Imported from libpng-1.2.9beta8.tar
diff --git a/scripts/makefile.64sunu b/scripts/makefile.64sunu
index 764ec32..577bc5e 100644
--- a/scripts/makefile.64sunu
+++ b/scripts/makefile.64sunu
@@ -7,7 +7,7 @@
 
 LIBNAME=libpng12
 PNGMAJ = 0
-PNGMIN = 1.2.9beta7
+PNGMIN = 1.2.9beta8
 PNGVER = $(PNGMAJ).$(PNGMIN)
 
 CC=cc
@@ -126,8 +126,8 @@
 	./pngtest
 
 install-headers: png.h pngconf.h
-	-@if [ ! -d $(DI) ]; then mkdir $(DI); fi
-	-@if [ ! -d $(DI)/$(LIBNAME) ]; then mkdir $(DI)/$(LIBNAME); fi
+	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
+	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
 	cp png.h pngconf.h $(DI)/$(LIBNAME)
 	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
 	-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h
@@ -135,7 +135,7 @@
 	(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
 
 install-static: install-headers libpng.a
-	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 	cp libpng.a $(DL)/$(LIBNAME).a
 	chmod 644 $(DL)/$(LIBNAME).a
 	-@$(RM_F) $(DL)/libpng.a
@@ -143,7 +143,7 @@
 
 install-shared: install-headers $(LIBNAME).so.$(PNGVER) libpng.pc \
 	libpng.so.0.$(PNGMIN)
-	-@if [ ! -d $(DL) ]; then mkdir $(DL); fi
+	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
 	-@$(RM_F) $(DL)/$(LIBNAME).so.$(PNGVER)* $(DL)/$(LIBNAME).so
 	-@$(RM_F) $(DL)/$(LIBNAME).so.$(PNGMAJ)
 	-@$(RM_F) $(DL)/$(LIBNAME).so
@@ -159,7 +159,7 @@
 	$(LN_SF) libpng.so.0 libpng.so; \
 	$(LN_SF) $(LIBNAME).so.$(PNGVER) $(LIBNAME).so.$(PNGMAJ); \
 	$(LN_SF) $(LIBNAME).so.$(PNGMAJ) $(LIBNAME).so)
-	-@if [ ! -d $(DL)/pkgconfig ]; then mkdir $(DL)/pkgconfig; fi
+	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
 	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
 	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
 	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
@@ -167,18 +167,18 @@
 	(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
 
 install-man: libpng.3 libpngpf.3 png.5
-	-@if [ ! -d $(DM) ]; then mkdir $(DM); fi
-	-@if [ ! -d $(DM)/man3 ]; then mkdir $(DM)/man3; fi
+	-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
+	-@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
 	-@$(RM_F) $(DM)/man3/libpng.3
 	-@$(RM_F) $(DM)/man3/libpngpf.3
 	cp libpng.3 $(DM)/man3
 	cp libpngpf.3 $(DM)/man3
-	-@if [ ! -d $(DM)/man5 ]; then mkdir $(DM)/man5; fi
+	-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
 	-@$(RM_F) $(DM)/man5/png.5
 	cp png.5 $(DM)/man5
 
 install-config: libpng-config
-	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
+	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
 	-@$(RM_F) $(DB)/libpng-config
 	-@$(RM_F) $(DB)/$(LIBNAME)-config
 	cp libpng-config $(DB)/$(LIBNAME)-config