CARES_CHECK_OPTION_CURLDEBUG
CARES_CHECK_OPTION_SYMBOL_HIDING
-CARES_CHECK_PATH_SEPARATOR_REQUIRED
+XC_CHECK_PATH_SEPARATOR
dnl SED is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
rm -f ${srcdir}/ares_build.h
fi
-AM_INIT_AUTOMAKE
-
dnl
dnl Detect the canonical host and target build environment
dnl
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])
-CARES_CHECK_PROG_CC
-AM_PROG_CC_C_O
-AC_PROG_INSTALL
+XC_CHECK_PROG_CC
+
+AM_INIT_AUTOMAKE
dnl This defines _ALL_SOURCE for AIX
CARES_CHECK_AIX_ALL_SOURCE
;;
esac
-dnl support building of Windows DLLs
-AC_LIBTOOL_WIN32_DLL
-
-dnl force libtool to build static libraries with PIC on AMD64-Linux & FreeBSD
-AC_MSG_CHECKING([if arch-OS host is AMD64-Linux/FreeBSD (to build static libraries with PIC)])
-case $host in
- x86_64*linux*|amd64*freebsd*|ia64*freebsd*)
- AC_MSG_RESULT([yes])
- with_pic=yes
- ;;
- *)
- AC_MSG_RESULT([no])
- ;;
-esac
-
-AC_MSG_CHECKING([if compiler is icc (to build with PIC)])
-case $CC in
- icc | */icc)
- AC_MSG_RESULT([yes])
- with_pic=yes
- ;;
- *)
- AC_MSG_RESULT([no])
- ;;
-esac
-
-dnl libtool setup
-AC_PROG_LIBTOOL
-
-AC_MSG_CHECKING([if we need CARES_BUILDING_LIBRARY])
-use_cppflag_cares_building_library="no"
-use_cppflag_cares_staticlib="no"
-CPPFLAG_CARES_STATICLIB=""
-case $host in
- *-*-mingw*)
- AC_MSG_RESULT(yes)
- use_cppflag_cares_building_library="yes"
- AC_MSG_CHECKING([if we need CARES_STATICLIB])
- if test "X$enable_shared" = "Xno"
- then
- AC_MSG_RESULT(yes)
- use_cppflag_cares_staticlib="yes"
- CPPFLAG_CARES_STATICLIB="-DCARES_STATICLIB"
- else
- AC_MSG_RESULT(no)
- fi
- ;;
- *)
- AC_MSG_RESULT(no)
- ;;
-esac
-AM_CONDITIONAL(USE_CPPFLAG_CARES_BUILDING_LIBRARY, test x$use_cppflag_cares_building_library = xyes)
-AM_CONDITIONAL(USE_CPPFLAG_CARES_STATICLIB, test x$use_cppflag_cares_staticlib = xyes)
-AC_SUBST(CPPFLAG_CARES_STATICLIB)
+XC_LIBTOOL
+
+#
+# Automake conditionals based on libtool related checks
+#
+
+AM_CONDITIONAL([CARES_LT_SHLIB_USE_VERSION_INFO],
+ [test "x$xc_lt_shlib_use_version_info" = 'xyes'])
+AM_CONDITIONAL([CARES_LT_SHLIB_USE_NO_UNDEFINED],
+ [test "x$xc_lt_shlib_use_no_undefined" = 'xyes'])
+AM_CONDITIONAL([CARES_LT_SHLIB_USE_MIMPURE_TEXT],
+ [test "x$xc_lt_shlib_use_mimpure_text" = 'xyes'])
+
+#
+# Due to libtool and automake machinery limitations of not allowing
+# specifying separate CPPFLAGS or CFLAGS when compiling objects for
+# inclusion of these in shared or static libraries, we are forced to
+# build using separate configure runs for shared and static libraries
+# on systems where different CPPFLAGS or CFLAGS are mandatory in order
+# to compile objects for each kind of library. Notice that relying on
+# the '-DPIC' CFLAG that libtool provides is not valid given that the
+# user might for example choose to build static libraries with PIC.
+#
+
+#
+# Make our Makefile.am files use the staticlib CPPFLAG only when strictly
+# targeting a static library and not building its shared counterpart.
+#
+
+AM_CONDITIONAL([USE_CPPFLAG_CARES_STATICLIB],
+ [test "x$xc_lt_build_static_only" = 'xyes'])
+
+#
+# Make staticlib CPPFLAG variable and its definition visible in output
+# files unconditionally, providing an empty definition unless strictly
+# targeting a static library and not building its shared counterpart.
+#
+
+CPPFLAG_CARES_STATICLIB=
+if test "x$xc_lt_build_static_only" = 'xyes'; then
+ CPPFLAG_CARES_STATICLIB='-DCARES_STATICLIB'
+fi
+AC_SUBST([CPPFLAG_CARES_STATICLIB])
dnl **********************************************************************
dnl platform/compiler/architecture specific checks/flags
CARES_CHECK_COMPILER_PROTOTYPE_MISMATCH
CARES_CHECK_COMPILER_SYMBOL_HIDING
-CARES_CHECK_NO_UNDEFINED
-AM_CONDITIONAL(NO_UNDEFINED, test x$need_no_undefined = xyes)
-
CARES_CHECK_CURLDEBUG
AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes)
squeeze CARES_PRIVATE_LIBS
+XC_CHECK_BUILD_FLAGS
+
AC_CONFIG_FILES([Makefile libcares.pc])
AC_OUTPUT