$OpenBSD: patch-configure,v 1.1.1.1 2012/10/12 18:13:38 bentley Exp $
--- configure.orig	Wed Aug 29 21:03:12 2012
+++ configure	Wed Aug 29 21:03:16 2012
@@ -10629,8 +10629,8 @@ fi
 CPPFLAGS="$CPPFLAGS `libpng-config --cflags`"
 LIBS="$LIBS $PNGLIBS"
 
-ac_fn_c_check_func "$LINENO" "png_check_sig" "ac_cv_func_png_check_sig"
-if test "x$ac_cv_func_png_check_sig" = x""yes; then :
+ac_fn_c_check_func "$LINENO" "png_sig_cmp" "ac_cv_func_png_sig_cmp"
+if test "x$ac_cv_func_png_sig_cmp" = x""yes; then :
 
 else
   as_fn_error "You need libpng to compile Armagetron." "$LINENO" 5
