[pygobject] tests: add our own valgrind suppression file

[Christoph Reiter <creiter src gnome org>]

commit c48f60a5d9576736d86d1ef381c3e18ce7bab9ea
Author: Christoph Reiter <reiter christoph gmail com>
Date:   Tue Apr 17 15:35:44 2018 +0200

    tests: add our own valgrind suppression file
    
    Contains the two condition errors which happen with Python 3.6.5 at
    interpreter startup.

 MANIFEST.in         |  2 +-
 setup.py            |  2 ++
 tests/valgrind.supp | 39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 42 insertions(+), 1 deletion(-)
---
diff --git a/MANIFEST.in b/MANIFEST.in
index 4cee2980..b0770549 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -8,6 +8,6 @@ include README.rst
 include .gitlab-ci.yml
 recursive-include examples *.py *.png *.css *.ui *.gif *.gresource *.jpg *.xml
 recursive-include gi *.h
-recursive-include tests *.py *.c *.h *.xml
+recursive-include tests *.py *.c *.h *.xml *.supp
 recursive-include docs *.rst *.svg LICENSE *.ico *.png *.css *.py *.dia Makefile
 recursive-include .gitlab-ci *.sh *.rst *.py Dockerfile*
diff --git a/setup.py b/setup.py
index 7da106ba..0326569f 100755
--- a/setup.py
+++ b/setup.py
@@ -651,6 +651,8 @@ def get_suppression_files():
     files = []
     for prefix in prefixes:
         files.extend(get_suppression_files_for_prefix(prefix))
+
+    files.append(os.path.join(get_script_dir(), "tests", "valgrind.supp"))
     return sorted(set(files))
 
 
diff --git a/tests/valgrind.supp b/tests/valgrind.supp
new file mode 100644
index 00000000..cf067b26
--- /dev/null
+++ b/tests/valgrind.supp
@@ -0,0 +1,39 @@
+# https://bugzilla.redhat.com/show_bug.cgi?id=1538073
+
+{
+   <py36-start1>
+   Memcheck:Cond
+   fun:__wcsnlen_sse4_1
+   fun:wcsrtombs
+   fun:wcstombs
+   fun:wcstombs
+   fun:encode_current_locale
+   fun:encode_locale
+   fun:Py_EncodeLocale
+   fun:_Py_wreadlink
+   fun:calculate_path
+   fun:Py_GetProgramFullPath
+   fun:_PySys_Init
+   fun:_Py_InitializeEx_Private.part.8
+   fun:Py_Main
+   fun:main
+}
+
+{
+   <py36-start2>
+   Memcheck:Cond
+   fun:__wcsnlen_sse4_1
+   fun:wcsrtombs
+   fun:wcstombs
+   fun:wcstombs
+   fun:encode_current_locale
+   fun:encode_locale
+   fun:Py_EncodeLocale
+   fun:_Py_wreadlink
+   fun:calculate_path
+   fun:Py_GetProgramFullPath
+   fun:_PySys_Init
+   fun:_Py_InitializeEx_Private.part.8
+   fun:Py_Main
+   fun:main
+}