--- perlwin32/lib/ExtUtils/MM_Unix.pm.orig	2004-12-15 05:11:11.000000000 -0800
+++ perlwin32/lib/ExtUtils/MM_Unix.pm	2005-01-03 12:23:05.206360000 -0800
@@ -366,8 +366,8 @@ sub const_cccmd {
     return $self->{CONST_CCCMD} =
 	q{CCCMD = $(CC) -c $(PASTHRU_INC) $(INC) \\
 	$(CCFLAGS) $(OPTIMIZE) \\
-	$(PERLTYPE) $(MPOLLUTE) $(DEFINE_VERSION) \\
-	$(XS_DEFINE_VERSION)};
+	$(PERLTYPE) $(MPOLLUTE) "$(DEFINE_VERSION)" \\
+	"$(XS_DEFINE_VERSION)"};
 }
 
 =item const_config (o)