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.
diff --git a/configure.in b/configure.in
index 1fc6bf7..f73df53 100644
--- a/configure.in
+++ b/configure.in
@@ -1081,7 +1081,7 @@
 		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";;