[PATCH] Patch Qt 5.4 for i686.

[Taylan Ulrich Bayırlı/Kammer]

It will take my machine another ~7 hours to build Qt so that I can
verify that this works; on the meanwhile sending it in FYI and for
stylistic review.

>From eb8f5f90684e141c4055c9e484629a2c7d731a06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Taylan=20Ulrich=20Bay=C4=B1rl=C4=B1/Kammer?=
 <address@hidden>
Date: Fri, 24 Apr 2015 10:43:57 +0200
Subject: [PATCH] Patch Qt 5.4 for i686.

See <https://bugreports.qt.io/browse/QTBUG-45205>.

* gnu/packages/patches/qt5-conflicting-typedefs.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/qt.scm (qt): Add the patch.
---
 gnu-system.am                                      |  1 +
 .../patches/qt5-conflicting-typedefs.patch         | 45 ++++++++++++++++++++++
 gnu/packages/qt.scm                                |  3 +-
 3 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/qt5-conflicting-typedefs.patch

diff --git a/gnu-system.am b/gnu-system.am
index 13d06fb..8e5d43b 100644
--- a/gnu-system.am
+++ b/gnu-system.am
@@ -526,6 +526,7 @@ dist_patch_DATA =                                           
\
   gnu/packages/patches/python2-pygobject-2-gi-info-type-error-domain.patch \
   gnu/packages/patches/qt4-ldflags.patch                       \
   gnu/packages/patches/qt4-tests.patch                         \
+  gnu/packages/patches/qt5-conflicting-typedefs.patch          \
   gnu/packages/patches/qt5-runpath.patch                       \
   gnu/packages/patches/ratpoison-shell.patch                   \
   gnu/packages/patches/readline-link-ncurses.patch             \
diff --git a/gnu/packages/patches/qt5-conflicting-typedefs.patch 
b/gnu/packages/patches/qt5-conflicting-typedefs.patch
new file mode 100644
index 0000000..f96390e
--- /dev/null
+++ b/gnu/packages/patches/qt5-conflicting-typedefs.patch
@@ -0,0 +1,45 @@
+From 5c45e53ee2f8ab39f3471eaf5f9636c68f3c3960 Mon Sep 17 00:00:00 2001
+From: Andras Becsi <address@hidden>
+Date: Wed, 11 Mar 2015 13:15:30 +0100
+Subject: <third_party/mesa> Fix conflicting declaration errors due to
+ duplicate typedefs
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Due to cascading includes to QtWebEngine core GLintptr and GLsizeiptr
+might end up being defined twice if compiling with some embedded
+toolchains like for the colibri-vf setup, due to chromium's
+gles2_cmd_format.h also defining these typedefs unconditionally.
+Prevent the conflicting definitions by guarding them with
+BUILDING_CHROMIUM which we define when compiling QtWebEngineCore.
+
+Change-Id: I33719c08300211f4ad304efa3e7a5326136bb3cf
+Reviewed-by: Michael Brüning <address@hidden>
+---
+ chromium/third_party/mesa/src/include/GL/glext.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/chromium/third_party/mesa/src/include/GL/glext.h 
b/chromium/third_party/mesa/src/include/GL/glext.h
+index cb19ed4..1b78767 100644
+--- a/chromium/third_party/mesa/src/include/GL/glext.h
++++ b/chromium/third_party/mesa/src/include/GL/glext.h
+@@ -6148,6 +6148,7 @@ typedef char GLchar;
+ #endif
+ 
+ #ifndef GL_VERSION_1_5
++#ifndef BUILDING_CHROMIUM
+ /* GL types for handling large vertex buffer objects */
+ #ifdef _WIN64
+ typedef signed   long long int GLintptr;
+@@ -6157,6 +6158,7 @@ typedef signed   long  int     GLintptr;
+ typedef signed   long  int     GLsizeiptr;
+ #endif
+ #endif
++#endif
+ 
+ #ifndef GL_ARB_vertex_buffer_object
+ /* GL types for handling large vertex buffer objects */
+-- 
+cgit v0.11.0
+
diff --git a/gnu/packages/qt.scm b/gnu/packages/qt.scm
index 8de1ffe..3bc3145 100644
--- a/gnu/packages/qt.scm
+++ b/gnu/packages/qt.scm
@@ -104,7 +104,8 @@ X11 (yet).")
              (sha256
               (base32
                "0q6qzakq8xihw91xv310qi3vyylq7x2bzdkjgy8sqxii2lgbjzhv"))
-             (patches (list (search-patch "qt5-runpath.patch")))
+             (patches (list (search-patch "qt5-conflicting-typedefs.patch")
+                            (search-patch "qt5-runpath.patch")))
              (snippet
               '(begin
                  ;; Remove broken symlinks.
-- 
2.2.1