diff options
| author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-27 23:30:33 +0000 |
|---|---|---|
| committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2012-11-27 23:30:33 +0000 |
| commit | 13dc0e14fec6715b148de3586f4481175801ba82 (patch) | |
| tree | eb873dbabdcb60c816a7e46922f2db1a618eb370 /configure.in | |
| parent | 4ba88161ee01c804db85a7fd3ecd562eb251d765 (diff) | |
Refix of r37904
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37911 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/configure.in b/configure.in index 09645e7a01..935d04656c 100644 --- a/configure.in +++ b/configure.in @@ -241,10 +241,9 @@ AC_ARG_WITH(arch, AC_DEFUN([RUBY_DEFAULT_ARCH], [ AC_MSG_CHECKING([arch option]) -AS_CASE([$1-$target_os], - [*64-*], [ARCH_FLAG=-m64], - [[i[3-6]86-linux]], [ARCH_FLAG=-march=$1], - [[i[3-6]86-*]], [ARCH_FLAG=-m32], +AS_CASE([$1], + [*64], [ARCH_FLAG=-m64], + [[i[3-6]86]], [ARCH_FLAG=-m32], [AC_MSG_ERROR(unknown target architecture: $target_archs)] ) AC_MSG_RESULT([$ARCH_FLAG]) @@ -1534,6 +1533,17 @@ AS_CASE(["$target_os"], [hpux*], [AC_DEFINE(SPT_TYPE,SPT_PSTAT) ], []) + AC_CACHE_CHECK([for __sync_val_compare_and_swap], [rb_cv_gcc_compiler_cas], [ + AC_TRY_LINK([unsigned long atomic_var;], + [ + __sync_val_compare_and_swap(&atomic_var, 0, 1); + ], + [rb_cv_gcc_compiler_cas=yes], + [rb_cv_gcc_compiler_cas=no])]) + if test "$rb_cv_gcc_compiler_cas" = no; then + ARCH_FLAG="-march=i486" + fi + AC_CACHE_CHECK(for signbit, rb_cv_have_signbit, [AC_TRY_LINK([ |