updated for version 7.2-248
diff --git a/src/Make_ming.mak b/src/Make_ming.mak
index e0717b6..ae28a3d 100644
--- a/src/Make_ming.mak
+++ b/src/Make_ming.mak
@@ -135,7 +135,7 @@
 ifndef MZSCHEME_DLLS
 MZSCHEME_DLLS=$(MZSCHEME)
 endif
-MZSCHEME_LIBDIR=-L$(MZSCHEME_DLLS)
+MZSCHEME_LIBDIR=-L$(MZSCHEME_DLLS) -L$(MZSCHEME_DLLS)\lib
 endif
 
 endif
@@ -563,6 +563,9 @@
 ifdef PERL
 	-$(DEL) if_perl.c
 endif
+ifdef MZSCHEME
+	-$(DEL) mzscheme_base.c
+endif
 	$(MAKE) -C GvimExt -f Make_ming.mak clean
 	$(MAKE) -C xxd -f Make_cyg.mak clean