1 files changed, 22 insertions, 0 deletions
diff --git a/emacs/21.4/21_all_libpng14.patch b/emacs/21.4/21_all_libpng14.patch
new file mode 100644
index 0000000..cf16275
--- /dev/null
+++ b/emacs/21.4/21_all_libpng14.patch
@@ -0,0 +1,22 @@
+Fix building with libpng-1.4.
+
+--- emacs-21.4-orig/src/xfns.c
++++ emacs-21.4/src/xfns.c
+@@ -8641,7 +8641,7 @@
+ 
+       /* Check PNG signature.  */
+       if (fread (sig, 1, sizeof sig, fp) != sizeof sig
+-	  || !png_check_sig (sig, sizeof sig))
++	  || png_sig_cmp (sig, 0, sizeof sig))
+ 	{
+ 	  image_error ("Not a PNG file: `%s'", file, Qnil);
+ 	  UNGCPRO;
+@@ -8658,7 +8658,7 @@
+ 
+       /* Check PNG signature.  */
+       if (tbr.len < sizeof sig
+-	  || !png_check_sig (tbr.bytes, sizeof sig))
++	  || png_sig_cmp (tbr.bytes, 0, sizeof sig))
+ 	{
+ 	  image_error ("Not a PNG image: `%s'", img->spec, Qnil);
+ 	  UNGCPRO;