png detect bug fixed

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2994 b3059339-0415-0410-9bf9-f77b7e298cf2

1 files changed, 4 insertions, 0 deletions

diff --git a/configure b/configure
index 85000cbb88..4f256de913 100755
--- a/configure
+++ b/configure
@@ -1538,6 +1538,10 @@ if test "$_png" = auto ; then
     # incompatible with the GNU libpng
     echores "disabled on irix (not GNU libpng)"
   else
+cat > $TMPC << EOF
+#include <png.h>
+int main(void) { return 0; }
+EOF
     cc_check  -lpng -lz -lm && _png=yes
     echores yes
   fi