/
* configure.ac: Add --enable-host-shared
* configure: Regenerate.
gcc/
* Makefile.in (PICFLAG): New.
(enable_host_shared): New.
(INTERNAL_CFLAGS): Use PICFLAG.
(LIBIBERTY): Use pic build of libiberty.a if configured with
--enable-host-shared.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
* doc/install.texi (--enable-shared): Add note contrasting it
with...
(--enable-host-shared): New option.
libbacktrace/
* configure.ac: Add --enable-host-shared, setting up
pre-existing PIC_FLAG variable within Makefile.am et al.
* configure: Regenerate.
libcpp/
* Makefile.in (PICFLAG): New.
(ALL_CFLAGS): Add PICFLAG.
(ALL_CXXFLAGS): Likewise.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
libdecnumber/
* Makefile.in (PICFLAG): New.
(ALL_CFLAGS): Add PICFLAG.
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* configure: Regenerate.
libiberty/
* configure.ac: If --enable-host-shared, use -fPIC.
* configure: Regenerate.
zlib/
* configure.ac: Add --enable-host-shared, setting up new
PICFLAG variable.
* Makefile.am: Add PICFLAG to libz_a_CFLAGS.
* Makefile.in: Regenerate.
* configure: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203632
138bc75d-0d04-0410-961f-
82ee72b054a4
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * configure.ac: Add --enable-host-shared
+ * configure: Regenerate.
+
2013-01-10 Joern Rennecke <joern.rennecke@embecosm.com>
Import from savannah.gnu.org:
ac_subst_vars='LTLIBOBJS
LIBOBJS
compare_exclusions
+host_shared
stage2_werror_flag
stage1_checking
stage1_cflags
enable_maintainer_mode
enable_stage1_checking
enable_werror
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
choose additional checking for stage1 of the
compiler
--enable-werror enable -Werror in bootstrap stage2 and later
+ --enable-host-shared build host code as shared libraries
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
esac
+# Enable --enable-host-shared.
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; host_shared=$enableval
+else
+ host_shared=no
+fi
+
+
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
esac
AC_SUBST(stage2_werror_flag)
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[host_shared=$enableval], [host_shared=no])
+AC_SUBST(host_shared)
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * Makefile.in (PICFLAG): New.
+ (enable_host_shared): New.
+ (INTERNAL_CFLAGS): Use PICFLAG.
+ (LIBIBERTY): Use pic build of libiberty.a if configured with
+ --enable-host-shared.
+ * configure.ac: Add --enable-host-shared, setting up new
+ PICFLAG variable.
+ * configure: Regenerate.
+ * doc/install.texi (--enable-shared): Add note contrasting it
+ with...
+ (--enable-host-shared): New option.
+
2013-10-15 Richard Biener <rguenther@suse.de>
* tree-tailcall.c (find_tail_calls): Don't use tail-call recursion
CXXFLAGS = @CXXFLAGS@
LDFLAGS = @LDFLAGS@
+# Should we build position-independent host code?
+PICFLAG = @PICFLAG@
+
# Flags to determine code coverage. When coverage is disabled, this will
# contain the optimization flags, as you normally want code coverage
# without optimization.
enable_plugin = @enable_plugin@
+enable_host_shared = @enable_host_shared@
+
CPPLIB = ../libcpp/libcpp.a
CPPINC = -I$(srcdir)/../libcpp/include
# programs built during a bootstrap.
# autoconf inserts -DCROSS_DIRECTORY_STRUCTURE if we are building a
# cross compiler which does not use the native headers and libraries.
-INTERNAL_CFLAGS = -DIN_GCC @CROSS@
+INTERNAL_CFLAGS = -DIN_GCC $(PICFLAG) @CROSS@
# This is the variable actually used when we compile. If you change this,
# you probably want to update BUILD_CFLAGS in configure.ac
ALL_LINKERFLAGS = $(ALL_CXXFLAGS)
# Build and host support libraries.
+
+# Use the "pic" build of libiberty if --enable-host-shared.
+ifeq ($(enable_host_shared),yes)
+LIBIBERTY = ../libiberty/pic/libiberty.a
+BUILD_LIBIBERTY = $(build_libobjdir)/libiberty/pic/libiberty.a
+else
LIBIBERTY = ../libiberty/libiberty.a
BUILD_LIBIBERTY = $(build_libobjdir)/libiberty/libiberty.a
+endif
# Dependencies on the intl and portability libraries.
LIBDEPS= libcommon.a $(CPPLIB) $(LIBIBERTY) $(LIBINTL_DEP) $(LIBICONV_DEP) \
ac_subst_vars='LTLIBOBJS
LIBOBJS
+PICFLAG
+enable_host_shared
enable_plugin
pluginlibs
CLOOGINC
enable_link_mutex
enable_version_specific_runtime_libs
enable_plugin
+enable_host_shared
enable_libquadmath_support
with_linker_hash_style
'
specify that runtime libraries should be installed
in a compiler-specific directory
--enable-plugin enable plugin support
+ --enable-host-shared build host code as shared libraries
--disable-libquadmath-support
disable libquadmath support for Fortran
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17896 "configure"
+#line 17900 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 18002 "configure"
+#line 18006 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
fi
+# Enable --enable-host-shared
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+ PICFLAG=
+fi
+
+
+
+
+
# Check whether --enable-libquadmath-support was given.
if test "${enable_libquadmath_support+set}" = set; then :
enableval=$enable_libquadmath_support; ENABLE_LIBQUADMATH_SUPPORT=$enableval
fi
+# Enable --enable-host-shared
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(enable_host_shared)
+AC_SUBST(PICFLAG)
+
+
AC_ARG_ENABLE(libquadmath-support,
[AS_HELP_STRING([--disable-libquadmath-support],
[disable libquadmath support for Fortran])],
@option{--disable-shared} does not accept a list of package names as
argument, only @option{--enable-shared} does.
+Contrast with @option{--enable-host-shared}, which affects @emph{host}
+code.
+
+@item --enable-host-shared
+Specify that the @emph{host} code should be built into position-independent
+machine code (with -fPIC), allowing it to be used within shared libraries,
+but yielding a slightly slower compiler.
+
+Currently this option is only of use to people developing GCC itself.
+
+Contrast with @option{--enable-shared}, which affects @emph{target}
+libraries.
+
@item @anchor{with-gnu-as}--with-gnu-as
Specify that the compiler should assume that the
assembler it finds is the GNU assembler. However, this does not modify
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * configure.ac: Add --enable-host-shared, setting up
+ pre-existing PIC_FLAG variable within Makefile.am et al.
+ * configure: Regenerate.
+
2013-09-20 Alan Modra <amodra@gmail.com>
* configure: Regenerate.
enable_libtool_lock
enable_multilib
with_system_libunwind
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
--enable-multilib build many library versions (default)
+ --enable-host-shared build host code as shared libraries
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11090 "configure"
+#line 11092 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11196 "configure"
+#line 11198 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
if test -n "${with_target_subdir}"; then
PIC_FLAG=-fPIC
fi
+# Similarly, use -fPIC with --enable-host-shared:
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; PIC_FLAG=-fPIC
+fi
+
# Test for __sync support.
if test -n "${with_target_subdir}"; then
PIC_FLAG=-fPIC
fi
+# Similarly, use -fPIC with --enable-host-shared:
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PIC_FLAG=-fPIC], [])
AC_SUBST(PIC_FLAG)
# Test for __sync support.
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * Makefile.in (PICFLAG): New.
+ (ALL_CFLAGS): Add PICFLAG.
+ (ALL_CXXFLAGS): Likewise.
+ * configure.ac: Add --enable-host-shared, setting up new
+ PICFLAG variable.
+ * configure: Regenerate.
+
2013-08-07 Richard Earnshaw <rearnsha@arm.com>
* configure.ac: Set need_64bit_hwint for all arm targets.
CXXDEPMODE = @CXXDEPMODE@
DEPDIR = @DEPDIR@
NOEXCEPTION_FLAGS = @noexception_flags@
+PICFLAG = @PICFLAG@
datarootdir = @datarootdir@
datadir = @datadir@
INCLUDES = -I$(srcdir) -I. -I$(srcdir)/../include @INCINTL@ \
-I$(srcdir)/include
-ALL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(INCLUDES) $(CPPFLAGS)
+ALL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(INCLUDES) $(CPPFLAGS) $(PICFLAG)
ALL_CXXFLAGS = $(CXXFLAGS) $(WARN_CXXFLAGS) $(NOEXCEPTION_FLAGS) $(INCLUDES) \
- $(CPPFLAGS)
+ $(CPPFLAGS) $(PICFLAG)
# The name of the compiler to use.
COMPILER = $(CXX)
#endif"
ac_subst_vars='LTLIBOBJS
+PICFLAG
MAINT
USED_CATALOGS
PACKAGE
enable_maintainer_mode
enable_checking
enable_canonical_system_headers
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
other strings
--enable-canonical-system-headers
enable or disable system headers canonicalization
+ --enable-host-shared build host code as shared libraries
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
esac
+# Enable --enable-host-shared.
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+ PICFLAG=
+fi
+
+
+
# Output.
ac_config_headers="$ac_config_headers config.h:config.in"
[Define to 1 if you can assemble SSE4 insns.])])
esac
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
# Output.
AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * Makefile.in (PICFLAG): New.
+ (ALL_CFLAGS): Add PICFLAG.
+ * configure.ac: Add --enable-host-shared, setting up new
+ PICFLAG variable.
+ * configure: Regenerate.
+
2013-07-09 Simon Baldwin <simonb@google.com>
* configure.ac: Add AC_CONFIG_AUX_DIR.
LDFLAGS = @LDFLAGS@
LIBICONV = @LIBICONV@
PACKAGE = @PACKAGE@
+PICFLAG = @PICFLAG@
RANLIB = @RANLIB@
SHELL = @SHELL@
objext = @OBJEXT@
INCLUDES = -I$(srcdir) -I.
-ALL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(INCLUDES) $(CPPFLAGS)
+ALL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(INCLUDES) $(CPPFLAGS) $(PICFLAG)
bid_OBJS = bid2dpd_dpd2bid.$(objext) host-ieee32.$(objext) \
host-ieee64.$(objext) host-ieee128.$(objext)
ac_subst_vars='LTLIBOBJS
LIBOBJS
+PICFLAG
ADDITIONAL_OBJS
enable_decimal_float
target_os
enable_werror_always
enable_maintainer_mode
enable_decimal_float
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
enable decimal float extension to C. Selecting 'bid'
or 'dpd' choses which decimal floating point format
to use
+ --enable-host-shared build host code as shared libraries
Some influential environment variables:
CC C compiler command
esac
+# Enable --enable-host-shared.
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+ PICFLAG=
+fi
+
+
+
# Output.
ac_config_headers="$ac_config_headers config.h:config.in"
AC_C_BIGENDIAN
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
# Output.
AC_CONFIG_HEADERS(config.h:config.in, [echo timestamp > stamp-h1])
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * configure.ac: If --enable-host-shared, use -fPIC.
+ * configure: Regenerate.
+
2013-10-11 Paul Pluzhnikov <ppluzhnikov@google.com>
* cp-demangle.c (d_name): Demangle local-source-names.
"") shared=no ;;
*) shared=yes ;;
esac
+
+# ...unless --enable-host-shared was passed from top-level config:
+if [ "${enable_host_shared}" = "yes" ]; then
+ shared=yes
+fi
+
if [ "${shared}" != "yes" ]; then
PICFLAG=
fi
"") shared=no ;;
*) shared=yes ;;
esac
+
+# ...unless --enable-host-shared was passed from top-level config:
+if [[ "${enable_host_shared}" = "yes" ]]; then
+ shared=yes
+fi
+
if [[ "${shared}" != "yes" ]]; then
PICFLAG=
fi
+2013-10-15 David Malcolm <dmalcolm@redhat.com>
+
+ * configure.ac: Add --enable-host-shared, setting up new
+ PICFLAG variable.
+ * Makefile.am: Add PICFLAG to libz_a_CFLAGS.
+ * Makefile.in: Regenerate.
+ * configure: Regenerate.
+
2013-09-20 Alan Modra <amodra@gmail.com>
* configure: Regenerate.
else
toolexeclib_LIBRARIES = libz.a
libz_a_SOURCES = $(ZLIB_SOURCES)
-libz_a_CFLAGS = $(AM_CFLAGS)
+libz_a_CFLAGS = $(AM_CFLAGS) $(PICFLAG)
endif
# Work around what appears to be a GNU make bug handling MAKEFLAGS
PACKAGE_URL = @PACKAGE_URL@
PACKAGE_VERSION = @PACKAGE_VERSION@
PATH_SEPARATOR = @PATH_SEPARATOR@
+PICFLAG = @PICFLAG@
RANLIB = @RANLIB@
SED = @SED@
SET_MAKE = @SET_MAKE@
@TARGET_LIBRARY_TRUE@libzgcj_convenience_la_SOURCES = $(ZLIB_SOURCES)
@TARGET_LIBRARY_FALSE@toolexeclib_LIBRARIES = libz.a
@TARGET_LIBRARY_FALSE@libz_a_SOURCES = $(ZLIB_SOURCES)
-@TARGET_LIBRARY_FALSE@libz_a_CFLAGS = $(AM_CFLAGS)
+@TARGET_LIBRARY_FALSE@libz_a_CFLAGS = $(AM_CFLAGS) $(PICFLAG)
# Work around what appears to be a GNU make bug handling MAKEFLAGS
# values defined in terms of make variables, as is the case for CC and
am__EXEEXT_TRUE
LTLIBOBJS
LIBOBJS
+PICFLAG
TARGET_LIBRARY_FALSE
TARGET_LIBRARY_TRUE
toolexeclibdir
enable_fast_install
with_gnu_ld
enable_libtool_lock
+enable_host_shared
'
ac_precious_vars='build_alias
host_alias
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
+ --enable-host-shared build host code as shared libraries
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10403 "configure"
+#line 10406 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10509 "configure"
+#line 10512 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
multilib_arg=
fi
+# Check whether --enable-host-shared was given.
+if test "${enable_host_shared+set}" = set; then :
+ enableval=$enable_host_shared; PICFLAG=-fPIC
+else
+ PICFLAG=
+fi
+
+
+
ac_config_files="$ac_config_files Makefile"
cat >confcache <<\_ACEOF
multilib_arg=
fi
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[PICFLAG=-fPIC], [PICFLAG=])
+AC_SUBST(PICFLAG)
+
AC_CONFIG_FILES([Makefile])
AC_OUTPUT