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Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 402919d174..6ea414ece0 100644 --- a/configure.in +++ b/configure.in @@ -771,6 +771,22 @@ if test "$GCC" = yes; then for oflag in -fno-fast-math; do RUBY_TRY_CFLAGS($oflag, [RUBY_APPEND_OPTION(optflags, $oflag)]) done + AS_CASE(["$target"], + [*-darwin*], [ + # doesn't seem necessary on Mac OS X + ], + [[i[4-6]86*|i386*mingw*]], [ + RUBY_TRY_CFLAGS(-msse2 -mfpmath=sse, [ + RUBY_APPEND_OPTION(XCFLAGS, -msse2 -mfpmath=sse) + ]) + AS_CASE(["$XCFLAGS"], + [[*-msse2*]], [ + RUBY_TRY_CFLAGS(-mstackrealign, [ + RUBY_APPEND_OPTION(XCFLAGS, -mstackrealign) + ]) + ]) + ] + ) fi test -z "${ac_env_CFLAGS_set}" -a -n "${cflags+set}" && eval CFLAGS="\"$cflags $ARCH_FLAG\"" |