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| author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-20 13:56:17 +0000 |
|---|---|---|
| committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-03-20 13:56:17 +0000 |
| commit | 78a2c1a93bd6f895f526062d496d4718bac95d06 (patch) | |
| tree | 6143c51b8a42ac7ceba96a3d5456453efd9382b8 /configure.in | |
| parent | d4e0396719a59efe924a6373de5914a54d9cb5b2 (diff) | |
merge revision(s) 39162,39163: [Backport #8080]
* configure.in: change CFLAGS temporally to test
ARCH_FLAG="-march=i486".
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39844 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 7e8a506fa6..86f6ac8271 100644 --- a/configure.in +++ b/configure.in @@ -1568,14 +1568,17 @@ AS_CASE(["$target_cpu-$target_os"], [[i[3-6]86*]], [ [rb_cv_gcc_compiler_cas=no])]) 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, |