diff options
| author | Jan Hubicka <jh@suse.cz> | 2011-01-08 02:37:00 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2011-01-08 01:37:00 +0000 |
| commit | 96bdf9b4035f9628ee214b9d773c313b065e36bf (patch) | |
| tree | 6f419805e71a133ecdcbe5137da91c38f6dab263 /gcc/configure | |
| parent | f35cafc9ff3898a2205a2089f315f19640da1041 (diff) | |
| download | gcc-96bdf9b4035f9628ee214b9d773c313b065e36bf.zip gcc-96bdf9b4035f9628ee214b9d773c313b065e36bf.tar.gz gcc-96bdf9b4035f9628ee214b9d773c313b065e36bf.tar.bz2 | |
Makefile.in: Regenerate.
* Makefile.in: Regenerate.
* Makefile.def (gcc host module) and soft dependency on lto-plugin
and configure dependency on lto-plugin configure.
(lto-plugin module): Remove dependency on GCC; add dependency on
liniberty.
* doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
and no longer claim that gold is required for linker plugin.
* configure: Regenerate.
* gcc.c (PLUGIN_COND): New macro.
(LINK_COMMAND_SPEC): Use it.
(main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
* config.in (HAVE_LTO_PLUGIN): New.
* configure.ac (--with-lto-plugin): New parameter; autodetect
HAVE_LTO_PLUGIN.
From-SVN: r168593
Diffstat (limited to 'gcc/configure')
| -rwxr-xr-x | gcc/configure | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/configure b/gcc/configure index d1a68a8..46c5285 100755 --- a/gcc/configure +++ b/gcc/configure @@ -23093,6 +23093,29 @@ $as_echo "#define HAVE_LD_DEMANGLE 1" >>confdefs.h $as_echo "$gcc_cv_ld_demangle" >&6; } fi +if test -f ../lto-plugin/Makefile ; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker plugin support" >&5 +$as_echo_n "checking linker plugin support... " >&6; } + gcc_cv_lto_plugin=no + if test $in_tree_ld = yes -a x"$ORIGINAL_PLUGIN_LD_FOR_TARGET=" = x"$gcc_cv_ld"; then + if test x"$ld_is_gold" = xyes; then + gcc_cv_lto_plugin=yes + elif test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 21 -o "$gcc_cv_gld_major_version" -gt 2; then \ + gcc_cv_lto_plugin=yes + fi + # Check if the linker supports --plugin-opt option + elif $ORIGINAL_PLUGIN_LD_FOR_TARGET --help 2>/dev/null | grep plugin-opt > /dev/null; then + gcc_cv_lto_plugin=yes + fi + if test x"$gcc_cv_lto_plugin" = xyes; then + +$as_echo "#define HAVE_LTO_PLUGIN 1" >>confdefs.h + + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_lto_plugin" >&5 +$as_echo "$gcc_cv_lto_plugin" >&6; } +fi + case "$target" in # All TARGET_ABI_OSF targets. alpha*-*-osf* | alpha*-*-linux* | alpha*-*-*bsd*) |