configure: slightly more robust looking check for math functions.

I dont know on which system the prior check failed but an advanced linker on some platform might have optimized func() out as unreachable. Patch taken from http://floss.freebox.fr Author: unknown Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2011-09-13 17:29:49 +02:00
parent 8f5bb35f40
commit 9331a2ee41
1 changed files with 1 additions and 1 deletions
@@ -708,7 +708,7 @@ check_mathfunc(){
    check_ld "$@" <<EOF && enable $func
 #include <math.h>
 float foo(float f) { return $func(f); }
-int main(void){ return 0; }
+int main(void){ return (int) foo; }
 EOF
 }