X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2FMakefile.kernel;h=e31d51360ab12da6160509caf1d51c0e485f0d87;hb=b824f64f619947f0db626a5593b0affb81893017;hp=181eb23da70f61491b8cd96578bba7f800180eb0;hpb=36c106ae4742ebaf72b7ff2b3bcddcf92662ae23;p=pintos-anon

diff --git a/src/Makefile.kernel b/src/Makefile.kernel
index 181eb23..e31d513 100644
--- a/src/Makefile.kernel
+++ b/src/Makefile.kernel
@@ -2,18 +2,17 @@
 
 include Make.vars
 BUILD_SUBDIRS = $(addprefix build/, $(SUBDIRS))
-CP = cp
-MKDIR = mkdir
 
-all: build build/Makefile $(BUILD_SUBDIRS)
+all: dirs
 	$(MAKE) -C build
 
-$(BUILD_SUBDIRS):
-	$(MKDIR) $@
+dirs: build build/Makefile $(BUILD_SUBDIRS)
 build:
-	$(MKDIR) $@
+	mkdir $@
 build/Makefile: ../Makefile.build
-	$(CP) $< $@
+	cp $< $@
+$(BUILD_SUBDIRS):
+	mkdir $@
 
 clean:
 	rm -rf build