of shared library versioning to provide... " >&6; }
+
+# Check whether --with-aix-soname was given.
+if test "${with_aix_soname+set}" = set; then :
+  withval=$with_aix_soname; case $withval in
+    aix|svr4|both)
+      ;;
+    *)
+      as_fn_error $? "Unknown argument to --with-aix-soname" "$LINENO" 5
+      ;;
+    esac
+    lt_cv_with_aix_soname=$with_aix_soname
+else
+  if ${lt_cv_with_aix_soname+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  lt_cv_with_aix_soname=aix
+fi
+
+    with_aix_soname=$lt_cv_with_aix_soname
+fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
+$as_echo "$with_aix_soname" >&6; }
+  if test aix != "$with_aix_soname"; then
+    # For the AIX way of multilib, we name the shared archive member
+    # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
+    # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
+    # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
+    # the AIX toolchain works better with OBJECT_MODE set (default 32).
+    if test 64 = "${OBJECT_MODE-32}"; then
+      shared_archive_member_spec=shr_64
+    else
+      shared_archive_member_spec=shr
+    fi
+  fi
+  ;;
+*)
+  with_aix_soname=aix
+  ;;
+esac
+
+
+
+
+
+
+
 
 
 
@@ -8598,15 +9448,8 @@ test -z "$LTCFLAGS" && LTCFLAGS=$CFLAGS
 test -z "$LD" && LD=ld
 test -z "$ac_objext" && ac_objext=o
 
-for cc_temp in $compiler""; do
-  case $cc_temp in
-    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
-    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
-    \-*) ;;
-    *) break;;
-  esac
-done
-cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+func_cc_basename $compiler
+cc_basename=$func_cc_basename_result
 
 
 # Only perform the check for file, if the check method requires it
@@ -8917,6 +9760,11 @@ lt_prog_compiler_static=
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
       # (--disable-auto-import) libraries
       lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+       lt_prog_compiler_static='$wl-static'
+       ;;
+      esac
       ;;
 
     darwin* | rhapsody*)
@@ -9013,6 +9861,11 @@ lt_prog_compiler_static=
       # This hack is so that the source file can tell whether it is being
       # built for inclusion in a dll (and should export symbols for example).
       lt_prog_compiler_pic='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+       lt_prog_compiler_static='$wl-static'
+       ;;
+      esac
       ;;
 
     hpux9* | hpux10* | hpux11*)
@@ -9521,6 +10374,9 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
   openbsd* | bitrig*)
     with_gnu_ld=no
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    link_all_deplibs=no
+    ;;
   esac
 
   ld_shlibs=yes
@@ -9653,6 +10509,34 @@ _LT_EOF
       link_all_deplibs=yes
       ;;
 
+    os2*)
+      hardcode_libdir_flag_spec='-L$libdir'
+      hardcode_minus_L=yes
+      allow_undefined_flag=unsupported
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+       $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+       $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+       $ECHO EXPORTS >> $output_objdir/$libname.def~
+       emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+       $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+       emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+       $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+       $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+       $ECHO EXPORTS >> $output_objdir/$libname.def~
+       prefix_cmds="$SED"~
+       if test EXPORTS = "`$SED 1q $export_symbols`"; then
+         prefix_cmds="$prefix_cmds -e 1d";
+       fi~
+       prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+       cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+       $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+       emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
+      ;;
+
     interix[3-9]*)
       hardcode_direct=no
       hardcode_shlibpath_var=no
@@ -9726,6 +10610,9 @@ _LT_EOF
         fi
 
        case $cc_basename in
+       tcc*)
+         export_dynamic_flag_spec='-rdynamic'
+         ;;
        xlf* | bgf* | bgxlf* | mpixlf*)
          # IBM XL Fortran 10.1 on PPC cannot create shared libs itself
          whole_archive_flag_spec='--whole-archive$convenience --no-whole-archive'
@@ -9744,7 +10631,7 @@ _LT_EOF
       fi
       ;;
 
-    netbsd*)
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
        archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
        wlarc=
@@ -9855,19 +10742,35 @@ _LT_EOF
        no_entry_flag=
       else
        # If we're using GNU nm, then we don't want the "-C" option.
-       # -C means demangle to AIX nm, but means don't demangle with GNU nm
-       # Also, AIX nm treats weak defined symbols like other global
-       # defined symbols, whereas GNU nm marks them as "W".
+       # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+       # Without the "-l" option, or with the "-B" option, AIX nm treats
+       # weak defined symbols like other global defined symbols, whereas
+       # GNU nm marks them as "W".
+       # While the 'weak' keyword is ignored in the Export File, we need
+       # it in the Import File for the 'aix-soname' feature, so we have
+       # to replace the "-B" option with "-P" for AIX nm.
        if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-         export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+         export_symbols_cmds='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
        else
-         export_symbols_cmds='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+         export_symbols_cmds='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
        fi
        aix_use_runtimelinking=no
 
        # Test if we are trying to use run time linking or normal
        # AIX style linking. If -brtl is somewhere in LDFLAGS, we
-       # need to do runtime linking.
+       # have runtime linking enabled, and use it for executables.
+       # For shared libraries, we enable/disable runtime linking
+       # depending on the kind of the shared library created -
+       # when "with_aix_soname,aix_use_runtimelinking" is:
+       # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+       # "aix,yes"  lib.so          shared, rtl:yes, for executables
+       #            lib.a           static archive
+       # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+       #            lib.a(lib.so.V) shared, rtl:no,  for executables
+       # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+       #            lib.a(lib.so.V) shared, rtl:no
+       # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+       #            lib.a           static archive
        case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
          for ld_flag in $LDFLAGS; do
          if (test x-brtl = "x$ld_flag" || test x-Wl,-brtl = "x$ld_flag"); then
@@ -9875,6 +10778,13 @@ _LT_EOF
            break
          fi
          done
+         if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+           # With aix-soname=svr4, we create the lib.so.V shared archives only,
+           # so we don't have lib.a shared libs to link our executables.
+           # We have to force runtime linking in this case.
+           aix_use_runtimelinking=yes
+           LDFLAGS="$LDFLAGS -Wl,-brtl"
+         fi
          ;;
        esac
 
@@ -9894,6 +10804,14 @@ _LT_EOF
       hardcode_libdir_separator=':'
       link_all_deplibs=yes
       file_list_spec='$wl-f,'
+      case $with_aix_soname,$aix_use_runtimelinking in
+      aix,*) ;; # traditional, no import file
+      svr4,* | *,yes) # use import file
+       # The Import File defines what to hardcode.
+       hardcode_direct=no
+       hardcode_direct_absolute=no
+       ;;
+      esac
 
       if test yes = "$GCC"; then
        case $host_os in aix4.[012]|aix4.[012].*)
@@ -9921,6 +10839,11 @@ _LT_EOF
        if test yes = "$aix_use_runtimelinking"; then
          shared_flag="$shared_flag "'$wl-G'
        fi
+       # Need to ensure runtime linking is disabled for the traditional
+       # shared library, or the linker may eventually find shared libraries
+       # /with/ Import File - we do not want to mix them.
+       shared_flag_aix='-shared'
+       shared_flag_svr4='-shared $wl-G'
       else
        # not using gcc
        if test ia64 = "$host_cpu"; then
@@ -9933,6 +10856,8 @@ _LT_EOF
          else
            shared_flag='$wl-bM:SRE'
          fi
+         shared_flag_aix='$wl-bM:SRE'
+         shared_flag_svr4='$wl-G'
        fi
       fi
 
@@ -9940,7 +10865,7 @@ _LT_EOF
       # It seems that -bexpall does not export symbols beginning with
       # underscore (_), so it is better to generate a list of symbols to export.
       always_export_symbols=yes
-      if test yes = "$aix_use_runtimelinking"; then
+      if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
        # Warning - without using the other runtime loading flags (-brtl),
        # -berok will link without error, but may produce a broken library.
        allow_undefined_flag='-berok'
            whole_archive_flag_spec='$convenience'
          fi
          archive_cmds_need_lc=yes
-         # This is similar to how AIX traditionally builds its shared libraries.
-         archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $wl-bnoentry $compiler_flags $wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+         archive_expsym_cmds='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+         # -brtl affects multiple linker settings, -berok does not and is overridden later
+         compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
+         if test svr4 != "$with_aix_soname"; then
+           # This is similar to how AIX traditionally builds its shared libraries.
+           archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+         fi
+         if test aix != "$with_aix_soname"; then
+           archive_expsym_cmds="$archive_expsym_cmds"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+         else
+           # used by -dlpreopen to get the symbols
+           archive_expsym_cmds="$archive_expsym_cmds"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+         fi
+         archive_expsym_cmds="$archive_expsym_cmds"'~$RM -r $output_objdir/$realname.d'
        fi
       fi
       ;;
@@ -10364,6 +11301,7 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
        if test yes = "$lt_cv_irix_exported_symbol"; then
           archive_expsym_cmds='$CC -shared $pic_flag $libobjs $deplibs $compiler_flags $wl-soname $wl$soname `test -n "$verstring" && func_echo_all "$wl-set_version $wl$verstring"` $wl-update_registry $wl$output_objdir/so_locations $wl-exports_file $wl$export_symbols -o $lib'
        fi
+       link_all_deplibs=no
       else
        archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -o $lib'
        archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && func_echo_all "-set_version $verstring"` -update_registry $output_objdir/so_locations -exports_file $export_symbols -o $lib'
@@ -10375,7 +11313,17 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
       link_all_deplibs=yes
       ;;
 
-    netbsd*)
+    linux*)
+      case $cc_basename in
+      tcc*)
+       # Fabrice Bellard et al's Tiny C Compiler
+       ld_shlibs=yes
+       archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $compiler_flags'
+       ;;
+      esac
+      ;;
+
+    netbsd* | netbsdelf*-gnu)
       if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
        archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
       else
@@ -10420,8 +11368,28 @@ $as_echo "$lt_cv_irix_exported_symbol" >&6; }
       hardcode_libdir_flag_spec='-L$libdir'
       hardcode_minus_L=yes
       allow_undefined_flag=unsupported
-      archive_cmds='$ECHO "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~echo DATA >> $output_objdir/$libname.def~echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
-      old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
+      shrext_cmds=.dll
+      archive_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+       $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+       $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+       $ECHO EXPORTS >> $output_objdir/$libname.def~
+       emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+       $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+       emximp -o $lib $output_objdir/$libname.def'
+      archive_expsym_cmds='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+       $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+       $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+       $ECHO EXPORTS >> $output_objdir/$libname.def~
+       prefix_cmds="$SED"~
+       if test EXPORTS = "`$SED 1q $export_symbols`"; then
+         prefix_cmds="$prefix_cmds -e 1d";
+       fi~
+       prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+       cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+       $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+       emximp -o $lib $output_objdir/$libname.def'
+      old_archive_From_new_cmds='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+      enable_shared_with_static_runtimes=yes
       ;;
 
     osf3*)
@@ -10944,6 +11912,8 @@ hardcode_into_libs=no
 # flags to be left without arguments
 need_version=unknown
 
+
+
 case $host_os in
 aix3*)
   version_type=linux # correct to gnu/linux during the next big refactor
@@ -10980,20 +11950,70 @@ aix[4-9]*)
       fi
       ;;
     esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
     # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
     # soname into executable. Probably we can add versioning support to
     # collect2, so additional links can be useful in future.
-    if test yes = "$aix_use_runtimelinking"; then
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
       # If using run time linking (on AIX 4.2 or later) use lib<name>.so
       # instead of lib<name>.a to let people know that these are not
       # typical AIX shared libraries.
       library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    else
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a(lib.so.V)'
       # We preserve .a as extension for shared libraries through AIX4.2
       # and later when we are not doing run time linking.
       library_names_spec='$libname$release.a $libname.a'
       soname_spec='$libname$release$shared_ext$major'
-    fi
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
     shlibpath_var=LIBPATH
   fi
   ;;
@@ -11181,7 +12201,8 @@ freebsd* | dragonfly*)
   version_type=freebsd-$objformat
   case $version_type in
     freebsd-elf*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
       need_version=no
       need_lib_prefix=no
       ;;
@@ -11241,10 +12262,11 @@ hpux9* | hpux10* | hpux11*)
     soname_spec='$libname$release$shared_ext$major'
     if test 32 = "$HPUX_IA64_MODE"; then
       sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
     else
       sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
     fi
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
   hppa*64*)
     shrext_cmds='.sl'
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Append ld.so.conf contents to the search path
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[      ]*hwcap[        ]/d;s/[:,      ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
     sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
+netbsdelf*-gnu)
+  version_type=linux
+  need_lib_prefix=no
+  need_version=no
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
 netbsd*)
   version_type=sunos
   need_lib_prefix=no
@@ -11465,11 +12504,32 @@ openbsd* | bitrig*)
 
 os2*)
   libname_spec='$name'
+  version_type=windows
   shrext_cmds=.dll
+  need_version=no
   need_lib_prefix=no
-  library_names_spec='$libname$shared_ext $libname.a'
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
   dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=LIBPATH
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
   ;;
 
 osf3* | osf4* | osf5*)
@@ -11545,7 +12605,7 @@ sysv4*MP*)
   ;;
 
 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=freebsd-elf
+  version_type=sco
   need_lib_prefix=no
   need_version=no
   library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
 if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
   sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
 fi
+
 if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
   sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
 fi
 
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+
+
+
+
+
 
 
 
@@ -12074,7 +13149,7 @@ else
 #  endif
 #endif
 
-/* When -fvisbility=hidden is used, assume the code has been annotated
+/* When -fvisibility=hidden is used, assume the code has been annotated
    correspondingly for the symbols needed.  */
 #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
 int fnord () __attribute__((visibility("default")));
@@ -12180,7 +13255,7 @@ else
 #  endif
 #endif
 
-/* When -fvisbility=hidden is used, assume the code has been annotated
+/* When -fvisibility=hidden is used, assume the code has been annotated
    correspondingly for the symbols needed.  */
 #if defined __GNUC__ && (((__GNUC__ == 3) && (__GNUC_MINOR__ >= 3)) || (__GNUC__ > 3))
 int fnord () __attribute__((visibility("default")));
@@ -12329,8 +13404,12 @@ $as_echo_n "checking whether to build shared libraries... " >&6; }
     ;;
 
   aix[4-9]*)
-    if test ia64 != "$host_cpu" && test no = "$aix_use_runtimelinking"; then
-      test yes = "$enable_shared" && enable_static=no
+    if test ia64 != "$host_cpu"; then
+      case $enable_shared,$with_aix_soname,$aix_use_runtimelinking in
+      yes,aix,yes) ;;                  # shared object as lib.so file only
+      yes,svr4,*) ;;                   # shared object as lib.so archive member only
+      yes,*) enable_static=no ;;       # shared object in lib.a archive as well
+      esac
     fi
     ;;
   esac
@@ -13106,6 +14185,183 @@ else
 fi
 
 
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5
+$as_echo_n "checking for $CC option to accept ISO C99... " >&6; }
+if ${ac_cv_prog_cc_c99+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_prog_cc_c99=no
+ac_save_CC=$CC
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include <stdio.h>
+
+// Check varargs macros.  These examples are taken from C99 6.10.3.5.
+#define debug(...) fprintf (stderr, __VA_ARGS__)
+#define showlist(...) puts (#__VA_ARGS__)
+#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__))
+static void
+test_varargs_macros (void)
+{
+  int x = 1234;
+  int y = 5678;
+  debug ("Flag");
+  debug ("X = %d\n", x);
+  showlist (The first, second, and third items.);
+  report (x>y, "x is %d but y is %d", x, y);
+}
+
+// Check long long types.
+#define BIG64 18446744073709551615ull
+#define BIG32 4294967295ul
+#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0)
+#if !BIG_OK
+  your preprocessor is broken;
+#endif
+#if BIG_OK
+#else
+  your preprocessor is broken;
+#endif
+static long long int bignum = -9223372036854775807LL;
+static unsigned long long int ubignum = BIG64;
+
+struct incomplete_array
+{
+  int datasize;
+  double data[];
+};
+
+struct named_init {
+  int number;
+  const wchar_t *name;
+  double average;
+};
+
+typedef const char *ccp;
+
+static inline int
+test_restrict (ccp restrict text)
+{
+  // See if C++-style comments work.
+  // Iterate through items via the restricted pointer.
+  // Also check for declarations in for loops.
+  for (unsigned int i = 0; *(text+i) != '\0'; ++i)
+    continue;
+  return 0;
+}
+
+// Check varargs and va_copy.
+static void
+test_varargs (const char *format, ...)
+{
+  va_list args;
+  va_start (args, format);
+  va_list args_copy;
+  va_copy (args_copy, args);
+
+  const char *str;
+  int number;
+  float fnumber;
+
+  while (*format)
+    {
+      switch (*format++)
+       {
+       case 's': // string
+         str = va_arg (args_copy, const char *);
+         break;
+       case 'd': // int
+         number = va_arg (args_copy, int);
+         break;
+       case 'f': // float
+         fnumber = va_arg (args_copy, double);
+         break;
+       default:
+         break;
+       }
+    }
+  va_end (args_copy);
+  va_end (args);
+}
+
+int
+main ()
+{
+
+  // Check bool.
+  _Bool success = false;
+
+  // Check restrict.
+  if (test_restrict ("String literal") == 0)
+    success = true;
+  char *restrict newvar = "Another string";
+
+  // Check varargs.
+  test_varargs ("s, d' f .", "string", 65, 34.234);
+  test_varargs_macros ();
+
+  // Check flexible array members.
+  struct incomplete_array *ia =
+    malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10));
+  ia->datasize = 10;
+  for (int i = 0; i < ia->datasize; ++i)
+    ia->data[i] = i * 1.234;
+
+  // Check named initializers.
+  struct named_init ni = {
+    .number = 34,
+    .name = L"Test wide string",
+    .average = 543.34343,
+  };
+
+  ni.number = 58;
+
+  int dynamic_array[ni.number];
+  dynamic_array[ni.number - 1] = 543;
+
+  // work around unused variable warnings
+  return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x'
+         || dynamic_array[ni.number - 1] != 543);
+
+  ;
+  return 0;
+}
+_ACEOF
+for ac_arg in '' -std=gnu99 -std=c99 -c99 -AC99 -D_STDC_C99= -qlanglvl=extc99
+do
+  CC="$ac_save_CC $ac_arg"
+  if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_prog_cc_c99=$ac_arg
+fi
+rm -f core conftest.err conftest.$ac_objext
+  test "x$ac_cv_prog_cc_c99" != "xno" && break
+done
+rm -f conftest.$ac_ext
+CC=$ac_save_CC
+
+fi
+# AC_CACHE_VAL
+case "x$ac_cv_prog_cc_c99" in
+  x)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
+$as_echo "none needed" >&6; } ;;
+  xno)
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
+$as_echo "unsupported" >&6; } ;;
+  *)
+    CC="$CC $ac_cv_prog_cc_c99"
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+$as_echo "$ac_cv_prog_cc_c99" >&6; } ;;
+esac
+if test "x$ac_cv_prog_cc_c99" != xno; then :
+
+fi
+
+
 
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
@@ -13744,15 +15000,8 @@ $RM -r conftest*
   CFLAGS=$CXXFLAGS
   compiler=$CC
   compiler_CXX=$CC
-  for cc_temp in $compiler""; do
-  case $cc_temp in
-    compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
-    distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
-    \-*) ;;
-    *) break;;
-  esac
-done
-cc_basename=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+  func_cc_basename $compiler
+cc_basename=$func_cc_basename_result
 
 
   if test -n "$compiler"; then
@@ -13943,7 +15192,19 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
 
           # Test if we are trying to use run time linking or normal
           # AIX style linking. If -brtl is somewhere in LDFLAGS, we
-          # need to do runtime linking.
+          # have runtime linking enabled, and use it for executables.
+          # For shared libraries, we enable/disable runtime linking
+          # depending on the kind of the shared library created -
+          # when "with_aix_soname,aix_use_runtimelinking" is:
+          # "aix,no"   lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "aix,yes"  lib.so          shared, rtl:yes, for executables
+          #            lib.a           static archive
+          # "both,no"  lib.so.V(shr.o) shared, rtl:yes
+          #            lib.a(lib.so.V) shared, rtl:no,  for executables
+          # "both,yes" lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a(lib.so.V) shared, rtl:no
+          # "svr4,*"   lib.so.V(shr.o) shared, rtl:yes, for executables
+          #            lib.a           static archive
           case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
            for ld_flag in $LDFLAGS; do
              case $ld_flag in
@@ -13953,6 +15214,13 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
                ;;
              esac
            done
+           if test svr4,no = "$with_aix_soname,$aix_use_runtimelinking"; then
+             # With aix-soname=svr4, we create the lib.so.V shared archives only,
+             # so we don't have lib.a shared libs to link our executables.
+             # We have to force runtime linking in this case.
+             aix_use_runtimelinking=yes
+             LDFLAGS="$LDFLAGS -Wl,-brtl"
+           fi
            ;;
           esac
 
@@ -13972,6 +15240,14 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
         hardcode_libdir_separator_CXX=':'
         link_all_deplibs_CXX=yes
         file_list_spec_CXX='$wl-f,'
+        case $with_aix_soname,$aix_use_runtimelinking in
+        aix,*) ;;      # no import file
+        svr4,* | *,yes) # use import file
+          # The Import File defines what to hardcode.
+          hardcode_direct_CXX=no
+          hardcode_direct_absolute_CXX=no
+          ;;
+        esac
 
         if test yes = "$GXX"; then
           case $host_os in aix4.[012]|aix4.[012].*)
@@ -13998,6 +15274,11 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
          if test yes = "$aix_use_runtimelinking"; then
            shared_flag=$shared_flag' $wl-G'
          fi
+         # Need to ensure runtime linking is disabled for the traditional
+         # shared library, or the linker may eventually find shared libraries
+         # /with/ Import File - we do not want to mix them.
+         shared_flag_aix='-shared'
+         shared_flag_svr4='-shared $wl-G'
         else
           # not using gcc
           if test ia64 = "$host_cpu"; then
@@ -14010,6 +15291,8 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
            else
              shared_flag='$wl-bM:SRE'
            fi
+           shared_flag_aix='$wl-bM:SRE'
+           shared_flag_svr4='$wl-G'
           fi
         fi
 
@@ -14018,10 +15301,11 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
         # underscore (_), so it is better to generate a list of symbols to
        # export.
         always_export_symbols_CXX=yes
-        if test yes = "$aix_use_runtimelinking"; then
+       if test aix,yes = "$with_aix_soname,$aix_use_runtimelinking"; then
           # Warning - without using the other runtime loading flags (-brtl),
           # -berok will link without error, but may produce a broken library.
-          allow_undefined_flag_CXX='-berok'
+          # The "-G" linker flag allows undefined symbols.
+          no_undefined_flag_CXX='-bernotok'
           # Determine the default libpath from the value encoded in an empty
           # executable.
           if test set = "${lt_cv_aix_libpath+set}"; then
              whole_archive_flag_spec_CXX='$convenience'
            fi
            archive_cmds_need_lc_CXX=yes
-           # This is similar to how AIX traditionally builds its shared
-           # libraries.
-           archive_expsym_cmds_CXX="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $wl-bnoentry $compiler_flags $wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
+           archive_expsym_cmds_CXX='$RM -r $output_objdir/$realname.d~$MKDIR $output_objdir/$realname.d'
+           # -brtl affects multiple linker settings, -berok does not and is overridden later
+           compiler_flags_filtered='`func_echo_all "$compiler_flags " | $SED -e "s%-brtl\\([, ]\\)%-berok\\1%g"`'
+           if test svr4 != "$with_aix_soname"; then
+             # This is similar to how AIX traditionally builds its shared
+             # libraries. Need -bnortl late, we may have -brtl in LDFLAGS.
+             archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_aix' -o $output_objdir/$realname.d/$soname $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$realname.d/$soname'
+           fi
+           if test aix != "$with_aix_soname"; then
+             archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$CC '$shared_flag_svr4' -o $output_objdir/$realname.d/$shared_archive_member_spec.o $libobjs $deplibs $wl-bnoentry '$compiler_flags_filtered'$wl-bE:$export_symbols$allow_undefined_flag~$STRIP -e $output_objdir/$realname.d/$shared_archive_member_spec.o~( func_echo_all "#! $soname($shared_archive_member_spec.o)"; if test shr_64 = "$shared_archive_member_spec"; then func_echo_all "# 64"; else func_echo_all "# 32"; fi; cat $export_symbols ) > $output_objdir/$realname.d/$shared_archive_member_spec.imp~$AR $AR_FLAGS $output_objdir/$soname $output_objdir/$realname.d/$shared_archive_member_spec.o $output_objdir/$realname.d/$shared_archive_member_spec.imp'
+           else
+             # used by -dlpreopen to get the symbols
+             archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$MV  $output_objdir/$realname.d/$soname $output_objdir'
+           fi
+           archive_expsym_cmds_CXX="$archive_expsym_cmds_CXX"'~$RM -r $output_objdir/$realname.d'
           fi
         fi
         ;;
 
        ;;
 
+      os2*)
+       hardcode_libdir_flag_spec_CXX='-L$libdir'
+       hardcode_minus_L_CXX=yes
+       allow_undefined_flag_CXX=unsupported
+       shrext_cmds=.dll
+       archive_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+         $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+         $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+         $ECHO EXPORTS >> $output_objdir/$libname.def~
+         emxexp $libobjs | $SED /"_DLL_InitTerm"/d >> $output_objdir/$libname.def~
+         $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+         emximp -o $lib $output_objdir/$libname.def'
+       archive_expsym_cmds_CXX='$ECHO "LIBRARY ${soname%$shared_ext} INITINSTANCE TERMINSTANCE" > $output_objdir/$libname.def~
+         $ECHO "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~
+         $ECHO "DATA MULTIPLE NONSHARED" >> $output_objdir/$libname.def~
+         $ECHO EXPORTS >> $output_objdir/$libname.def~
+         prefix_cmds="$SED"~
+         if test EXPORTS = "`$SED 1q $export_symbols`"; then
+           prefix_cmds="$prefix_cmds -e 1d";
+         fi~
+         prefix_cmds="$prefix_cmds -e \"s/^\(.*\)$/_\1/g\""~
+         cat $export_symbols | $prefix_cmds >> $output_objdir/$libname.def~
+         $CC -Zdll -Zcrtdll -o $output_objdir/$soname $libobjs $deplibs $compiler_flags $output_objdir/$libname.def~
+         emximp -o $lib $output_objdir/$libname.def'
+       old_archive_From_new_cmds_CXX='emximp -o $output_objdir/${libname}_dll.a $output_objdir/$libname.def'
+       enable_shared_with_static_runtimes_CXX=yes
+       ;;
+
       dgux*)
         case $cc_basename in
           ec++*)
@@ -15064,51 +16388,6 @@ interix[3-9]*)
   postdep_objects_CXX=
   postdeps_CXX=
   ;;
-
-linux*)
-  case `$CC -V 2>&1 | sed 5q` in
-  *Sun\ C*)
-    # Sun C++ 5.9
-
-    # The more standards-conforming stlport4 library is
-    # incompatible with the Cstd library. Avoid specifying
-    # it if it's in CXXFLAGS. Ignore libCrun as
-    # -library=stlport4 depends on it.
-    case " $CXX $CXXFLAGS " in
-    *" -library=stlport4 "*)
-      solaris_use_stlport4=yes
-      ;;
-    esac
-
-    if test yes != "$solaris_use_stlport4"; then
-      postdeps_CXX='-library=Cstd -library=Crun'
-    fi
-    ;;
-  esac
-  ;;
-
-solaris*)
-  case $cc_basename in
-  CC* | sunCC*)
-    # The more standards-conforming stlport4 library is
-    # incompatible with the Cstd library. Avoid specifying
-    # it if it's in CXXFLAGS. Ignore libCrun as
-    # -library=stlport4 depends on it.
-    case " $CXX $CXXFLAGS " in
-    *" -library=stlport4 "*)
-      solaris_use_stlport4=yes
-      ;;
-    esac
-
-    # Adding this requires a known-good setup of shared libraries for
-    # Sun compiler versions before 5.6, else PIC objects from an old
-    # archive will be linked into the output, leading to subtle bugs.
-    if test yes != "$solaris_use_stlport4"; then
-      postdeps_CXX='-library=Cstd -library=Crun'
-    fi
-    ;;
-  esac
-  ;;
 esac
 
 
@@ -15194,6 +16473,11 @@ lt_prog_compiler_static_CXX=
       # Although the cygwin gcc ignores -fPIC, still need this for old-style
       # (--disable-auto-import) libraries
       lt_prog_compiler_pic_CXX='-DDLL_EXPORT'
+      case $host_os in
+      os2*)
+       lt_prog_compiler_static_CXX='$wl-static'
+       ;;
+      esac
       ;;
     darwin* | rhapsody*)
       # PIC is the default on this platform
@@ -15383,7 +16667,7 @@ lt_prog_compiler_static_CXX=
            ;;
        esac
        ;;
-      netbsd*)
+      netbsd* | netbsdelf*-gnu)
        ;;
       *qnx* | *nto*)
         # QNX uses GNU C++, but need to define -shared option too, otherwise
@@ -15731,13 +17015,17 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
   case $host_os in
   aix[4-9]*)
     # If we're using GNU nm, then we don't want the "-C" option.
-    # -C means demangle to AIX nm, but means don't demangle with GNU nm
-    # Also, AIX nm treats weak defined symbols like other global defined
-    # symbols, whereas GNU nm marks them as "W".
+    # -C means demangle to GNU nm, but means don't demangle to AIX nm.
+    # Without the "-l" option, or with the "-B" option, AIX nm treats
+    # weak defined symbols like other global defined symbols, whereas
+    # GNU nm marks them as "W".
+    # While the 'weak' keyword is ignored in the Export File, we need
+    # it in the Import File for the 'aix-soname' feature, so we have
+    # to replace the "-B" option with "-P" for AIX nm.
     if $NM -V 2>&1 | $GREP 'GNU' > /dev/null; then
-      export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+      export_symbols_cmds_CXX='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W")) && (substr(\$ 3,1,1) != ".")) { if (\$ 2 == "W") { print \$ 3 " weak" } else { print \$ 3 } } }'\'' | sort -u > $export_symbols'
     else
-      export_symbols_cmds_CXX='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B")) && (substr(\$ 3,1,1) != ".")) { print \$ 3 } }'\'' | sort -u > $export_symbols'
+      export_symbols_cmds_CXX='`func_echo_all $NM | $SED -e '\''s/B\([^B]*\)$/P\1/'\''` -PCpgl $libobjs $convenience | awk '\''{ if (((\$ 2 == "T") || (\$ 2 == "D") || (\$ 2 == "B") || (\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) && (substr(\$ 1,1,1) != ".")) { if ((\$ 2 == "W") || (\$ 2 == "V") || (\$ 2 == "Z")) { print \$ 1 " weak" } else { print \$ 1 } } }'\'' | sort -u > $export_symbols'
     fi
     ;;
   pw32*)
@@ -15754,6 +17042,9 @@ $as_echo_n "checking whether the $compiler linker ($LD) supports shared librarie
       ;;
     esac
     ;;
+  linux* | k*bsd*-gnu | gnu*)
+    link_all_deplibs_CXX=no
+    ;;
   *)
     export_symbols_cmds_CXX='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
     ;;
@@ -15923,6 +17214,8 @@ hardcode_into_libs=no
 # flags to be left without arguments
 need_version=unknown
 
+
+
 case $host_os in
 aix3*)
   version_type=linux # correct to gnu/linux during the next big refactor
@@ -15959,20 +17252,70 @@ aix[4-9]*)
       fi
       ;;
     esac
+    # Using Import Files as archive members, it is possible to support
+    # filename-based versioning of shared library archives on AIX. While
+    # this would work for both with and without runtime linking, it will
+    # prevent static linking of such archives. So we do filename-based
+    # shared library versioning with .so extension only, which is used
+    # when both runtime linking and shared linking is enabled.
+    # Unfortunately, runtime linking may impact performance, so we do
+    # not want this to be the default eventually. Also, we use the
+    # versioned .so libs for executables only if there is the -brtl
+    # linker flag in LDFLAGS as well, or --with-aix-soname=svr4 only.
+    # To allow for filename-based versioning support, we need to create
+    # libNAME.so.V as an archive file, containing:
+    # *) an Import File, referring to the versioned filename of the
+    #    archive as well as the shared archive member, telling the
+    #    bitwidth (32 or 64) of that shared object, and providing the
+    #    list of exported symbols of that shared object, eventually
+    #    decorated with the 'weak' keyword
+    # *) the shared object with the F_LOADONLY flag set, to really avoid
+    #    it being seen by the linker.
+    # At run time we better use the real file rather than another symlink,
+    # but for link time we create the symlink libNAME.so -> libNAME.so.V
+
+    case $with_aix_soname,$aix_use_runtimelinking in
     # AIX (on Power*) has no versioning support, so currently we cannot hardcode correct
     # soname into executable. Probably we can add versioning support to
     # collect2, so additional links can be useful in future.
-    if test yes = "$aix_use_runtimelinking"; then
+    aix,yes) # traditional libtool
+      dynamic_linker='AIX unversionable lib.so'
       # If using run time linking (on AIX 4.2 or later) use lib<name>.so
       # instead of lib<name>.a to let people know that these are not
       # typical AIX shared libraries.
       library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
-    else
+      ;;
+    aix,no) # traditional AIX only
+      dynamic_linker='AIX lib.a(lib.so.V)'
       # We preserve .a as extension for shared libraries through AIX4.2
       # and later when we are not doing run time linking.
       library_names_spec='$libname$release.a $libname.a'
       soname_spec='$libname$release$shared_ext$major'
-    fi
+      ;;
+    svr4,*) # full svr4 only
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,yes) # both, prefer svr4
+      dynamic_linker="AIX lib.so.V($shared_archive_member_spec.o), lib.a(lib.so.V)"
+      library_names_spec='$libname$release$shared_ext$major $libname$shared_ext'
+      # unpreferred sharedlib libNAME.a needs extra handling
+      postinstall_cmds='test -n "$linkname" || linkname="$realname"~func_stripname "" ".so" "$linkname"~$install_shared_prog "$dir/$func_stripname_result.$libext" "$destdir/$func_stripname_result.$libext"~test -z "$tstripme" || test -z "$striplib" || $striplib "$destdir/$func_stripname_result.$libext"'
+      postuninstall_cmds='for n in $library_names $old_library; do :; done~func_stripname "" ".so" "$n"~test "$func_stripname_result" = "$n" || func_append rmfiles " $odir/$func_stripname_result.$libext"'
+      # We do not specify a path in Import Files, so LIBPATH fires.
+      shlibpath_overrides_runpath=yes
+      ;;
+    *,no) # both, prefer aix
+      dynamic_linker="AIX lib.a(lib.so.V), lib.so.V($shared_archive_member_spec.o)"
+      library_names_spec='$libname$release.a $libname.a'
+      soname_spec='$libname$release$shared_ext$major'
+      # unpreferred sharedlib libNAME.so.V and symlink libNAME.so need extra handling
+      postinstall_cmds='test -z "$dlname" || $install_shared_prog $dir/$dlname $destdir/$dlname~test -z "$tstripme" || test -z "$striplib" || $striplib $destdir/$dlname~test -n "$linkname" || linkname=$realname~func_stripname "" ".a" "$linkname"~(cd "$destdir" && $LN_S -f $dlname $func_stripname_result.so)'
+      postuninstall_cmds='test -z "$dlname" || func_append rmfiles " $odir/$dlname"~for n in $old_library $library_names; do :; done~func_stripname "" ".a" "$n"~func_append rmfiles " $odir/$func_stripname_result.so"'
+      ;;
+    esac
     shlibpath_var=LIBPATH
   fi
   ;;
@@ -16158,7 +17501,8 @@ freebsd* | dragonfly*)
   version_type=freebsd-$objformat
   case $version_type in
     freebsd-elf*)
-      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
+      library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext$major $libname$shared_ext'
+      soname_spec='$libname$release$shared_ext$major'
       need_version=no
       need_lib_prefix=no
       ;;
@@ -16218,10 +17562,11 @@ hpux9* | hpux10* | hpux11*)
     soname_spec='$libname$release$shared_ext$major'
     if test 32 = "$HPUX_IA64_MODE"; then
       sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux32
     else
       sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
+      sys_lib_dlsearch_path_spec=/usr/lib/hpux64
     fi
-    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
     ;;
   hppa*64*)
     shrext_cmds='.sl'
   # before this can be enabled.
   hardcode_into_libs=yes
 
-  # Append ld.so.conf contents to the search path
+  # Ideally, we could use ldconfig to report *all* directores which are
+  # searched for libraries, however this is still not possible.  Aside from not
+  # being certain /sbin/ldconfig is available, command
+  # 'ldconfig -N -X -v | grep ^/' on 64bit Fedora does not report /usr/lib64,
+  # even though it is searched at run-time.  Try to do the best guess by
+  # appending ld.so.conf contents (and includes) to the search path.
   if test -f /etc/ld.so.conf; then
     lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[      ]*hwcap[        ]/d;s/[:,      ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
     sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
   dynamic_linker='GNU/Linux ld.so'
   ;;
 
-netbsd*)
-  version_type=sunos
+netbsdelf*-gnu)
+  version_type=linux
   need_lib_prefix=no
   need_version=no
-  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
-    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
+  library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major ${libname}${shared_ext}'
+  soname_spec='${libname}${release}${shared_ext}$major'
+  shlibpath_var=LD_LIBRARY_PATH
+  shlibpath_overrides_runpath=no
+  hardcode_into_libs=yes
+  dynamic_linker='NetBSD ld.elf_so'
+  ;;
+
+netbsd*)
+  version_type=sunos
+  need_lib_prefix=no
+  need_version=no
+  if echo __ELF__ | $CC -E - | $GREP __ELF__ >/dev/null; then
+    library_names_spec='$libname$release$shared_ext$versuffix $libname$shared_ext$versuffix'
     finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
     dynamic_linker='NetBSD (a.out) ld.so'
   else
@@ -16442,11 +17804,32 @@ openbsd* | bitrig*)
 
 os2*)
   libname_spec='$name'
+  version_type=windows
   shrext_cmds=.dll
+  need_version=no
   need_lib_prefix=no
-  library_names_spec='$libname$shared_ext $libname.a'
+  # OS/2 can only load a DLL with a base name of 8 characters or less.
+  soname_spec='`test -n "$os2dllname" && libname="$os2dllname";
+    v=$($ECHO $release$versuffix | tr -d .-);
+    n=$($ECHO $libname | cut -b -$((8 - ${#v})) | tr . _);
+    $ECHO $n$v`$shared_ext'
+  library_names_spec='${libname}_dll.$libext'
   dynamic_linker='OS/2 ld.exe'
-  shlibpath_var=LIBPATH
+  shlibpath_var=BEGINLIBPATH
+  sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
+  sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
+  postinstall_cmds='base_file=`basename \$file`~
+    dlpath=`$SHELL 2>&1 -c '\''. $dir/'\''\$base_file'\''i; $ECHO \$dlname'\''`~
+    dldir=$destdir/`dirname \$dlpath`~
+    test -d \$dldir || mkdir -p \$dldir~
+    $install_prog $dir/$dlname \$dldir/$dlname~
+    chmod a+x \$dldir/$dlname~
+    if test -n '\''$stripme'\'' && test -n '\''$striplib'\''; then
+      eval '\''$striplib \$dldir/$dlname'\'' || exit \$?;
+    fi'
+  postuninstall_cmds='dldll=`$SHELL 2>&1 -c '\''. $file; $ECHO \$dlname'\''`~
+    dlpath=$dir/\$dldll~
+    $RM \$dlpath'
   ;;
 
 osf3* | osf4* | osf5*)
@@ -16522,7 +17905,7 @@ sysv4*MP*)
   ;;
 
 sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
-  version_type=freebsd-elf
+  version_type=sco
   need_lib_prefix=no
   need_version=no
   library_names_spec='$libname$release$shared_ext$versuffix $libname$release$shared_ext $libname$shared_ext'
 if test set = "${lt_cv_sys_lib_search_path_spec+set}"; then
   sys_lib_search_path_spec=$lt_cv_sys_lib_search_path_spec
 fi
+
 if test set = "${lt_cv_sys_lib_dlsearch_path_spec+set}"; then
   sys_lib_dlsearch_path_spec=$lt_cv_sys_lib_dlsearch_path_spec
 fi
 
+# remember unaugmented sys_lib_dlsearch_path content for libtool script decls...
+configure_time_dlsearch_path=$sys_lib_dlsearch_path_spec
+
+# ... but it needs LT_SYS_LIBRARY_PATH munging for other configure-time code
+func_munge_path_list sys_lib_dlsearch_path_spec "$LT_SYS_LIBRARY_PATH"
+
+# to be used as default LT_SYS_LIBRARY_PATH value in generated libtool
+configure_time_lt_sys_library_path=$LT_SYS_LIBRARY_PATH
+
+
+
 
 
 
@@ -16683,6 +18078,211 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
+# Check whether --enable-largefile was given.
+if test "${enable_largefile+set}" = set; then :
+  enableval=$enable_largefile;
+fi
+
+if test "$enable_largefile" != no; then
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
+$as_echo_n "checking for special C compiler options needed for large files... " >&6; }
+if ${ac_cv_sys_largefile_CC+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_sys_largefile_CC=no
+     if test "$GCC" != yes; then
+       ac_save_CC=$CC
+       while :; do
+        # IRIX 6.2 and later do not support large files by default,
+        # so use the C compiler's -n32 option if that helps.
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+                      && LARGE_OFF_T % 2147483647 == 1)
+                     ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+        if ac_fn_c_try_compile "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext
+        CC="$CC -n32"
+        if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_largefile_CC=' -n32'; break
+fi
+rm -f core conftest.err conftest.$ac_objext
+        break
+       done
+       CC=$ac_save_CC
+       rm -f conftest.$ac_ext
+    fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
+$as_echo "$ac_cv_sys_largefile_CC" >&6; }
+  if test "$ac_cv_sys_largefile_CC" != no; then
+    CC=$CC$ac_cv_sys_largefile_CC
+  fi
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
+if ${ac_cv_sys_file_offset_bits+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+                      && LARGE_OFF_T % 2147483647 == 1)
+                     ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _FILE_OFFSET_BITS 64
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+                      && LARGE_OFF_T % 2147483647 == 1)
+                     ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_file_offset_bits=64; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_file_offset_bits=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
+$as_echo "$ac_cv_sys_file_offset_bits" >&6; }
+case $ac_cv_sys_file_offset_bits in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  if test $ac_cv_sys_file_offset_bits = unknown; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
+$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
+if ${ac_cv_sys_large_files+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  while :; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+                      && LARGE_OFF_T % 2147483647 == 1)
+                     ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=no; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#define _LARGE_FILES 1
+#include <sys/types.h>
+ /* Check that off_t can represent 2**63 - 1 correctly.
+    We can't simply define LARGE_OFF_T to be 9223372036854775807,
+    since some C++ compilers masquerading as C compilers
+    incorrectly reject 9223372036854775807.  */
+#define LARGE_OFF_T ((((off_t) 1 << 31) << 31) - 1 + (((off_t) 1 << 31) << 31))
+  int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721
+                      && LARGE_OFF_T % 2147483647 == 1)
+                     ? 1 : -1];
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_sys_large_files=1; break
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_cv_sys_large_files=unknown
+  break
+done
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
+$as_echo "$ac_cv_sys_large_files" >&6; }
+case $ac_cv_sys_large_files in #(
+  no | unknown) ;;
+  *)
+cat >>confdefs.h <<_ACEOF
+#define _LARGE_FILES $ac_cv_sys_large_files
+_ACEOF
+;;
+esac
+rm -rf conftest*
+  fi
+
+
+fi
+
+
+
+
+
+
 
 
 if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then
@@ -16797,7 +18397,6 @@ $as_echo "yes" >&6; }
 $as_echo "no" >&6; }
                PKG_CONFIG=""
        fi
-
 fi
 
 RAGEL=${RAGEL-"${am_missing_run}ragel"}
@@ -16811,10 +18410,10 @@ GIT=${GIT-"${am_missing_run}git"}
 
 
 
-HB_VERSION_MAJOR=0
-HB_VERSION_MINOR=9
-HB_VERSION_MICRO=40
-HB_VERSION=0.9.40
+HB_VERSION_MAJOR=2
+HB_VERSION_MINOR=3
+HB_VERSION_MICRO=1
+HB_VERSION=2.3.1
 
 
 
@@ -16825,7 +18424,24 @@ HB_VERSION=0.9.40
 
 
 
-HB_LIBTOOL_VERSION_INFO=940:0:940
+HB_LIBTOOL_VERSION_INFO=20301:0:20301
+
+
+
+# Check whether --with-libstdc++ was given.
+if test "${with_libstdc__+set}" = set; then :
+  withval=$with_libstdc__; with_libstdcxx=$withval
+else
+  with_libstdcxx=no
+fi
+
+ if test "x$with_libstdcxx" = "xyes"; then
+  WITH_LIBSTDCXX_TRUE=
+  WITH_LIBSTDCXX_FALSE='#'
+else
+  WITH_LIBSTDCXX_TRUE='#'
+  WITH_LIBSTDCXX_FALSE=
+fi
 
 
 # Documentation
@@ -17060,46 +18676,46 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GTKDOC_DEPS" >&5
 $as_echo_n "checking for GTKDOC_DEPS... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GTKDOC_DEPS_CFLAGS"; then
-        pkg_cv_GTKDOC_DEPS_CFLAGS="$GTKDOC_DEPS_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$GTKDOC_DEPS_CFLAGS"; then
+    pkg_cv_GTKDOC_DEPS_CFLAGS="$GTKDOC_DEPS_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GTKDOC_DEPS_CFLAGS=`$PKG_CONFIG --cflags "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GTKDOC_DEPS_LIBS"; then
-        pkg_cv_GTKDOC_DEPS_LIBS="$GTKDOC_DEPS_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$GTKDOC_DEPS_LIBS"; then
+    pkg_cv_GTKDOC_DEPS_LIBS="$GTKDOC_DEPS_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GTKDOC_DEPS_LIBS=`$PKG_CONFIG --libs "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -17107,24 +18723,24 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0"`
+               GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0" 2>&1`
         else
-               GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0"`
+               GTKDOC_DEPS_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "glib-2.0 >= 2.10.0 gobject-2.0  >= 2.10.0" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$GTKDOC_DEPS_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        GTKDOC_DEPS_CFLAGS=$pkg_cv_GTKDOC_DEPS_CFLAGS
        GTKDOC_DEPS_LIBS=$pkg_cv_GTKDOC_DEPS_LIBS
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-       :
+
 fi
   fi
 
@@ -17207,7 +18823,7 @@ fi
 
 
 # Functions and headers
-for ac_func in atexit mprotect sysconf getpagesize mmap isatty
+for ac_func in atexit mprotect sysconf getpagesize mmap isatty newlocale strtod_l posix_memalign
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -17219,7 +18835,36 @@ _ACEOF
 fi
 done
 
-for ac_header in unistd.h sys/mman.h
+
+save_libs="$LIBS"
+LIBS="$LIBS -lm"
+for ac_func in round
+do :
+  ac_fn_c_check_func "$LINENO" "round" "ac_cv_func_round"
+if test "x$ac_cv_func_round" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_ROUND 1
+_ACEOF
+
+else
+  ac_fn_c_check_decl "$LINENO" "round" "ac_cv_have_decl_round" "#include <math.h>
+"
+if test "x$ac_cv_have_decl_round" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_ROUND $ac_have_decl
+_ACEOF
+
+fi
+done
+
+LIBS="$save_libs"
+
+for ac_header in unistd.h sys/mman.h xlocale.h stdbool.h
 do :
   as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
 ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
@@ -17273,13 +18918,50 @@ _ACEOF
 if test "x$GCC" = "xyes"; then
 
        # Make symbols link locally
-       LDFLAGS="$LDFLAGS -Bsymbolic-functions"
+       { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker accepts -Bsymbolic-functions" >&5
+$as_echo_n "checking whether the linker accepts -Bsymbolic-functions... " >&6; }
+if ${ax_cv_check_ldflags___Bsymbolic_functions+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
 
-       # Make sure we don't link to libstdc++
-       CXXFLAGS="$CXXFLAGS -fno-rtti -fno-exceptions"
+  ax_check_save_flags=$LDFLAGS
+  LDFLAGS="$LDFLAGS  -Bsymbolic-functions"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-       # Assorted warnings
-       CXXFLAGS="$CXXFLAGS -Wcast-align"
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ax_cv_check_ldflags___Bsymbolic_functions=yes
+else
+  ax_cv_check_ldflags___Bsymbolic_functions=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+  LDFLAGS=$ax_check_save_flags
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_ldflags___Bsymbolic_functions" >&5
+$as_echo "$ax_cv_check_ldflags___Bsymbolic_functions" >&6; }
+if test "x$ax_cv_check_ldflags___Bsymbolic_functions" = xyes; then :
+  LDFLAGS="$LDFLAGS -Bsymbolic-functions"
+else
+  :
+fi
+
+
+       # Make it possible to not link to libstdc++
+       # No threadsafe statics in C++ as we do it ourselves.
+       # We don't use these features, so it's safe to disable them
+       # even in the cases where we DO link to libstdc++.
+       # Put -fno-rtti before $CXXFLAGS such that users can re-enable it
+       # by overriding CXXFLAGS.
+       CXXFLAGS="-fno-rtti $CXXFLAGS -fno-exceptions -fno-threadsafe-statics"
 
        case "$host" in
                *-*-mingw*)
@@ -17332,6 +19014,8 @@ have_pthread=false
 if test "$hb_os_win32" = no; then
 
 
+
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -17341,19 +19025,23 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 ax_pthread_ok=no
 
 # We used to check for pthread.h first, but this fails if pthread.h
-# requires special compiler flags (e.g. on True64 or Sequent).
+# requires special compiler flags (e.g. on Tru64 or Sequent).
 # It gets checked for in the link test anyway.
 
 # First of all, check if the user has set any of the PTHREAD_LIBS,
 # etcetera environment variables, and if threads linking works using
 # them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
-        save_CFLAGS="$CFLAGS"
+if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
+        ax_pthread_save_CC="$CC"
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
+        if test "x$PTHREAD_CC" != "x"; then :
+  CC="$PTHREAD_CC"
+fi
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-        save_LIBS="$LIBS"
         LIBS="$PTHREAD_LIBS $LIBS"
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS" >&5
-$as_echo_n "checking for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS... " >&6; }
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS" >&5
+$as_echo_n "checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS... " >&6; }
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -17379,12 +19067,13 @@ rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5
 $as_echo "$ax_pthread_ok" >&6; }
-        if test x"$ax_pthread_ok" = xno; then
+        if test "x$ax_pthread_ok" = "xno"; then
                 PTHREAD_LIBS=""
                 PTHREAD_CFLAGS=""
         fi
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CC="$ax_pthread_save_CC"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 fi
 
 # We must check for the threads library under a number of different
@@ -17397,7 +19086,7 @@ fi
 # which indicates that we try without any flags at all, and "pthread-config"
 # which is a program returning the flags for the Pth emulation library.
 
-ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
+ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
 
 # The ordering *is* (sometimes) important.  Some notes on the
 # individual items follow:
@@ -17406,51 +19095,257 @@ ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt
 # none: in case threads are in libc; should be tried before -Kthread and
 #       other compiler flags to prevent continual compiler warnings
 # -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
-# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
-# -pthreads: Solaris/gcc
-# -mthreads: Mingw32/gcc, Lynx/gcc
+# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
+#           (Note: HP C rejects this with "bad form for `-t' option")
+# -pthreads: Solaris/gcc (Note: HP C also rejects)
 # -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
-#      doesn't hurt to check since this sometimes defines pthreads too;
-#      also defines -D_REENTRANT)
-#      ... -mt is also the pthreads flag for HP/aCC
+#      doesn't hurt to check since this sometimes defines pthreads and
+#      -D_REENTRANT too), HP C (must be checked before -lpthread, which
+#      is present but should not be used directly; and before -mthreads,
+#      because the compiler interprets this as "-mt" + "-hreads")
+# -mthreads: Mingw32/gcc, Lynx/gcc
 # pthread: Linux, etcetera
 # --thread-safe: KAI C++
 # pthread-config: use pthread-config program (for GNU Pth library)
 
-case ${host_os} in
+case $host_os in
+
+        freebsd*)
+
+        # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+        # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+
+        ax_pthread_flags="-kthread lthread $ax_pthread_flags"
+        ;;
+
+        hpux*)
+
+        # From the cc(1) man page: "[-mt] Sets various -D flags to enable
+        # multi-threading and also sets -lpthread."
+
+        ax_pthread_flags="-mt -pthread pthread $ax_pthread_flags"
+        ;;
+
+        openedition*)
+
+        # IBM z/OS requires a feature-test macro to be defined in order to
+        # enable POSIX threads at all, so give the user a hint if this is
+        # not set. (We don't define these ourselves, as they can affect
+        # other portions of the system API in unpredictable ways.)
+
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#            if !defined(_OPEN_THREADS) && !defined(_UNIX03_THREADS)
+             AX_PTHREAD_ZOS_MISSING
+#            endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "AX_PTHREAD_ZOS_MISSING" >/dev/null 2>&1; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&5
+$as_echo "$as_me: WARNING: IBM z/OS requires -D_OPEN_THREADS or -D_UNIX03_THREADS to enable pthreads support." >&2;}
+fi
+rm -f conftest*
+
+        ;;
+
         solaris*)
 
         # On Solaris (at least, for some versions), libc contains stubbed
         # (non-functional) versions of the pthreads routines, so link-based
-        # tests will erroneously succeed.  (We need to link with -pthreads/-mt/
-        # -lpthread.)  (The stubs are missing pthread_cleanup_push, or rather
-        # a function called by this macro, so we could check for that, but
-        # who knows whether they'll stub that too in a future libc.)  So,
-        # we'll just look for -pthreads and -lpthread first:
+        # tests will erroneously succeed. (N.B.: The stubs are missing
+        # pthread_cleanup_push, or rather a function called by this macro,
+        # so we could check for that, but who knows whether they'll stub
+        # that too in a future libc.)  So we'll check first for the
+        # standard Solaris way of linking pthreads (-mt -lpthread).
 
-        ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags"
+        ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
         ;;
+esac
 
-        darwin*)
-        ax_pthread_flags="-pthread $ax_pthread_flags"
+# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
+
+if test "x$GCC" = "xyes"; then :
+  ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"
+fi
+
+# The presence of a feature test macro requesting re-entrant function
+# definitions is, on some systems, a strong hint that pthreads support is
+# correctly enabled
+
+case $host_os in
+        darwin* | hpux* | linux* | osf* | solaris*)
+        ax_pthread_check_macro="_REENTRANT"
+        ;;
+
+        aix*)
+        ax_pthread_check_macro="_THREAD_SAFE"
+        ;;
+
+        *)
+        ax_pthread_check_macro="--"
         ;;
 esac
+if test "x$ax_pthread_check_macro" = "x--"; then :
+  ax_pthread_check_cond=0
+else
+  ax_pthread_check_cond="!defined($ax_pthread_check_macro)"
+fi
+
+# Are we compiling with Clang?
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC is Clang" >&5
+$as_echo_n "checking whether $CC is Clang... " >&6; }
+if ${ax_cv_PTHREAD_CLANG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ax_cv_PTHREAD_CLANG=no
+     # Note that Autoconf sets GCC=yes for Clang as well as GCC
+     if test "x$GCC" = "xyes"; then
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+#            if defined(__clang__) && defined(__llvm__)
+             AX_PTHREAD_CC_IS_CLANG
+#            endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then :
+  ax_cv_PTHREAD_CLANG=yes
+fi
+rm -f conftest*
+
+     fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG" >&5
+$as_echo "$ax_cv_PTHREAD_CLANG" >&6; }
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+ax_pthread_clang_warning=no
+
+# Clang needs special handling, because older versions handle the -pthread
+# option in a rather... idiosyncratic way
+
+if test "x$ax_pthread_clang" = "xyes"; then
+
+        # Clang takes -pthread; it has never supported any other flag
+
+        # (Note 1: This will need to be revisited if a system that Clang
+        # supports has POSIX threads in a separate library.  This tends not
+        # to be the way of modern systems, but it's conceivable.)
+
+        # (Note 2: On some systems, notably Darwin, -pthread is not needed
+        # to get POSIX threads support; the API is always present and
+        # active.  We could reasonably leave PTHREAD_CFLAGS empty.  But
+        # -pthread does define _REENTRANT, and while the Darwin headers
+        # ignore this macro, third-party headers might not.)
+
+        PTHREAD_CFLAGS="-pthread"
+        PTHREAD_LIBS=
+
+        ax_pthread_ok=yes
+
+        # However, older versions of Clang make a point of warning the user
+        # that, in an invocation where only linking and no compilation is
+        # taking place, the -pthread option has no effect ("argument unused
+        # during compilation").  They expect -pthread to be passed in only
+        # when source code is being compiled.
+        #
+        # Problem is, this is at odds with the way Automake and most other
+        # C build frameworks function, which is that the same flags used in
+        # compilation (CFLAGS) are also used in linking.  Many systems
+        # supported by AX_PTHREAD require exactly this for POSIX threads
+        # support, and in fact it is often not straightforward to specify a
+        # flag that is used only in the compilation phase and not in
+        # linking.  Such a scenario is extremely rare in practice.
+        #
+        # Even though use of the -pthread flag in linking would only print
+        # a warning, this can be a nuisance for well-run software projects
+        # that build with -Werror.  So if the active version of Clang has
+        # this misfeature, we search for an option to squash it.
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5
+$as_echo_n "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; }
+if ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
+             # Create an alternate version of $ac_link that compiles and
+             # links in two steps (.c -> .o, .o -> exe) instead of one
+             # (.c -> exe), because the warning occurs only in the second
+             # step
+             ax_pthread_save_ac_link="$ac_link"
+             ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
+             ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+             ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
+             ax_pthread_save_CFLAGS="$CFLAGS"
+             for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
+                if test "x$ax_pthread_try" = "xunknown"; then :
+  break
+fi
+                CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
+                ac_link="$ax_pthread_save_ac_link"
+                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_link="$ax_pthread_2step_ac_link"
+                     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  break
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 
-if test x"$ax_pthread_ok" = xno; then
-for flag in $ax_pthread_flags; do
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+             done
+             ac_link="$ax_pthread_save_ac_link"
+             CFLAGS="$ax_pthread_save_CFLAGS"
+             if test "x$ax_pthread_try" = "x"; then :
+  ax_pthread_try=no
+fi
+             ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
 
-        case $flag in
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5
+$as_echo "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; }
+
+        case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
+                no | unknown) ;;
+                *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+        esac
+
+fi # $ax_pthread_clang = yes
+
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
+
+        case $ax_pthread_try_flag in
                 none)
                 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5
 $as_echo_n "checking whether pthreads work without any flags... " >&6; }
                 ;;
 
+                -mt,pthread)
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with -mt -lpthread" >&5
+$as_echo_n "checking whether pthreads work with -mt -lpthread... " >&6; }
+                PTHREAD_CFLAGS="-mt"
+                PTHREAD_LIBS="-lpthread"
+                ;;
+
                 -*)
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5
-$as_echo_n "checking whether pthreads work with $flag... " >&6; }
-                PTHREAD_CFLAGS="$flag"
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $ax_pthread_try_flag" >&5
+$as_echo_n "checking whether pthreads work with $ax_pthread_try_flag... " >&6; }
+                PTHREAD_CFLAGS="$ax_pthread_try_flag"
                 ;;
 
                 pthread-config)
@@ -17492,22 +19387,24 @@ $as_echo "no" >&6; }
 fi
 
 
-                if test x"$ax_pthread_config" = xno; then continue; fi
+                if test "x$ax_pthread_config" = "xno"; then :
+  continue
+fi
                 PTHREAD_CFLAGS="`pthread-config --cflags`"
                 PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
                 ;;
 
                 *)
-                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5
-$as_echo_n "checking for the pthreads library -l$flag... " >&6; }
-                PTHREAD_LIBS="-l$flag"
+                { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$ax_pthread_try_flag" >&5
+$as_echo_n "checking for the pthreads library -l$ax_pthread_try_flag... " >&6; }
+                PTHREAD_LIBS="-l$ax_pthread_try_flag"
                 ;;
         esac
 
-        save_LIBS="$LIBS"
-        save_CFLAGS="$CFLAGS"
-        LIBS="$PTHREAD_LIBS $LIBS"
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
 
         # Check for various functions.  We must include pthread.h,
         # since some functions may be macros.  (On the Sequent, we
@@ -17518,9 +19415,13 @@ $as_echo_n "checking for the pthreads library -l$flag... " >&6; }
         # pthread_cleanup_push because it is one of the few pthread
         # functions on Solaris that doesn't have a non-functional libc stub.
         # We try pthread_create on general principles.
+
         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <pthread.h>
+#                       if $ax_pthread_check_cond
+#                        error "$ax_pthread_check_macro must be defined"
+#                       endif
                         static void routine(void *a) { a = 0; }
                         static void *start_routine(void *a) { return a; }
 int
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
 
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5
 $as_echo "$ax_pthread_ok" >&6; }
-        if test "x$ax_pthread_ok" = xyes; then
-                break;
-        fi
+        if test "x$ax_pthread_ok" = "xyes"; then :
+  break
+fi
 
         PTHREAD_LIBS=""
         PTHREAD_CFLAGS=""
@@ -17557,74 +19458,82 @@ done
 fi
 
 # Various other checks:
-if test "x$ax_pthread_ok" = xyes; then
-        save_LIBS="$LIBS"
-        LIBS="$PTHREAD_LIBS $LIBS"
-        save_CFLAGS="$CFLAGS"
+if test "x$ax_pthread_ok" = "xyes"; then
+        ax_pthread_save_CFLAGS="$CFLAGS"
+        ax_pthread_save_LIBS="$LIBS"
         CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+        LIBS="$PTHREAD_LIBS $LIBS"
 
         # Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5
 $as_echo_n "checking for joinable pthread attribute... " >&6; }
-        attr_name=unknown
-        for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
-            cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+if ${ax_cv_PTHREAD_JOINABLE_ATTR+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ax_cv_PTHREAD_JOINABLE_ATTR=unknown
+             for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+                 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <pthread.h>
 int
 main ()
 {
-int attr = $attr; return attr /* ; */
+int attr = $ax_pthread_attr; return attr /* ; */
   ;
   return 0;
 }
 _ACEOF
 if ac_fn_c_try_link "$LINENO"; then :
-  attr_name=$attr; break
+  ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break
 fi
 rm -f core conftest.err conftest.$ac_objext \
     conftest$ac_exeext conftest.$ac_ext
-        done
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5
-$as_echo "$attr_name" >&6; }
-        if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then
+             done
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_JOINABLE_ATTR" >&5
+$as_echo "$ax_cv_PTHREAD_JOINABLE_ATTR" >&6; }
+        if test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
+               test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
+               test "x$ax_pthread_joinable_attr_defined" != "xyes"; then :
 
 cat >>confdefs.h <<_ACEOF
-#define PTHREAD_CREATE_JOINABLE $attr_name
+#define PTHREAD_CREATE_JOINABLE $ax_cv_PTHREAD_JOINABLE_ATTR
 _ACEOF
 
-        fi
+               ax_pthread_joinable_attr_defined=yes
 
-        { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5
-$as_echo_n "checking if more special flags are required for pthreads... " >&6; }
-        flag=no
-        case ${host_os} in
-            aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";;
-            osf* | hpux*) flag="-D_REENTRANT";;
-            solaris*)
-            if test "$GCC" = "yes"; then
-                flag="-D_REENTRANT"
-            else
-                flag="-mt -D_REENTRANT"
-            fi
-            ;;
-        esac
-        { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5
-$as_echo "${flag}" >&6; }
-        if test "x$flag" != xno; then
-            PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
-        fi
+fi
+
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether more special flags are required for pthreads" >&5
+$as_echo_n "checking whether more special flags are required for pthreads... " >&6; }
+if ${ax_cv_PTHREAD_SPECIAL_FLAGS+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ax_cv_PTHREAD_SPECIAL_FLAGS=no
+             case $host_os in
+             solaris*)
+             ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
+             ;;
+             esac
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_SPECIAL_FLAGS" >&5
+$as_echo "$ax_cv_PTHREAD_SPECIAL_FLAGS" >&6; }
+        if test "x$ax_cv_PTHREAD_SPECIAL_FLAGS" != "xno" && \
+               test "x$ax_pthread_special_flags_added" != "xyes"; then :
+  PTHREAD_CFLAGS="$ax_cv_PTHREAD_SPECIAL_FLAGS $PTHREAD_CFLAGS"
+               ax_pthread_special_flags_added=yes
+fi
 
         { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_PRIO_INHERIT" >&5
 $as_echo_n "checking for PTHREAD_PRIO_INHERIT... " >&6; }
 if ${ax_cv_PTHREAD_PRIO_INHERIT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-
-                cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
-
-                    #include <pthread.h>
+#include <pthread.h>
 int
 main ()
 {
@@ -17644,18 +19553,32 @@ rm -f core conftest.err conftest.$ac_objext \
 fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5
 $as_echo "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; }
-        if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"; then :
+        if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
+               test "x$ax_pthread_prio_inherit_defined" != "xyes"; then :
 
 $as_echo "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h
 
+               ax_pthread_prio_inherit_defined=yes
+
 fi
 
-        LIBS="$save_LIBS"
-        CFLAGS="$save_CFLAGS"
+        CFLAGS="$ax_pthread_save_CFLAGS"
+        LIBS="$ax_pthread_save_LIBS"
 
-        # More AIX lossage: must compile with xlc_r or cc_r
-        if test x"$GCC" != xyes; then
-          for ac_prog in xlc_r cc_r
+        # More AIX lossage: compile with *_r variant
+        if test "x$GCC" != "xyes"; then
+            case $host_os in
+                aix*)
+                case "x/$CC" in #(
+  x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6) :
+    #handle absolute path differently from PATH based program lookup
+                     case "x$CC" in #(
+  x/*) :
+    if as_fn_executable_p ${CC}_r; then :
+  PTHREAD_CC="${CC}_r"
+fi ;; #(
+  *) :
+    for ac_prog in ${CC}_r
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 
   test -n "$PTHREAD_CC" && break
 done
-test -n "$PTHREAD_CC" || PTHREAD_CC="${CC}"
-
-        else
-          PTHREAD_CC=$CC
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+ ;;
+esac ;; #(
+  *) :
+     ;;
+esac
+                ;;
+            esac
         fi
-else
-        PTHREAD_CC="$CC"
 fi
 
+test -n "$PTHREAD_CC" || PTHREAD_CC="$CC"
+
 
 
 
 
 # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$ax_pthread_ok" = xyes; then
+if test "x$ax_pthread_ok" = "xyes"; then
         have_pthread=true
         :
 else
 
 
 
-have_ot=true
-if $have_ot; then
-
-$as_echo "#define HAVE_OT 1" >>confdefs.h
-
-fi
- if $have_ot; then
-  HAVE_OT_TRUE=
-  HAVE_OT_FALSE='#'
-else
-  HAVE_OT_TRUE='#'
-  HAVE_OT_FALSE=
-fi
-
-
 have_fallback=true
 if $have_fallback; then
 
@@ -17780,52 +19692,54 @@ else
 fi
 
 have_glib=false
+GLIB_DEPS="glib-2.0 >= 2.19.1"
+
 if test "x$with_glib" = "xyes" -o "x$with_glib" = "xauto"; then
 
 pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLIB" >&5
 $as_echo_n "checking for GLIB... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GLIB_CFLAGS"; then
-        pkg_cv_GLIB_CFLAGS="$GLIB_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.16\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.16") 2>&5
+if test -n "$GLIB_CFLAGS"; then
+    pkg_cv_GLIB_CFLAGS="$GLIB_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$GLIB_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$GLIB_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_GLIB_CFLAGS=`$PKG_CONFIG --cflags "glib-2.0 >= 2.16" 2>/dev/null`
+  pkg_cv_GLIB_CFLAGS=`$PKG_CONFIG --cflags "$GLIB_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GLIB_LIBS"; then
-        pkg_cv_GLIB_LIBS="$GLIB_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"glib-2.0 >= 2.16\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "glib-2.0 >= 2.16") 2>&5
+if test -n "$GLIB_LIBS"; then
+    pkg_cv_GLIB_LIBS="$GLIB_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$GLIB_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$GLIB_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_GLIB_LIBS=`$PKG_CONFIG --libs "glib-2.0 >= 2.16" 2>/dev/null`
+  pkg_cv_GLIB_LIBS=`$PKG_CONFIG --libs "$GLIB_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -17833,17 +19747,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               GLIB_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "glib-2.0 >= 2.16"`
+               GLIB_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$GLIB_DEPS" 2>&1`
         else
-               GLIB_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "glib-2.0 >= 2.16"`
+               GLIB_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$GLIB_DEPS" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$GLIB_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        GLIB_CFLAGS=$pkg_cv_GLIB_CFLAGS
@@ -17886,46 +19800,46 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GOBJECT" >&5
 $as_echo_n "checking for GOBJECT... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GOBJECT_CFLAGS"; then
-        pkg_cv_GOBJECT_CFLAGS="$GOBJECT_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$GOBJECT_CFLAGS"; then
+    pkg_cv_GOBJECT_CFLAGS="$GOBJECT_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gobject-2.0 glib-2.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "gobject-2.0 glib-2.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GOBJECT_CFLAGS=`$PKG_CONFIG --cflags "gobject-2.0 glib-2.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GOBJECT_LIBS"; then
-        pkg_cv_GOBJECT_LIBS="$GOBJECT_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$GOBJECT_LIBS"; then
+    pkg_cv_GOBJECT_LIBS="$GOBJECT_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"gobject-2.0 glib-2.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "gobject-2.0 glib-2.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_GOBJECT_LIBS=`$PKG_CONFIG --libs "gobject-2.0 glib-2.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -17933,17 +19847,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               GOBJECT_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "gobject-2.0 glib-2.0"`
+               GOBJECT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "gobject-2.0 glib-2.0" 2>&1`
         else
-               GOBJECT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "gobject-2.0 glib-2.0"`
+               GOBJECT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "gobject-2.0 glib-2.0" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$GOBJECT_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        GOBJECT_CFLAGS=$pkg_cv_GOBJECT_CFLAGS
@@ -17974,6 +19888,7 @@ fi
 
 
 
+
 # Gobject-Introspection
 have_introspection=false
 
 
 
 
-have_ucdn=true
-if $have_glib; then
-       have_ucdn=false
-fi
-if $have_ucdn; then
-
-$as_echo "#define HAVE_UCDN 1" >>confdefs.h
-
-fi
- if $have_ucdn; then
-  HAVE_UCDN_TRUE=
-  HAVE_UCDN_FALSE='#'
-else
-  HAVE_UCDN_TRUE='#'
-  HAVE_UCDN_FALSE=
-fi
-
-
-
 
 # Check whether --with-cairo was given.
 if test "${with_cairo+set}" = set; then :
@@ -18122,46 +20018,46 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CAIRO" >&5
 $as_echo_n "checking for CAIRO... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$CAIRO_CFLAGS"; then
-        pkg_cv_CAIRO_CFLAGS="$CAIRO_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$CAIRO_CFLAGS"; then
+    pkg_cv_CAIRO_CFLAGS="$CAIRO_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"cairo >= 1.8.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "cairo >= 1.8.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_CFLAGS=`$PKG_CONFIG --cflags "cairo >= 1.8.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$CAIRO_LIBS"; then
-        pkg_cv_CAIRO_LIBS="$CAIRO_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$CAIRO_LIBS"; then
+    pkg_cv_CAIRO_LIBS="$CAIRO_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"cairo >= 1.8.0\""; } >&5
   ($PKG_CONFIG --exists --print-errors "cairo >= 1.8.0") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_LIBS=`$PKG_CONFIG --libs "cairo >= 1.8.0" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -18169,17 +20065,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               CAIRO_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "cairo >= 1.8.0"`
+               CAIRO_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "cairo >= 1.8.0" 2>&1`
         else
-               CAIRO_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "cairo >= 1.8.0"`
+               CAIRO_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "cairo >= 1.8.0" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$CAIRO_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        CAIRO_CFLAGS=$pkg_cv_CAIRO_CFLAGS
@@ -18213,46 +20109,46 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for CAIRO_FT" >&5
 $as_echo_n "checking for CAIRO_FT... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$CAIRO_FT_CFLAGS"; then
-        pkg_cv_CAIRO_FT_CFLAGS="$CAIRO_FT_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$CAIRO_FT_CFLAGS"; then
+    pkg_cv_CAIRO_FT_CFLAGS="$CAIRO_FT_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"cairo-ft\""; } >&5
   ($PKG_CONFIG --exists --print-errors "cairo-ft") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_FT_CFLAGS=`$PKG_CONFIG --cflags "cairo-ft" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$CAIRO_FT_LIBS"; then
-        pkg_cv_CAIRO_FT_LIBS="$CAIRO_FT_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$CAIRO_FT_LIBS"; then
+    pkg_cv_CAIRO_FT_LIBS="$CAIRO_FT_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"cairo-ft\""; } >&5
   ($PKG_CONFIG --exists --print-errors "cairo-ft") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_CAIRO_FT_LIBS=`$PKG_CONFIG --libs "cairo-ft" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -18260,17 +20156,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               CAIRO_FT_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "cairo-ft"`
+               CAIRO_FT_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "cairo-ft" 2>&1`
         else
-               CAIRO_FT_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "cairo-ft"`
+               CAIRO_FT_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "cairo-ft" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$CAIRO_FT_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        CAIRO_FT_CFLAGS=$pkg_cv_CAIRO_FT_CFLAGS
 
 
 
+# Check whether --with-fontconfig was given.
+if test "${with_fontconfig+set}" = set; then :
+  withval=$with_fontconfig;
+else
+  with_fontconfig=auto
+fi
+
+have_fontconfig=false
+if test "x$with_fontconfig" = "xyes" -o "x$with_fontconfig" = "xauto"; then
+
+pkg_failed=no
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for FONTCONFIG" >&5
+$as_echo_n "checking for FONTCONFIG... " >&6; }
+
+if test -n "$FONTCONFIG_CFLAGS"; then
+    pkg_cv_FONTCONFIG_CFLAGS="$FONTCONFIG_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "fontconfig") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FONTCONFIG_CFLAGS=`$PKG_CONFIG --cflags "fontconfig" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+if test -n "$FONTCONFIG_LIBS"; then
+    pkg_cv_FONTCONFIG_LIBS="$FONTCONFIG_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"fontconfig\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "fontconfig") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  pkg_cv_FONTCONFIG_LIBS=`$PKG_CONFIG --libs "fontconfig" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
+else
+  pkg_failed=yes
+fi
+ else
+    pkg_failed=untried
+fi
+
+
+
+if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
+        _pkg_short_errors_supported=yes
+else
+        _pkg_short_errors_supported=no
+fi
+        if test $_pkg_short_errors_supported = yes; then
+               FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "fontconfig" 2>&1`
+        else
+               FONTCONFIG_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "fontconfig" 2>&1`
+        fi
+       # Put the nasty error message in config.log where it belongs
+       echo "$FONTCONFIG_PKG_ERRORS" >&5
+
+       :
+elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+       :
+else
+       FONTCONFIG_CFLAGS=$pkg_cv_FONTCONFIG_CFLAGS
+       FONTCONFIG_LIBS=$pkg_cv_FONTCONFIG_LIBS
+        { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+       have_fontconfig=true
+fi
+fi
+if test "x$with_fontconfig" = "xyes" -a "x$have_fontconfig" != "xtrue"; then
+       as_fn_error $? "fontconfig support requested but not found" "$LINENO" 5
+fi
+if $have_fontconfig; then
+
+$as_echo "#define HAVE_FONTCONFIG 1" >>confdefs.h
+
+fi
+ if $have_fontconfig; then
+  HAVE_FONTCONFIG_TRUE=
+  HAVE_FONTCONFIG_FALSE='#'
+else
+  HAVE_FONTCONFIG_TRUE='#'
+  HAVE_FONTCONFIG_FALSE=
+fi
+
+
+
+
 # Check whether --with-icu was given.
 if test "${with_icu+set}" = set; then :
   withval=$with_icu;
@@ -18304,52 +20300,52 @@ else
 fi
 
 have_icu=false
-if test "x$with_icu" = "xyes" -o "x$with_icu" = "xauto"; then
+if test "x$with_icu" = "xyes" -o "x$with_icu" = "xbuiltin" -o "x$with_icu" = "xauto"; then
 
 pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ICU" >&5
 $as_echo_n "checking for ICU... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$ICU_CFLAGS"; then
-        pkg_cv_ICU_CFLAGS="$ICU_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$ICU_CFLAGS"; then
+    pkg_cv_ICU_CFLAGS="$ICU_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"icu-uc\""; } >&5
   ($PKG_CONFIG --exists --print-errors "icu-uc") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_ICU_CFLAGS=`$PKG_CONFIG --cflags "icu-uc" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$ICU_LIBS"; then
-        pkg_cv_ICU_LIBS="$ICU_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
+if test -n "$ICU_LIBS"; then
+    pkg_cv_ICU_LIBS="$ICU_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
     { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"icu-uc\""; } >&5
   ($PKG_CONFIG --exists --print-errors "icu-uc") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
   pkg_cv_ICU_LIBS=`$PKG_CONFIG --libs "icu-uc" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -18357,17 +20353,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               ICU_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "icu-uc"`
+               ICU_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "icu-uc" 2>&1`
         else
-               ICU_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "icu-uc"`
+               ICU_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "icu-uc" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$ICU_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        ICU_CFLAGS=$pkg_cv_ICU_CFLAGS
@@ -18489,14 +20485,20 @@ $as_echo "no" >&6; }
                fi
        fi
 fi
-if test "x$with_icu" = "xyes" -a "x$have_icu" != "xtrue"; then
+if test \( "x$with_icu" = "xyes" -o "x$with_icu" = "xbuiltin" \) -a "x$have_icu" != "xtrue"; then
        as_fn_error $? "icu support requested but icu-uc not found" "$LINENO" 5
 fi
+
 if $have_icu; then
        CXXFLAGS="$CXXFLAGS `$PKG_CONFIG --variable=CXXFLAGS icu-uc`"
 
 $as_echo "#define HAVE_ICU 1" >>confdefs.h
 
+       if test "x$with_icu" = "xbuiltin"; then
+
+$as_echo "#define HAVE_ICU_BUILTIN 1" >>confdefs.h
+
+       fi
 fi
  if $have_icu; then
   HAVE_ICU_TRUE=
@@ -18506,6 +20508,41 @@ else
   HAVE_ICU_FALSE=
 fi
 
+ if $have_icu && test "x$with_icu" = "xbuiltin"; then
+  HAVE_ICU_BUILTIN_TRUE=
+  HAVE_ICU_BUILTIN_FALSE='#'
+else
+  HAVE_ICU_BUILTIN_TRUE='#'
+  HAVE_ICU_BUILTIN_FALSE=
+fi
+
+
+
+
+# Check whether --with-ucdn was given.
+if test "${with_ucdn+set}" = set; then :
+  withval=$with_ucdn;
+else
+  with_ucdn=yes
+fi
+
+have_ucdn=false
+if test "x$with_ucdn" = "xyes"; then
+       have_ucdn=true
+fi
+if $have_ucdn; then
+
+$as_echo "#define HAVE_UCDN 1" >>confdefs.h
+
+fi
+ if $have_ucdn; then
+  HAVE_UCDN_TRUE=
+  HAVE_UCDN_FALSE='#'
+else
+  HAVE_UCDN_TRUE='#'
+  HAVE_UCDN_FALSE=
+fi
+
 
 
 
@@ -18517,52 +20554,54 @@ else
 fi
 
 have_graphite2=false
+GRAPHITE2_DEPS="graphite2 >= 1.2.0"
+
 if test "x$with_graphite2" = "xyes" -o "x$with_graphite2" = "xauto"; then
 
 pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GRAPHITE2" >&5
 $as_echo_n "checking for GRAPHITE2... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GRAPHITE2_CFLAGS"; then
-        pkg_cv_GRAPHITE2_CFLAGS="$GRAPHITE2_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"graphite2\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "graphite2") 2>&5
+if test -n "$GRAPHITE2_CFLAGS"; then
+    pkg_cv_GRAPHITE2_CFLAGS="$GRAPHITE2_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$GRAPHITE2_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$GRAPHITE2_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_GRAPHITE2_CFLAGS=`$PKG_CONFIG --cflags "graphite2" 2>/dev/null`
+  pkg_cv_GRAPHITE2_CFLAGS=`$PKG_CONFIG --cflags "$GRAPHITE2_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$GRAPHITE2_LIBS"; then
-        pkg_cv_GRAPHITE2_LIBS="$GRAPHITE2_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"graphite2\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "graphite2") 2>&5
+if test -n "$GRAPHITE2_LIBS"; then
+    pkg_cv_GRAPHITE2_LIBS="$GRAPHITE2_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$GRAPHITE2_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$GRAPHITE2_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_GRAPHITE2_LIBS=`$PKG_CONFIG --libs "graphite2" 2>/dev/null`
+  pkg_cv_GRAPHITE2_LIBS=`$PKG_CONFIG --libs "$GRAPHITE2_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -18570,17 +20609,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               GRAPHITE2_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "graphite2"`
+               GRAPHITE2_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$GRAPHITE2_DEPS" 2>&1`
         else
-               GRAPHITE2_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "graphite2"`
+               GRAPHITE2_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$GRAPHITE2_DEPS" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$GRAPHITE2_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        GRAPHITE2_CFLAGS=$pkg_cv_GRAPHITE2_CFLAGS
@@ -18589,6 +20628,23 @@ else
 $as_echo "yes" >&6; }
        have_graphite2=true
 fi
+       if test "x$have_graphite2" != "xtrue"; then
+                # If pkg-config is not available, graphite2 can still be there
+               ac_save_CFLAGS="$CFLAGS"
+               ac_save_CPPFLAGS="$CPPFLAGS"
+               CFLAGS="$CFLAGS $GRAPHITE2_CFLAGS"
+               CPPFLAGS="$CPPFLAGS $GRAPHITE2_CFLAGS"
+               ac_fn_c_check_header_mongrel "$LINENO" "graphite2/Segment.h" "ac_cv_header_graphite2_Segment_h" "$ac_includes_default"
+if test "x$ac_cv_header_graphite2_Segment_h" = xyes; then :
+  have_graphite2=true
+else
+  :
+fi
+
+
+               CPPFLAGS="$ac_save_CPPFLAGS"
+               CFLAGS="$ac_save_CFLAGS"
+       fi
 fi
 if test "x$with_graphite2" = "xyes" -a "x$have_graphite2" != "xtrue"; then
        as_fn_error $? "graphite2 support requested but libgraphite2 not found" "$LINENO" 5
@@ -18617,6 +20673,8 @@ else
 fi
 
 have_freetype=false
+FREETYPE_DEPS="freetype2 >= 12.0.6"
+
 if test "x$with_freetype" = "xyes" -o "x$with_freetype" = "xauto"; then
        # See freetype/docs/VERSION.DLL; 12.0.6 means freetype-2.4.2
 
@@ -18624,46 +20682,46 @@ pkg_failed=no
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for FREETYPE" >&5
 $as_echo_n "checking for FREETYPE... " >&6; }
 
-if test -n "$PKG_CONFIG"; then
-    if test -n "$FREETYPE_CFLAGS"; then
-        pkg_cv_FREETYPE_CFLAGS="$FREETYPE_CFLAGS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"freetype2 >= 12.0.6\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "freetype2 >= 12.0.6") 2>&5
+if test -n "$FREETYPE_CFLAGS"; then
+    pkg_cv_FREETYPE_CFLAGS="$FREETYPE_CFLAGS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$FREETYPE_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$FREETYPE_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_FREETYPE_CFLAGS=`$PKG_CONFIG --cflags "freetype2 >= 12.0.6" 2>/dev/null`
+  pkg_cv_FREETYPE_CFLAGS=`$PKG_CONFIG --cflags "$FREETYPE_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
-if test -n "$PKG_CONFIG"; then
-    if test -n "$FREETYPE_LIBS"; then
-        pkg_cv_FREETYPE_LIBS="$FREETYPE_LIBS"
-    else
-        if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"freetype2 >= 12.0.6\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "freetype2 >= 12.0.6") 2>&5
+if test -n "$FREETYPE_LIBS"; then
+    pkg_cv_FREETYPE_LIBS="$FREETYPE_LIBS"
+ elif test -n "$PKG_CONFIG"; then
+    if test -n "$PKG_CONFIG" && \
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"\$FREETYPE_DEPS\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "$FREETYPE_DEPS") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_FREETYPE_LIBS=`$PKG_CONFIG --libs "freetype2 >= 12.0.6" 2>/dev/null`
+  pkg_cv_FREETYPE_LIBS=`$PKG_CONFIG --libs "$FREETYPE_DEPS" 2>/dev/null`
+                     test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
 fi
-    fi
-else
-       pkg_failed=untried
+ else
+    pkg_failed=untried
 fi
 
 
 
 if test $pkg_failed = yes; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
 
 if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then
         _pkg_short_errors_supported=yes
@@ -18671,17 +20729,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-               FREETYPE_PKG_ERRORS=`$PKG_CONFIG --short-errors --errors-to-stdout --print-errors "freetype2 >= 12.0.6"`
+               FREETYPE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "$FREETYPE_DEPS" 2>&1`
         else
-               FREETYPE_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "freetype2 >= 12.0.6"`
+               FREETYPE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "$FREETYPE_DEPS" 2>&1`
         fi
        # Put the nasty error message in config.log where it belongs
        echo "$FREETYPE_PKG_ERRORS" >&5
 
-       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-                :
+       :
 elif test $pkg_failed = untried; then
+       { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
        :
 else
        FREETYPE_CFLAGS=$pkg_cv_FREETYPE_CFLAGS
@@ -18698,6 +20756,21 @@ if $have_freetype; then
 
 $as_echo "#define HAVE_FREETYPE 1" >>confdefs.h
 
+       save_libs=$LIBS
+       LIBS="$LIBS $FREETYPE_LIBS"
+       for ac_func in FT_Get_Var_Blend_Coordinates FT_Set_Var_Blend_Coordinates FT_Done_MM_Var
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+       LIBS=$save_libs
 fi
  if $have_freetype; then
   HAVE_FREETYPE_TRUE=
 
 
 
+# Check whether --with-directwrite was given.
+if test "${with_directwrite+set}" = set; then :
+  withval=$with_directwrite;
+else
+  with_directwrite=no
+fi
+
+have_directwrite=false
+ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+if test "x$with_directwrite" = "xyes" -o "x$with_directwrite" = "xauto"; then
+
+for ac_header in dwrite.h
+do :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "dwrite.h" "ac_cv_header_dwrite_h" "$ac_includes_default"
+if test "x$ac_cv_header_dwrite_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DWRITE_H 1
+_ACEOF
+ have_directwrite=true
+fi
+
+done
+
+fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+if test "x$with_directwrite" = "xyes" -a "x$have_directwrite" != "xtrue"; then
+       as_fn_error $? "directwrite support requested but not found" "$LINENO" 5
+fi
+if $have_directwrite; then
+       DIRECTWRITE_CXXFLAGS=
+       DIRECTWRITE_LIBS="-ldwrite"
+
+
+
+$as_echo "#define HAVE_DIRECTWRITE 1" >>confdefs.h
+
+fi
+ if $have_directwrite; then
+  HAVE_DIRECTWRITE_TRUE=
+  HAVE_DIRECTWRITE_FALSE='#'
+else
+  HAVE_DIRECTWRITE_TRUE='#'
+  HAVE_DIRECTWRITE_FALSE=
+fi
+
+
+
+
 # Check whether --with-coretext was given.
 if test "${with_coretext+set}" = set; then :
   withval=$with_coretext;
        else
                # On iOS CoreText and CoreGraphics are stand-alone frameworks
                if test "x$have_coretext" != "xtrue"; then
-                       ac_fn_c_check_type "$LINENO" "CTFontRef" "ac_cv_type_CTFontRef" "#include <CoreText/CoreText.h>
+                       # Check for a different symbol to avoid getting cached result.
+                       ac_fn_c_check_type "$LINENO" "CTRunRef" "ac_cv_type_CTRunRef" "#include <CoreText/CoreText.h>
 "
-if test "x$ac_cv_type_CTFontRef" = xyes; then :
+if test "x$ac_cv_type_CTRunRef" = xyes; then :
   have_coretext=true
 fi
 
@@ -18790,7 +20922,7 @@ fi
 
                if $have_coretext; then
                        CORETEXT_CFLAGS=
-                       CORETEXT_LIBS="-framework CoreText -framework CoreGraphics"
+                       CORETEXT_LIBS="-framework CoreText -framework CoreGraphics -framework CoreFoundation"
 
 
                fi
@@ -18969,7 +21101,7 @@ fi
 fi
 
 
-ac_config_files="$ac_config_files Makefile src/Makefile src/hb-version.h src/hb-ucdn/Makefile util/Makefile test/Makefile test/api/Makefile test/shaping/Makefile docs/Makefile docs/reference/Makefile docs/reference/version.xml"
+ac_config_files="$ac_config_files Makefile src/Makefile src/harfbuzz-config.cmake src/hb-ucdn/Makefile util/Makefile test/Makefile test/api/Makefile test/fuzzing/Makefile test/shaping/Makefile test/shaping/data/Makefile test/shaping/data/aots/Makefile test/shaping/data/in-house/Makefile test/shaping/data/text-rendering-tests/Makefile test/subset/Makefile test/subset/data/Makefile docs/Makefile docs/version.xml"
 
 
 cat >confcache <<\_ACEOF
@@ -19097,8 +21229,8 @@ else
   am__EXEEXT_FALSE=
 fi
 
-if test -z "${AUTOMAKE_OLDER_THAN_1_13_TRUE}" && test -z "${AUTOMAKE_OLDER_THAN_1_13_FALSE}"; then
-  as_fn_error $? "conditional \"AUTOMAKE_OLDER_THAN_1_13\" was never defined.
+if test -z "${CODE_COVERAGE_ENABLED_TRUE}" && test -z "${CODE_COVERAGE_ENABLED_FALSE}"; then
+  as_fn_error $? "conditional \"CODE_COVERAGE_ENABLED\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then
@@ -19117,6 +21249,10 @@ if test -z "${am__fastdepCXX_TRUE}" && test -z "${am__fastdepCXX_FALSE}"; then
   as_fn_error $? "conditional \"am__fastdepCXX\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${WITH_LIBSTDCXX_TRUE}" && test -z "${WITH_LIBSTDCXX_FALSE}"; then
+  as_fn_error $? "conditional \"WITH_LIBSTDCXX\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_GTK_DOC_TRUE}" && test -z "${HAVE_GTK_DOC_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_GTK_DOC\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -19153,10 +21289,6 @@ if test -z "${HAVE_PTHREAD_TRUE}" && test -z "${HAVE_PTHREAD_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_PTHREAD\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_OT_TRUE}" && test -z "${HAVE_OT_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_OT\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${HAVE_FALLBACK_TRUE}" && test -z "${HAVE_FALLBACK_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_FALLBACK\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -19177,10 +21309,6 @@ if test -z "${HAVE_INTROSPECTION_TRUE}" && test -z "${HAVE_INTROSPECTION_FALSE}"
   as_fn_error $? "conditional \"HAVE_INTROSPECTION\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${HAVE_UCDN_TRUE}" && test -z "${HAVE_UCDN_FALSE}"; then
-  as_fn_error $? "conditional \"HAVE_UCDN\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${HAVE_CAIRO_TRUE}" && test -z "${HAVE_CAIRO_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_CAIRO\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -19189,10 +21317,22 @@ if test -z "${HAVE_CAIRO_FT_TRUE}" && test -z "${HAVE_CAIRO_FT_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_CAIRO_FT\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_FONTCONFIG_TRUE}" && test -z "${HAVE_FONTCONFIG_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_FONTCONFIG\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_ICU_TRUE}" && test -z "${HAVE_ICU_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_ICU\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_ICU_BUILTIN_TRUE}" && test -z "${HAVE_ICU_BUILTIN_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_ICU_BUILTIN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${HAVE_UCDN_TRUE}" && test -z "${HAVE_UCDN_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_UCDN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_GRAPHITE2_TRUE}" && test -z "${HAVE_GRAPHITE2_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_GRAPHITE2\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -19205,6 +21345,10 @@ if test -z "${HAVE_UNISCRIBE_TRUE}" && test -z "${HAVE_UNISCRIBE_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_UNISCRIBE\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
+if test -z "${HAVE_DIRECTWRITE_TRUE}" && test -z "${HAVE_DIRECTWRITE_FALSE}"; then
+  as_fn_error $? "conditional \"HAVE_DIRECTWRITE\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
 if test -z "${HAVE_CORETEXT_TRUE}" && test -z "${HAVE_CORETEXT_FALSE}"; then
   as_fn_error $? "conditional \"HAVE_CORETEXT\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
@@ -19606,7 +21750,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by HarfBuzz $as_me 0.9.40, which was
+This file was extended by HarfBuzz $as_me 2.3.1, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -19666,14 +21810,14 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <http://bugs.freedesktop.org/enter_bug.cgi?product=harfbuzz>.
+Report bugs to <https://github.com/harfbuzz/harfbuzz/issues/new>.
 HarfBuzz home page: <http://harfbuzz.org/>."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-HarfBuzz config.status 0.9.40
+HarfBuzz config.status 2.3.1
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
@@ -19808,6 +21952,7 @@ enable_static='`$ECHO "$enable_static" | $SED "$delay_single_quote_subst"`'
 enable_shared='`$ECHO "$enable_shared" | $SED "$delay_single_quote_subst"`'
 pic_mode='`$ECHO "$pic_mode" | $SED "$delay_single_quote_subst"`'
 enable_fast_install='`$ECHO "$enable_fast_install" | $SED "$delay_single_quote_subst"`'
+shared_archive_member_spec='`$ECHO "$shared_archive_member_spec" | $SED "$delay_single_quote_subst"`'
 SHELL='`$ECHO "$SHELL" | $SED "$delay_single_quote_subst"`'
 ECHO='`$ECHO "$ECHO" | $SED "$delay_single_quote_subst"`'
 PATH_SEPARATOR='`$ECHO "$PATH_SEPARATOR" | $SED "$delay_single_quote_subst"`'
@@ -19863,6 +22008,7 @@ lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='`$ECHO "$lt_cv_sys_global_
 lt_cv_nm_interface='`$ECHO "$lt_cv_nm_interface" | $SED "$delay_single_quote_subst"`'
 nm_file_list_spec='`$ECHO "$nm_file_list_spec" | $SED "$delay_single_quote_subst"`'
 lt_sysroot='`$ECHO "$lt_sysroot" | $SED "$delay_single_quote_subst"`'
+lt_cv_truncate_bin='`$ECHO "$lt_cv_truncate_bin" | $SED "$delay_single_quote_subst"`'
 objdir='`$ECHO "$objdir" | $SED "$delay_single_quote_subst"`'
 MAGIC_CMD='`$ECHO "$MAGIC_CMD" | $SED "$delay_single_quote_subst"`'
 lt_prog_compiler_no_builtin_flag='`$ECHO "$lt_prog_compiler_no_builtin_flag" | $SED "$delay_single_quote_subst"`'
@@ -19927,7 +22073,8 @@ finish_cmds='`$ECHO "$finish_cmds" | $SED "$delay_single_quote_subst"`'
 finish_eval='`$ECHO "$finish_eval" | $SED "$delay_single_quote_subst"`'
 hardcode_into_libs='`$ECHO "$hardcode_into_libs" | $SED "$delay_single_quote_subst"`'
 sys_lib_search_path_spec='`$ECHO "$sys_lib_search_path_spec" | $SED "$delay_single_quote_subst"`'
-sys_lib_dlsearch_path_spec='`$ECHO "$sys_lib_dlsearch_path_spec" | $SED "$delay_single_quote_subst"`'
+configure_time_dlsearch_path='`$ECHO "$configure_time_dlsearch_path" | $SED "$delay_single_quote_subst"`'
+configure_time_lt_sys_library_path='`$ECHO "$configure_time_lt_sys_library_path" | $SED "$delay_single_quote_subst"`'
 hardcode_action='`$ECHO "$hardcode_action" | $SED "$delay_single_quote_subst"`'
 enable_dlopen='`$ECHO "$enable_dlopen" | $SED "$delay_single_quote_subst"`'
 enable_dlopen_self='`$ECHO "$enable_dlopen_self" | $SED "$delay_single_quote_subst"`'
@@ -20037,6 +22184,7 @@ lt_cv_sys_global_symbol_to_c_name_address \
 lt_cv_sys_global_symbol_to_c_name_address_lib_prefix \
 lt_cv_nm_interface \
 nm_file_list_spec \
+lt_cv_truncate_bin \
 lt_prog_compiler_no_builtin_flag \
 lt_prog_compiler_pic \
 lt_prog_compiler_wl \
@@ -20129,7 +22277,8 @@ postinstall_cmds \
 postuninstall_cmds \
 finish_cmds \
 sys_lib_search_path_spec \
-sys_lib_dlsearch_path_spec \
+configure_time_dlsearch_path \
+configure_time_lt_sys_library_path \
 reload_cmds_CXX \
 old_archive_cmds_CXX \
 old_archive_from_new_cmds_CXX \
     "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
-    "src/hb-version.h") CONFIG_FILES="$CONFIG_FILES src/hb-version.h" ;;
+    "src/harfbuzz-config.cmake") CONFIG_FILES="$CONFIG_FILES src/harfbuzz-config.cmake" ;;
     "src/hb-ucdn/Makefile") CONFIG_FILES="$CONFIG_FILES src/hb-ucdn/Makefile" ;;
     "util/Makefile") CONFIG_FILES="$CONFIG_FILES util/Makefile" ;;
     "test/Makefile") CONFIG_FILES="$CONFIG_FILES test/Makefile" ;;
     "test/api/Makefile") CONFIG_FILES="$CONFIG_FILES test/api/Makefile" ;;
+    "test/fuzzing/Makefile") CONFIG_FILES="$CONFIG_FILES test/fuzzing/Makefile" ;;
     "test/shaping/Makefile") CONFIG_FILES="$CONFIG_FILES test/shaping/Makefile" ;;
+    "test/shaping/data/Makefile") CONFIG_FILES="$CONFIG_FILES test/shaping/data/Makefile" ;;
+    "test/shaping/data/aots/Makefile") CONFIG_FILES="$CONFIG_FILES test/shaping/data/aots/Makefile" ;;
+    "test/shaping/data/in-house/Makefile") CONFIG_FILES="$CONFIG_FILES test/shaping/data/in-house/Makefile" ;;
+    "test/shaping/data/text-rendering-tests/Makefile") CONFIG_FILES="$CONFIG_FILES test/shaping/data/text-rendering-tests/Makefile" ;;
+    "test/subset/Makefile") CONFIG_FILES="$CONFIG_FILES test/subset/Makefile" ;;
+    "test/subset/data/Makefile") CONFIG_FILES="$CONFIG_FILES test/subset/data/Makefile" ;;
     "docs/Makefile") CONFIG_FILES="$CONFIG_FILES docs/Makefile" ;;
-    "docs/reference/Makefile") CONFIG_FILES="$CONFIG_FILES docs/reference/Makefile" ;;
-    "docs/reference/version.xml") CONFIG_FILES="$CONFIG_FILES docs/reference/version.xml" ;;
+    "docs/version.xml") CONFIG_FILES="$CONFIG_FILES docs/version.xml" ;;
 
   *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
@@ -20894,44 +23049,41 @@ $as_echo X"$file" |
 
     cat <<_LT_EOF >> "$cfgfile"
 #! $SHELL
-
-# `$ECHO "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
 # Generated automatically by $as_me ($PACKAGE) $VERSION
-# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
 # NOTE: Changes made to this file will be lost: look at ltmain.sh.
+
+# Provide generalized library-building support services.
+# Written by Gordon Matzigkeit, 1996
+
+# Copyright (C) 2014 Free Software Foundation, Inc.
+# This is free software; see the source for copying conditions.  There is NO
+# warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+# GNU Libtool is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of of the License, or
+# (at your option) any later version.
 #
-#   Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004, 2005,
-#                 2006, 2007, 2008, 2009, 2010, 2011 Free Software
-#                 Foundation, Inc.
-#   Written by Gordon Matzigkeit, 1996
-#
-#   This file is part of GNU Libtool.
-#
-# GNU Libtool is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# As a special exception to the GNU General Public License,
-# if you distribute this file as part of a program or library that
-# is built using GNU Libtool, you may include this file under the
-# same distribution terms that you use for the rest of that program.
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program or library that is built
+# using GNU Libtool, you may include this file under the  same
+# distribution terms that you use for the rest of that program.
 #
-# GNU Libtool is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# GNU Libtool is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with GNU Libtool; see the file COPYING.  If not, a copy
-# can be downloaded from http://www.gnu.org/licenses/gpl.html, or
-# obtained by writing to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 # The names of the tagged configurations supported by this script.
 available_tags='CXX '
 
+# Configured defaults for sys_lib_dlsearch_path munging.
+: \${LT_SYS_LIBRARY_PATH="$configure_time_lt_sys_library_path"}
+
 # ### BEGIN LIBTOOL CONFIG
 
 # Which release of libtool.m4 was used?
@@ -20950,6 +23102,9 @@ pic_mode=$pic_mode
 # Whether or not to optimize for fast installation.
 fast_install=$enable_fast_install
 
+# Shared archive member basename,for filename based shared library versioning on AIX.
+shared_archive_member_spec=$shared_archive_member_spec
+
 # Shell to use when invoking shell scripts.
 SHELL=$lt_SHELL
 
@@ -21085,6 +23240,9 @@ nm_file_list_spec=$lt_nm_file_list_spec
 # The root where to search for dependent libraries,and where our libraries should be installed.
 lt_sysroot=$lt_sysroot
 
+# Command to truncate a binary pipe.
+lt_truncate_bin=$lt_lt_cv_truncate_bin
+
 # The name of the directory that contains temporary libtool files.
 objdir=$objdir
 
@@ -21175,8 +23333,11 @@ hardcode_into_libs=$hardcode_into_libs
 # Compile-time system search path for libraries.
 sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
 
-# Run-time system search path for libraries.
-sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
+# Detected run-time system search path for libraries.
+sys_lib_dlsearch_path_spec=$lt_configure_time_dlsearch_path
+
+# Explicit LT_SYS_LIBRARY_PATH set during ./configure time.
+configure_time_lt_sys_library_path=$lt_configure_time_lt_sys_library_path
 
 # Whether dlopen is supported.
 dlopen_support=$enable_dlopen
@@ -21341,6 +23502,65 @@ compiler_lib_search_path=$lt_compiler_lib_search_path
 
 _LT_EOF
 
+    cat <<'_LT_EOF' >> "$cfgfile"
+
+# ### BEGIN FUNCTIONS SHARED WITH CONFIGURE
+
+# func_munge_path_list VARIABLE PATH
+# -----------------------------------
+# VARIABLE is name of variable containing _space_ separated list of
+# directories to be munged by the contents of PATH, which is string
+# having a format:
+# "DIR[:DIR]:"
+#       string "DIR[ DIR]" will be prepended to VARIABLE
+# ":DIR[:DIR]"
+#       string "DIR[ DIR]" will be appended to VARIABLE
+# "DIRP[:DIRP]::[DIRA:]DIRA"
+#       string "DIRP[ DIRP]" will be prepended to VARIABLE and string
+#       "DIRA[ DIRA]" will be appended to VARIABLE
+# "DIR[:DIR]"
+#       VARIABLE will be replaced by "DIR[ DIR]"
+func_munge_path_list ()
+{
+    case x$2 in
+    x)
+        ;;
+    *:)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'` \$$1\"
+        ;;
+    x:*)
+        eval $1=\"\$$1 `$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    *::*)
+        eval $1=\"\$$1\ `$ECHO $2 | $SED -e 's/.*:://' -e 's/:/ /g'`\"
+        eval $1=\"`$ECHO $2 | $SED -e 's/::.*//' -e 's/:/ /g'`\ \$$1\"
+        ;;
+    *)
+        eval $1=\"`$ECHO $2 | $SED 's/:/ /g'`\"
+        ;;
+    esac
+}
+
+
+# Calculate cc_basename.  Skip known compiler wrappers and cross-prefix.
+func_cc_basename ()
+{
+    for cc_temp in $*""; do
+      case $cc_temp in
+        compile | *[\\/]compile | ccache | *[\\/]ccache ) ;;
+        distcc | *[\\/]distcc | purify | *[\\/]purify ) ;;
+        \-*) ;;
+        *) break;;
+      esac
+    done
+    func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
+}
+
+
+# ### END FUNCTIONS SHARED WITH CONFIGURE
+
+_LT_EOF
+
   case $host_os in
   aix3*)
     cat <<\_LT_EOF >> "$cfgfile"
 Build configuration:
 
 Unicode callbacks (you want at least one):
+       Builtin (UCDN):         ${have_ucdn}
        Glib:                   ${have_glib}
        ICU:                    ${have_icu}
-       UCDN:                   ${have_ucdn}
 
-Font callbacks (the more the better):
+Font callbacks (the more the merrier):
        FreeType:               ${have_freetype}
 
 Tools used for command-line utilities:
        Cairo:                  ${have_cairo}
+       Fontconfig:             ${have_fontconfig}
 
-Additional shapers (the more the better):
+Additional shapers (the more the merrier):
        Graphite2:              ${have_graphite2}
 
 Platform shapers (not normally needed):
        CoreText:               ${have_coretext}
+       DirectWrite:            ${have_directwrite}
        Uniscribe:              ${have_uniscribe}
 
 Other features:
-       Documentation:          ${have_gtk_doc}
+       Documentation:          ${enable_gtk_doc}
        GObject bindings:       ${have_gobject}
        Introspection:          ${have_introspection}
 " >&5
@@ -21595,25 +23817,27 @@ $as_echo "$as_me:
 Build configuration:
 
 Unicode callbacks (you want at least one):
+       Builtin (UCDN):         ${have_ucdn}
        Glib:                   ${have_glib}
        ICU:                    ${have_icu}
-       UCDN:                   ${have_ucdn}
 
-Font callbacks (the more the better):
+Font callbacks (the more the merrier):
        FreeType:               ${have_freetype}
 
 Tools used for command-line utilities:
        Cairo:                  ${have_cairo}
+       Fontconfig:             ${have_fontconfig}
 
-Additional shapers (the more the better):
+Additional shapers (the more the merrier):
        Graphite2:              ${have_graphite2}
 
 Platform shapers (not normally needed):
        CoreText:               ${have_coretext}
+       DirectWrite:            ${have_directwrite}
        Uniscribe:              ${have_uniscribe}
 
 Other features:
-       Documentation:          ${have_gtk_doc}
+       Documentation:          ${enable_gtk_doc}
        GObject bindings:       ${have_gobject}
        Introspection:          ${have_introspection}
 " >&6;}