# --- T2-COPYRIGHT-BEGIN ---
# t2/package/*/python/fix-system-libdir.patch
# Copyright (C) 2023 - 2025 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0 or patched project license
# --- T2-COPYRIGHT-END ---

Fixes python to always respect sys.platlibdir as supplied
with ./configure --with-platlibdir=lib64 for example.

  - NoTag <notag@t2sde.org>

--- Python-3.13.5/Lib/sysconfig/__init__.py.vanilla	2025-06-25 00:05:38.070140700 +0200
+++ Python-3.13.5/Lib/sysconfig/__init__.py	2025-06-25 00:07:04.268861853 +0200
@@ -29,7 +29,7 @@
     'posix_prefix': {
         'stdlib' '{installed_base}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
         'platstdlib': '{platbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
-        'purelib': '{base}/lib/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
+        'purelib': '{base}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
         'platlib': '{platbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
         'include':
             '{installed_base}/include/{implementation_lower}{py_version_short}{abiflags}',
@@ -39,10 +39,10 @@
         'data': '{base}',
         },
     'posix_home': {
-        'stdlib': '{installed_base}/lib/{implementation_lower}',
-        'platstdlib': '{base}/lib/{implementation_lower}',
-        'purelib': '{base}/lib/{implementation_lower}',
-        'platlib': '{base}/lib/{implementation_lower}',
+        'stdlib': '{installed_base}/{platlibdir}/{implementation_lower}',
+        'platstdlib': '{base}/{platlibdir}/{implementation_lower}',
+        'purelib': '{base}/{platlibdir}/{implementation_lower}',
+        'platlib': '{base}/{platlibdir}/{implementation_lower}',
         'include': '{installed_base}/include/{implementation_lower}',
         'platinclude': '{installed_base}/include/{implementation_lower}',
         'scripts': '{base}/bin',
@@ -51,8 +51,8 @@
     'nt': {
         'stdlib': '{installed_base}/Lib',
         'platstdlib': '{base}/Lib',
-        'purelib': '{base}/Lib/site-packages',
-        'platlib': '{base}/Lib/site-packages',
+        'purelib': '{base}{platlibdir}site-packages',
+        'platlib': '{base}{platlibdir}site-packages',
         'include': '{installed_base}/Include',
         'platinclude': '{installed_base}/Include',
         'scripts': '{base}/Scripts',
@@ -79,7 +79,7 @@
     'posix_venv': {
         'stdlib': '{installed_base}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
         'platstdlib': '{platbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
-        'purelib': '{base}/lib/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
+        'purelib': '{base}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
         'platlib': '{platbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
         'include':
             '{installed_base}/include/{implementation_lower}{py_version_short}{abiflags}',
@@ -91,8 +91,8 @@
     'nt_venv': {
         'stdlib': '{installed_base}/Lib',
         'platstdlib': '{base}/Lib',
-        'purelib': '{base}/Lib/site-packages',
-        'platlib': '{base}/Lib/site-packages',
+        'purelib': '{base}{platlibdir}site-packages',
+        'platlib': '{base}{platlibdir}site-packages',
         'include': '{installed_base}/Include',
         'platinclude': '{installed_base}/Include',
         'scripts': '{base}/Scripts',
@@ -150,17 +150,17 @@
         'posix_user': {
             'stdlib': '{userbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
             'platstdlib': '{userbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}',
-            'purelib': '{userbase}/lib/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
-            'platlib': '{userbase}/lib/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
+            'purelib': '{userbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
+            'platlib': '{userbase}/{platlibdir}/{implementation_lower}{py_version_short}{abi_thread}/site-packages',
             'include': '{userbase}/include/{implementation_lower}{py_version_short}{abi_thread}',
             'scripts': '{userbase}/bin',
             'data': '{userbase}',
             },
         'osx_framework_user': {
-            'stdlib': '{userbase}/lib/{implementation_lower}',
-            'platstdlib': '{userbase}/lib/{implementation_lower}',
-            'purelib': '{userbase}/lib/{implementation_lower}/site-packages',
-            'platlib': '{userbase}/lib/{implementation_lower}/site-packages',
+            'stdlib': '{userbase}/{platlibdir}/{implementation_lower}',
+            'platstdlib': '{userbase}/{platlibdir}/{implementation_lower}',
+            'purelib': '{userbase}/{platlibdir}/{implementation_lower}/site-packages',
+            'platlib': '{userbase}/{platlibdir}/{implementation_lower}/site-packages',
             'include': '{userbase}/include/{implementation_lower}{py_version_short}',
             'scripts': '{userbase}/bin',
             'data': '{userbase}',
--- Python-3.13.5/Lib/site.py.vanilla	2025-06-24 23:58:23.660133334 +0200
+++ Python-3.13.5/Lib/site.py	2025-06-25 00:01:36.966013373 +0200
@@ -325,9 +325,9 @@
         return f'{userbase}\\{implementation}{ver_nodot}\\site-packages'
 
     if sys.platform == 'darwin' and sys._framework:
-        return f'{userbase}/lib/{implementation_lower}/site-packages'
+        return f'{userbase}/' + sys.platlibdir + '/{implementation_lower}/site-packages'
 
-    return f'{userbase}/lib/python{version[0]}.{version[1]}{abi_thread}/site-packages'
+    return f'{userbase}/' + sys.platlibdir + '/python{version[0]}.{version[1]}{abi_thread}/site-packages'
 
 
 def getuserbase():
@@ -363,7 +363,10 @@
 
         if os.sep == '/':
             libdirs = [sys.platlibdir]
-            if sys.platlibdir != "lib":
+            # Only use /lib when lib64, lib32 or else are not defined,
+            # preventing to install anything in lib the something else
+            # is already set.
+            if len(libdirs) == 0 or libdirs[0] == None:
                 libdirs.append("lib")
 
             for libdir in libdirs: