Inkscape: Work around libpng's unhappiness.

svn path=/nixpkgs/trunk/; revision=13873

pkgs/applications/graphics/inkscape/configure-python-libs.patch

···
+Work around Python misdetection and set `PYTHON_LIBS' to
+"-L/nix/store/... -lpython2.4" instead of "/nix/store/.../libpython2.4.so".
+Changed to 2.5.
+
 --- inkscape-0.45.1/configure	2007-03-20 14:56:43.000000000 +0100
 +++ inkscape-0.45.1/configure	2008-02-22 16:19:10.000000000 +0100
 @@ -10202,7 +10202,7 @@ if test "x$with_python" = "xyes"; then

pkgs/applications/graphics/inkscape/default.nix

···
     sha256 = "0flrjqa68vnnn8lrhj86xpa6h2cyzrvjy6873v9id092f86ix1li";
   };
 
-  # Work around Python misdetection and set `PYTHON_LIBS' to
-  # "-L/nix/store/... -lpython2.4" instead of "/nix/store/.../libpython2.4.so".
-  # Changed to 2.5
-  patches = [ ./configure-python-libs.patch ];
+  patches = [ ./configure-python-libs.patch ./libpng-setjmp.patch ]; 
 
   propagatedBuildInputs = [
     # Python is used at run-time to execute scripts, e.g., those from

pkgs/applications/graphics/inkscape/libpng-setjmp.patch

···
+Include <png.h> as early as possible to make sure <setjmp.h> is not
+included before it.
+
+See http://thread.gmane.org/gmane.linux.distributions.nixos/1501 .
+
+--- inkscape-0.46/src/sp-image.cpp	2008-03-11 05:19:56.000000000 +0100
++++ inkscape-0.46/src/sp-image.cpp	2009-01-26 15:34:33.000000000 +0100
+@@ -17,6 +17,8 @@
+ # include "config.h"
+ #endif
+ 
++#include <png.h>
++
+ #include <cstring>
+ #include <string>
+ #include <libnr/nr-matrix-fns.h>
+@@ -41,7 +43,6 @@
+ #include "libnr/nr-matrix-fns.h"
+ 
+ #include "io/sys.h"
+-#include <png.h>
+ #if ENABLE_LCMS
+ #include "color-profile-fns.h"
+ #include "color-profile.h"
+
+--- inkscape-0.46/src/dialogs/export.cpp	2008-03-11 05:19:54.000000000 +0100
++++ inkscape-0.46/src/dialogs/export.cpp	2009-01-26 17:01:13.000000000 +0100
+@@ -20,6 +20,7 @@
+ # include "config.h"
+ #endif
+ 
++#include <png.h>
+ #include <gtk/gtk.h>
+ #include <gtkmm/box.h>
+ #include <gtkmm/buttonbox.h>
+@@ -60,7 +61,6 @@
+ #include "io/sys.h"
+ 
+ #include "helper/png-write.h"
+-#include <png.h>
+ 
+ 
+ #define SP_EXPORT_MIN_SIZE 1.0
+
+--- inkscape-0.46/src/main.cpp	2008-03-11 05:20:50.000000000 +0100
++++ inkscape-0.46/src/main.cpp	2009-01-26 17:57:12.000000000 +0100
+@@ -26,6 +26,7 @@
+ #ifdef HAVE_CONFIG_H
+ # include "config.h"
+ #endif
++#include <png.h>
+ #include "path-prefix.h"
+ 
+ #include <gtk/gtkmessagedialog.h>
+@@ -111,7 +112,6 @@ using Inkscape::Extension::Internal::Pri
+ 
+ #include "main-cmdlineact.h"
+ 
+-#include <png.h>
+ #include <errno.h>
+ 
+ enum {