From aab9b733c23c3b900c0f98dc1465aee1a70b8ef0 Mon Sep 17 00:00:00 2001
From: "Ricardo M. Correia" <rcorreia@wizy.org>
Date: Thu, 7 Nov 2013 19:14:07 +0100
Subject: [PATCH] qimageblitz: Mark stack as non-executable (patch taken from
 Gentoo)

This allows applications such as okular and kolourpaint to run in
grsecurity kernels, which disallow executable stacks by default.
---
 pkgs/development/libraries/qimageblitz/default.nix    |  6 ++++--
 .../qimageblitz/qimageblitz-9999-exec-stack.patch     | 11 +++++++++++
 2 files changed, 15 insertions(+), 2 deletions(-)
 create mode 100644 pkgs/development/libraries/qimageblitz/qimageblitz-9999-exec-stack.patch

diff --git a/pkgs/development/libraries/qimageblitz/default.nix b/pkgs/development/libraries/qimageblitz/default.nix
index 5800b562e6b0..1f820b33e811 100644
--- a/pkgs/development/libraries/qimageblitz/default.nix
+++ b/pkgs/development/libraries/qimageblitz/default.nix
@@ -7,14 +7,16 @@ in
 
 stdenv.mkDerivation {
   name = "${pn}-${v}";
-  
+
   src = fetchurl {
     url = "mirror://sourceforge/${pn}/${pn}-${v}.tar.bz2";
     sha256 = "0pnaf3qi7rgkxzs2mssmslb3f9ya4cyx09wzwlis3ppyvf72j0p9";
   };
-  
+
   buildInputs = [ cmake qt4 ];
 
+  patches = [ ./qimageblitz-9999-exec-stack.patch ];
+
   meta = {
     description = "Graphical effect and filter library for KDE4";
     license = "BSD";
diff --git a/pkgs/development/libraries/qimageblitz/qimageblitz-9999-exec-stack.patch b/pkgs/development/libraries/qimageblitz/qimageblitz-9999-exec-stack.patch
new file mode 100644
index 000000000000..8692c240f7bb
--- /dev/null
+++ b/pkgs/development/libraries/qimageblitz/qimageblitz-9999-exec-stack.patch
@@ -0,0 +1,11 @@
+diff -uar qimageblitz/blitz/asm_scale.S qimageblitz~/blitz/asm_scale.S
+--- qimageblitz-orig/blitz/asm_scale.S	2007-10-17 01:17:57.000000000 +0200
++++ qimageblitz/blitz/asm_scale.S	2007-10-17 01:19:12.000000000 +0200
+@@ -814,3 +814,7 @@
+ SIZE(qimageScale_mmx_AARGBA)
+ 
+ #endif
++#if defined(__linux__) && defined(__ELF__)
++.section .note.GNU-stack,"",%progbits
++#endif
++