gcc/lto-plugin/configure.ac
Thomas Schwinge 2a7a8388e2 Allow overriding the libiberty used for building the LTO plugin.
lto-plugin/
	* configure.ac (--with-libiberty): New configure option.
	* configure: Regenerate.
	* Makefile.am (libiberty, libiberty_noasan, libiberty_pic): New
	variables.
	(liblto_plugin_la_LIBADD, liblto_plugin_la_LDFLAGS)
	(liblto_plugin_la_DEPENDENCIES): Use them.
	* Makefile.in: Regenerate.

From-SVN: r211642
2014-06-13 16:30:46 +02:00

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AC_PREREQ(2.64)
AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
AC_CANONICAL_SYSTEM
GCC_TOPLEV_SUBDIRS
AM_INIT_AUTOMAKE([foreign no-dist])
AM_MAINTAINER_MODE
AC_ARG_WITH(libiberty,
[AS_HELP_STRING([--with-libiberty=PATH],
[specify the directory where to find libiberty [../libiberty]])],
[], with_libiberty=../libiberty)
AC_SUBST(with_libiberty)
AC_PROG_CC
AC_SYS_LARGEFILE
ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
# Check whether -static-libgcc is supported.
saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -static-libgcc"
AC_MSG_CHECKING([for -static-libgcc])
AC_LINK_IFELSE([
int main() {}], [have_static_libgcc=yes], [have_static_libgcc=no])
AC_MSG_RESULT($have_static_libgcc);
LDFLAGS="$saved_LDFLAGS"
# Need -Wc to get it through libtool.
if test "x$have_static_libgcc" = xyes; then
ac_lto_plugin_ldflags="-Wc,-static-libgcc"
fi
AC_SUBST(ac_lto_plugin_ldflags)
AM_PROG_LIBTOOL
ACX_LT_HOST_FLAGS
AC_SUBST(target_noncanonical)
AC_TYPE_INT64_T
AC_TYPE_UINT64_T
AC_HEADER_SYS_WAIT
AC_CONFIG_FILES(Makefile)
AC_CONFIG_HEADERS(config.h)
AC_OUTPUT