gst-uninstalled: symlink mesonconfig in site-packages

This is still incredibly ugly, but at least now mesonconfig
gets found, unlike before where the path where it was looked
for was the path of the sitecustomize symlink, not of its target
(https://bugs.python.org/issue6386)

diff --git a/gst-uninstalled.py b/gst-uninstalled.py
index 07832d7..befceef 100755 (executable)
--- a/gst-uninstalled.py
+++ b/gst-uninstalled.py
@@ -166,6 +166,8 @@ def python_env(options, unset_env=False):
 
     sitecustomize = os.path.join(sitepackages, "sitecustomize.py")
     overrides_hack = os.path.join(gst_python_path, "testsuite", "overrides_hack.py")
+    mesonconfig = os.path.join(gst_python_path, "testsuite", "mesonconfig.py")
+    mesonconfig_link = os.path.join(sitepackages, "mesonconfig.py")
 
     if not unset_env:
         if os.path.exists(sitecustomize):
@@ -180,12 +182,14 @@ def python_env(options, unset_env=False):
             os.makedirs(sitepackages)
 
         os.symlink(overrides_hack, sitecustomize)
+        os.symlink(mesonconfig, mesonconfig_link)
         return os.path.realpath(sitecustomize) == overrides_hack
     else:
         if not os.path.realpath(sitecustomize) == overrides_hack:
             return False
 
         os.remove(sitecustomize)
+        os.remove (mesonconfig_link)
         old_sitecustomize = os.path.join(sitepackages,
                                             "old.sitecustomize.gstuninstalled.py")