Index: Makefile.pre.in
===================================================================
--- Makefile.pre.in	(revision 68061)
+++ Makefile.pre.in	(working copy)
@@ -899,7 +899,7 @@
 	export PYTHONPATH; PYTHONPATH="`pwd`/Lib"; \
 	export DYLD_FRAMEWORK_PATH; DYLD_FRAMEWORK_PATH="`pwd`"; \
 	export EXE; EXE="$(BUILDEXE)"; \
-	cd $(srcdir)/Lib/$(PLATDIR); ./regen
+	cd $(srcdir)/Lib/$(PLATDIR); $(RUNSHARED) ./regen
 
 # Install the include files
 INCLDIRSTOMAKE=$(INCLUDEDIR) $(CONFINCLUDEDIR) $(INCLUDEPY) $(CONFINCLUDEPY)