[FFmpeg-cvslog] configure: Fix floating point conformance ith icl.

[Matt Oliver]

ffmpeg | branch: master | Matt Oliver <protogonoi at gmail.com> | Sun May 11 15:07:13 2014 +1000| [efcea0b9118461dae8afe79607f3502a2bc66c5f] | committer: Michael Niedermayer

configure: Fix floating point conformance ith icl.

Reviewed-by: Reimar Döffinger <Reimar.Doeffinger at gmx.de>
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=efcea0b9118461dae8afe79607f3502a2bc66c5f
---

 configure |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 34b161e..9394f7a 100755
--- a/configure
+++ b/configure
@@ -3359,9 +3359,9 @@ probe_cc(){
         _ld_path='-libpath:'
         # -Qdiag-error to make icl error when seeing certain unknown arguments
         _flags='-nologo -Qdiag-error:4044,10157'
-        # -Qvec- -Qsimd- to prevent miscompilation, -GS for consistency
+        # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency
         # with MSVC which enables it by default.
-        _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS'
+        _cflags='-D_USE_MATH_DEFINES -FIstdlib.h -Dstrtoll=_strtoi64 -Qms0 -Qvec- -Qsimd- -GS -fp:precise'
         if [ $pfx = hostcc ]; then
             append _cflags -Dsnprintf=_snprintf
         fi