From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Fedora Python maintainers <python-devel@lists.fedoraproject.org>
Date: Wed, 15 Jul 2020 15:41:24 +0200
Subject: [PATCH] 00174-fix-for-usr-move.patch

00174 #
Workaround for failure to set up prefix/exec_prefix when running
an embededed libpython that sets Py_SetProgramName() to a name not
on $PATH when run from the root directory due to
  https://fedoraproject.org/wiki/Features/UsrMove
e.g. cmpi-bindings under systemd (rhbz#817554):
---
 Modules/getpath.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/Modules/getpath.c b/Modules/getpath.c
index 20d1779d937..eca6d69f618 100644
--- a/Modules/getpath.c
+++ b/Modules/getpath.c
@@ -502,6 +502,24 @@ calculate_path(void)
        MAXPATHLEN bytes long.
     */
 
+    /*
+      Workaround for rhbz#817554, where an empty argv0_path erroneously
+      locates "prefix" as "/lib[64]/python2.7" due to it finding
+      "/lib[64]/python2.7/os.py" via the /lib -> /usr/lib symlink for
+      https://fedoraproject.org/wiki/Features/UsrMove
+    */
+    if (argv0_path[0] == '\0' && 0 == strcmp(prog, "cmpi_swig")) {
+        /*
+          We have an empty argv0_path, presumably because prog aka
+          Py_GetProgramName() was not found on $PATH.
+
+          Set argv0_path to "/usr/" so that search_for_prefix() and
+          search_for_exec_prefix() don't erroneously pick up
+          on /lib/ via the UsrMove symlink:
+        */
+        strcpy(argv0_path, "/usr/");
+    }
+
     if (!(pfound = search_for_prefix(argv0_path, home))) {
         if (!Py_FrozenFlag)
             fprintf(stderr,