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| author | Roland McGrath <roland@gnu.org> | 2013-10-11 21:56:16 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2013-10-11 21:56:16 +0000 |
| commit | 9502638f158976cb57177af939947146ad93d33a (patch) | |
| tree | bf87280f5380335081de528c1ee6fccc00451544 /gold/configure.ac | |
| parent | 1a041db9cd15754cc49ca5834999b634360238f6 (diff) | |
| download | binutils-redhat-9502638f158976cb57177af939947146ad93d33a.tar.gz | |
gold/
* configure.ac (MERGE_CONSTANTS_FLAG): New check.
* configure: Regenerate.
* Makefile.in: Regenerate.
* testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
* testsuite/merge_string_literals_2.c: Likewise.
* testsuite/Makefile.am
(merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
(AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
literal -fmerge-constants.
* testsuite/Makefile.in: Regenerate.
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index e3e10b3dbd..4cc9569e12 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -7,12 +7,12 @@ dnl This file is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 3 of the License, or dnl (at your option) any later version. -dnl +dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. -dnl +dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; see the file COPYING3. If not see dnl <http://www.gnu.org/licenses/>. @@ -338,6 +338,19 @@ dnl Whether we can test -mcmodel=medium. AM_CONDITIONAL(MCMODEL_MEDIUM, [test "$target_cpu" = "x86_64" -a "$have_mcmodel_medium" = "yes" -a "$gold_cv_prog_gcc41" = "yes"]) +AC_CACHE_CHECK([whether $CC supports -fmerge-constants], + [gold_cv_merge_constants], [ +save_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -fmerge-constants" +AC_COMPILE_IFELSE([const char *s = "foo";], + [have_merge_constants=yes], + [have_merge_constants=no]) +CFLAGS="$save_CFLAGS"]) +AC_SUBST([MERGE_CONSTANTS_FLAG]) +AS_IF([test "$gold_cv_merge_constants" = yes], + [MERGE_CONSTANTS_FLAG=-fmerge-constants], + [MERGE_CONSTANTS_FLAG=]) + dnl Test for __thread support. AC_CACHE_CHECK([for thread support], [gold_cv_c_thread], [AC_COMPILE_IFELSE([__thread int i = 1;], |