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authorLudovic Courtès <ludo@gnu.org>2013-07-12 22:25:30 +0200
committerLudovic Courtès <ludo@gnu.org>2013-07-12 22:25:30 +0200
commit8e5e7299d190e10238e020e36f4b1c036f32d949 (patch)
treeed8f25a87d77f50f0dd3b224c25345721f8be644 /gnu/packages/patches/plotutils-libpng-jmpbuf.patch
parentf50ad3e7773cf0b0c46f10131c5b73d5f4478c14 (diff)
downloadguix-8e5e7299d190e10238e020e36f4b1c036f32d949.tar.gz
gnu: plotutils: Allow compilation with newer libpng.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/patches/plotutils-libpng-jmpbuf.patch: New file.
* gnu/packages/plotutils.scm (plotutils): Add
  `plotutils-libpng-jmpbuf.patch' as an input, and apply it.
Diffstat (limited to 'gnu/packages/patches/plotutils-libpng-jmpbuf.patch')
-rw-r--r--gnu/packages/patches/plotutils-libpng-jmpbuf.patch23
1 files changed, 23 insertions, 0 deletions
diff --git a/gnu/packages/patches/plotutils-libpng-jmpbuf.patch b/gnu/packages/patches/plotutils-libpng-jmpbuf.patch
new file mode 100644
index 0000000000..07ef60996c
--- /dev/null
+++ b/gnu/packages/patches/plotutils-libpng-jmpbuf.patch
@@ -0,0 +1,23 @@
+Use the `png_jmpbuf' accessor, as recommended since libpng 1.4.0:
+http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt .
+
+--- plotutils-2.6/libplot/z_write.c	2013-07-12 17:19:12.000000000 +0200
++++ plotutils-2.6/libplot/z_write.c	2013-07-12 17:19:07.000000000 +0200
+@@ -164,7 +164,7 @@ _pl_z_maybe_output_image (S___(Plotter *
+     }
+ 
+   /* cleanup after libpng errors (error handler does a longjmp) */
+-  if (setjmp (png_ptr->jmpbuf))
++  if (setjmp (png_jmpbuf (png_ptr)))
+     {
+       png_destroy_write_struct (&png_ptr, (png_info **)NULL);
+       return -1;
+@@ -444,7 +444,7 @@ _our_error_fn_stdio (png_struct *png_ptr
+ #endif
+     }
+ 
+-  longjmp (png_ptr->jmpbuf, 1);
++  longjmp (png_jmpbuf (png_ptr), 1);
+ }
+ 
+ static void