diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-02-08 14:26:13 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-02-08 14:26:13 +0000 |
| commit | 513bfb29eae0aee2a7c0eed8527a19405dfdeed8 (patch) | |
| tree | 33e48c92cc62808fa4e507bd3bff47df931ffd12 /configure.in | |
| parent | 89ae338e97ab64a6c9af6726369e6cdc1b7db211 (diff) | |
* configure.in: change CFLAGS temporally to test
ARCH_FLAG="-march=i486".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39162 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/configure.in b/configure.in index ea57241230..e3b57d4b94 100644 --- a/configure.in +++ b/configure.in @@ -1555,13 +1555,17 @@ AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86*]], [ if test "$rb_cv_gcc_compiler_cas" = no; then unset rb_cv_gcc_compiler_cas ARCH_FLAG="-march=i486" + save_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -march=i486" AC_CACHE_CHECK([for __sync_val_compare_and_swap with -march=i486], [rb_cv_gcc_compiler_cas], [ AC_TRY_LINK([unsigned long atomic_var;], [ __sync_val_compare_and_swap(&atomic_var, 0, 1); ], - [rb_cv_gcc_compiler_cas=yes], - [rb_cv_gcc_compiler_cas=no; unset ARCH_FLAG])]) + [rb_cv_gcc_compiler_cas=yes + ARCH_FLAG="-march=i486"], + [rb_cv_gcc_compiler_cas=no])]) + CFLAGS="$save_CFLAGS" fi]) AC_CACHE_CHECK(for signbit, rb_cv_have_signbit, |