Add various missing BuildRequires, switch to pkgconfig() syntax

- Backport upstream patch which fixes a crasher in some applications

0001-Fix-set_qdata-warning-on-accessing-NULL-gobject-prop.patch

@@ -0,0 +1,28 @@
+From 42d871eb0b08ee6d55e95cc7e4b90844919555b9 Mon Sep 17 00:00:00 2001
+From: Ivan Stankovic <ivan.stankovic@avl.com>
+Date: Tue, 21 Feb 2012 12:24:58 +0100
+Subject: [PATCH] Fix set_qdata warning on accessing NULL gobject property
+
+https://bugzilla.gnome.org/show_bug.cgi?id=661155
+---
+ gobject/pygobject.c |    4 +++-
+ 1 files changed, 3 insertions(+), 1 deletions(-)
+
+diff --git a/gobject/pygobject.c b/gobject/pygobject.c
+index 6c2f06c..70dc89a 100644
+--- a/gobject/pygobject.c
++++ b/gobject/pygobject.c
+@@ -991,7 +991,9 @@ pygobject_new(GObject *obj)
+ PyObject *
+ pygobject_new_sunk(GObject *obj)
+ {
+-    g_object_set_qdata (obj, pygobject_ref_sunk_key, GINT_TO_POINTER (1));
++    if (obj)
++       g_object_set_qdata (obj, pygobject_ref_sunk_key, GINT_TO_POINTER (1));
++       
+     return pygobject_new_full(obj, TRUE, NULL);
+ }
+ 
+-- 
+1.7.1
+

pygobject2.spec

@@ -1,12 +1,8 @@
-# Last updated for version 2.21.0
-%define glib2_version                  2.22.4
-%define python2_version                2.3.5
-
 ### Abstract ###
 
 Name: pygobject2
 Version: 2.28.6
-Release: 7%{?dist}
+Release: 8%{?dist}
 License: LGPLv2+
 Group: Development/Languages
 Summary: Python 2 bindings for GObject 
@@ -21,11 +17,14 @@ Source: http://ftp.gnome.org/pub/GNOME/sources/pygobject/2.28/pygobject-%{versio
 #   in fact it is of type 'GFlags'
 # using upstream patch (rhbz#790053)
 Patch1: fix-gio-flags.patch
+Patch2: 0001-Fix-set_qdata-warning-on-accessing-NULL-gobject-prop.patch
 
 ### Build Dependencies ###
 
-BuildRequires: glib2-devel >= %{glib2_version}
-BuildRequires: python2-devel >= %{python2_version}
+BuildRequires: pkgconfig(gio-unix-2.0)
+BuildRequires: pkgconfig(gobject-introspection-1.0)
+BuildRequires: pkgconfig(python2)
+BuildRequires: pkgconfig(cairo-gobject)
 
 # Bootstrap requirements
 BuildRequires: automake autoconf libtool
@@ -65,6 +64,7 @@ This package contains documentation files for %{name}.
 %prep
 %setup -q -n pygobject-%{version}
 %patch1 -p1
+%patch2 -p1
 
 find -name '*.py' | xargs sed -i '1s|^#!python|#!%{__python}|'
 
@@ -123,6 +123,10 @@ rm examples/Makefile*
 %{_datadir}/pygobject/xsl
 
 %changelog
+* Tue Jan 22 2013 Colin Walters <walters@redhat.com> - 2.28.6-8
+- Add various missing BuildRequires, switch to pkgconfig() syntax
+- Backport upstream patch which fixes a crasher in some applications
+
 * Fri Jul 27 2012 Ville Skyttä <ville.skytta@iki.fi> - 2.28.6-7
 - Add ldconfig post(un)install scriptlets.