Fix for issue #7473.

ronaldoussoren · ronaldoussoren · commit f3500e119865 · 2010-10-20T13:10:12.000Z
Without this patch you'll get link errors in some extensions
(in particular the _curses_panel) one when you try to build
a 3-way universal framework when you previously installed a
2-way universal framework using the python.org installer.
diff --git a/Misc/NEWS b/Misc/NEWS
@@ -141,6 +141,9 @@ Build
 
 - Accept Oracle Berkeley DB 5.0 and 5.1 as backend for the dbm extension.
 
+- Issue #7473: avoid link errors when building a framework with a different
+  set of architectures than the one that is currently installed.
+
 
 What's New in Python 3.2 Alpha 3?
 =================================
diff --git a/setup.py b/setup.py
@@ -400,7 +400,12 @@ def detect_modules(self):
                     for directory in reversed(options.dirs):
                         add_dir_to_list(dir_list, directory)
 
-        if os.path.normpath(sys.prefix) != '/usr':
+        if os.path.normpath(sys.prefix) != '/usr' \
+                and not sysconfig.get_config_var('PYTHONFRAMEWORK'):
+            # OSX note: Don't add LIBDIR and INCLUDEDIR to building a framework
+            # (PYTHONFRAMEWORK is set) to avoid # linking problems when
+            # building a framework with different architectures than
+            # the one that is currently installed (issue #7473)
             add_dir_to_list(self.compiler.library_dirs,
                             sysconfig.get_config_var("LIBDIR"))
             add_dir_to_list(self.compiler.include_dirs,
