Avoid requiring a too new gtk-doc version for building glib

We don't have new enough gtk-doc in rawhide yet.

glib2.spec

@@ -7,6 +7,9 @@ License: LGPLv2+
 URL: http://www.gtk.org
 Source0: http://download.gnome.org/sources/glib/2.65/glib-%{version}.tar.xz
 
+# Avoid requiring a too new gtk-doc version for building glib
+Patch0: gtk-doc-1-32.patch
+
 BuildRequires: chrpath
 BuildRequires: gcc
 BuildRequires: gcc-c++

gtk-doc-1-32.patch

@@ -0,0 +1,29 @@
+From 1b51f84c873f493301f889a14943f530bd821d70 Mon Sep 17 00:00:00 2001
+From: Kalev Lember <klember@redhat.com>
+Date: Mon, 22 Jun 2020 11:55:14 +0200
+Subject: [PATCH] Revert "docs: Bump gtk-doc requirement for unit tests to
+ 1.32.1"
+
+We don't have new enough gtk-doc in rawhide yet.
+
+This reverts commit 60dd272b6a21a3cadecc0d2dc448e012de946a99.
+---
+ docs/reference/meson.build | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/docs/reference/meson.build b/docs/reference/meson.build
+index a676af12d..7c3e589ab 100644
+--- a/docs/reference/meson.build
++++ b/docs/reference/meson.build
+@@ -52,7 +52,7 @@ if get_option('gtk_doc')
+   endif
+   # Check we have the minimum gtk-doc version required. Older versions won't
+   # generate correct documentation.
+-  dependency('gtk-doc', version : '>=1.32.1',
++  dependency('gtk-doc', version : '>=1.32',
+     fallback : ['gtk-doc', 'dummy_dep'],
+     default_options : ['tests=false'])
+ endif
+-- 
+2.26.2
+