Just passing -undefined dynamic_lookup isn't enough: we also need to set
the MACOSX_DEPLOYMENT_TARGET environment variable to 10.3 when calling the
loader. And we do this with "env" because distutils apparently doesn't
understand environment variable assignments before command names.
diff --git a/Mac/OSX/fixapplepython23.py b/Mac/OSX/fixapplepython23.py
index 4547347..c2b1f4e 100644
--- a/Mac/OSX/fixapplepython23.py
+++ b/Mac/OSX/fixapplepython23.py
@@ -18,7 +18,7 @@
MAKEFILE='/System/Library/Frameworks/Python.framework/Versions/2.3/lib/python2.3/config/Makefile'
OLD_LDSHARED='LDSHARED=\t$(CC) $(LDFLAGS) -bundle -framework $(PYTHONFRAMEWORK)\n'
OLD_BLDSHARED='B' + OLD_LDSHARED
-NEW_LDSHARED='LDSHARED=\t$(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
+NEW_LDSHARED='LDSHARED=\tenv MACOSX_DEPLOYMENT_TARGET=10.3 $(CC) $(LDFLAGS) -bundle -undefined dynamic_lookup\n'
NEW_BLDSHARED='B' + NEW_LDSHARED
def findline(lines, start):