diff -Nur configure.orig configure
--- configure.orig	2013-12-16 15:45:20.000000000 +0400
+++ configure	2013-12-16 15:46:48.000000000 +0400
@@ -10629,12 +10629,12 @@
 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 "$LINENO" "png_check_sig" "ac_cv_func_png_check_sig"
+# if test "x$ac_cv_func_png_check_sig" = x""yes; then :
 
-else
-  as_fn_error "You need libpng to compile Armagetron." "$LINENO" 5
-fi
+# else
+#   as_fn_error "You need libpng to compile Armagetron." "$LINENO" 5
+# fi
 
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -ljpeg" >&5