Fix build against Python 3.9

Resolves: rhbz#1817665

Signed-off-by: Stephen Gallagher <sgallagh@redhat.com>

0001-additional-valgrind-suppression-for-Python-3.9.patch

@@ -0,0 +1,37 @@
+From b1feeb990f536147d5c49c6d002b04a9436eeea2 Mon Sep 17 00:00:00 2001
+From: Merlin Mathesius <mmathesi@redhat.com>
+Date: Fri, 27 Mar 2020 13:53:13 -0500
+Subject: [PATCH] additional valgrind suppression for Python 3.9
+
+---
+ contrib/valgrind/libmodulemd-python.supp | 10 ++++++++++
+ 1 file changed, 10 insertions(+)
+
+diff --git a/contrib/valgrind/libmodulemd-python.supp b/contrib/valgrind/libmodulemd-python.supp
+index fe9814d86daa340ec1283becee78514d1d93e3ff..080669825eab28459e032488f348cf8a90455e23 100644
+--- a/contrib/valgrind/libmodulemd-python.supp
++++ b/contrib/valgrind/libmodulemd-python.supp
+@@ -54,10 +54,20 @@
+    fun:g_malloc
+    fun:g_strdup
+    ...
+    fun:PyObject_SetAttr
+ }
++{
++   Handle Python 3.9 PyMalloc confusing valgrind
++   Memcheck:Leak
++   fun:malloc
++   fun:PyThread_allocate_lock
++   ...
++   fun:Py_InitializeFromConfig
++   ...
++   fun:Py_BytesMain
++}
+ {
+    Python3 Unicode uninitialized value
+    Memcheck:Cond
+    fun:PyUnicode_Decode
+    ...
+-- 
+2.25.1
+

libmodulemd.spec

@@ -15,7 +15,7 @@
 
 Name:           %{upstream_name}%{?v2_suffix}
 Version:        2.9.2
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Module metadata manipulation library
 
 License:        MIT
@@ -46,6 +46,7 @@ BuildRequires:  help2man
 
 
 # Patches
+Patch0001: 0001-additional-valgrind-suppression-for-Python-3.9.patch
 
 
 %description
@@ -177,6 +178,10 @@ mv %{buildroot}%{_mandir}/man1/modulemd-validator.1 \
 
 
 %changelog
+* Wed Apr 01 2020 Stephen Gallagher <sgallagh@redhat.com> - 2.9.2-3
+- Fix build against Python 3.9
+- Resolves: rhbz#1817665
+
 * Wed Mar 11 2020 Stephen Gallagher <sgallagh@redhat.com> - 2.9.2-2
 - new upstream release: 2.9.2