Make gcc ignore the distinction between +0.0 and -0.0, this allows it to

change x+0.0 to x. It does not allow gcc to remove x*0.0 though.


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@12252 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

configure

@@ -1824,6 +1824,7 @@ elif enabled optimizations; then
     fi
 fi
 check_cflags -fno-math-errno
+check_cflags -fno-signed-zeros
 
 # PIC flags for shared library objects where they are needed
 if enabled shared; then