--- configure.in.orig 2014-04-14 00:46:14.000000000 +0400 +++ configure.in.orig 2014-04-14 01:38:54.597889225 +0400 @@ -856,22 +856,6 @@ 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*]], [ - 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 AC_ARG_WITH(opt-dir,