2012-03-27 23:13:14 +00:00
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AC_PREREQ(2.64)
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AC_INIT([LTO plugin for ld], 0.1,,[lto-plugin])
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AC_CANONICAL_SYSTEM
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GCC_TOPLEV_SUBDIRS
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AM_INIT_AUTOMAKE([foreign no-dist])
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AM_MAINTAINER_MODE
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2015-08-28 15:33:40 +00:00
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AC_ARG_WITH(libiberty,
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[AS_HELP_STRING([--with-libiberty=PATH],
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[specify the directory where to find libiberty [../libiberty]])],
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[], with_libiberty=../libiberty)
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AC_SUBST(with_libiberty)
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2017-04-10 11:32:00 +00:00
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AC_USE_SYSTEM_EXTENSIONS
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2012-03-27 23:13:14 +00:00
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AC_PROG_CC
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AC_SYS_LARGEFILE
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ACX_PROG_CC_WARNING_OPTS([-Wall], [ac_lto_plugin_warn_cflags])
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2014-09-21 17:33:12 +00:00
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# Check whether -static-libgcc is supported.
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saved_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS -static-libgcc"
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AC_MSG_CHECKING([for -static-libgcc])
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AC_LINK_IFELSE([
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int main() {}], [have_static_libgcc=yes], [have_static_libgcc=no])
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AC_MSG_RESULT($have_static_libgcc);
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LDFLAGS="$saved_LDFLAGS"
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# Need -Wc to get it through libtool.
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if test "x$have_static_libgcc" = xyes; then
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ac_lto_plugin_ldflags="-Wc,-static-libgcc"
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fi
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AC_SUBST(ac_lto_plugin_ldflags)
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2015-08-28 15:33:40 +00:00
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if test x"$host_subdir" = x.; then
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gcc_build_dir=../gcc
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else
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gcc_build_dir=../../$host_subdir/gcc
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fi
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AC_SUBST(gcc_build_dir)
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# Used for constructing correct paths for offload compilers.
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accel_dir_suffix=
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real_target_noncanonical=${target_noncanonical}
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if test x"$enable_as_accelerator_for" != x; then
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accel_dir_suffix=/accel/${target_noncanonical}
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real_target_noncanonical=${enable_as_accelerator_for}
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fi
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AC_SUBST(accel_dir_suffix)
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AC_SUBST(real_target_noncanonical)
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2017-10-07 00:16:47 +00:00
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# Determine what GCC version number to use in filesystem paths.
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GCC_BASE_VER
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2012-03-27 23:13:14 +00:00
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AM_PROG_LIBTOOL
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ACX_LT_HOST_FLAGS
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AC_SUBST(target_noncanonical)
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AC_TYPE_INT64_T
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AC_TYPE_UINT64_T
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AC_HEADER_SYS_WAIT
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AC_CONFIG_FILES(Makefile)
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AC_CONFIG_HEADERS(config.h)
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AC_OUTPUT
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