Refer to the Mac OS X bundle_loader by the altbininstall name, so that

building distutils extension modules also works if you've only done
an altinstall. Fixes bug #677293.

configure

 #! /bin/sh
-# From configure.in Revision: 1.390 .
+# From configure.in Revision: 1.391 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.53 for python 2.3.
 #
@@ -9356,7 +9356,7 @@ then
 		else
 			# No framework, use the Python app as bundle-loader
 			BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
-			LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/$(PYTHON)'
+			LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
 		fi ;;
 	Linux*|GNU*) LDSHARED='$(CC) -shared';;
 	dgux*) LDSHARED="ld -G";;

configure.in

@@ -1081,7 +1081,7 @@ then
 		else
 			# No framework, use the Python app as bundle-loader
 			BLDSHARED="$LDSHARED "'-bundle_loader $(BUILDPYTHON)'
-			LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/$(PYTHON)'
+			LDSHARED="$LDSHARED "'-bundle_loader $(BINDIR)/python$(VERSION)$(EXE)'
 		fi ;;
 	Linux*|GNU*) LDSHARED='$(CC) -shared';;
 	dgux*) LDSHARED="ld -G";;