From dd6834b05415ad947c153c649eea7b2eb14ed2af Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 1 Jan 2014 02:12:38 +0000
Subject: configure.in: use SSE2

* configure.in: use SSE2 instructions for drop unexpected
  precisions.  [ruby-core:54738] [Bug #8358]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 configure.in | 1 +
 1 file changed, 1 insertion(+)

(limited to 'configure.in')

diff --git a/configure.in b/configure.in
index ad89e44b16..60ab5777ac 100644
--- a/configure.in
+++ b/configure.in
@@ -801,6 +801,7 @@ if test "$GCC" = yes; then
       # various  headers.  Most frequent  situation is  the use  of //
       # comments.   We  bypass  ANSI   C  mode  for  them.   Otherwise
       # extension libs cannot include those headers.
+      RUBY_TRY_CFLAGS(-msse2 -mfpmath=sse, [RUBY_APPEND_OPTION(XCFLAGS, -msse2 -mfpmath=sse)])
     ],
     [cygwin*|darwin*|netbsd*], [
       # need lgamma_r(), finite()
-- 
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