1 files changed, 20 insertions, 0 deletions

diff --git a/Makefile.kernel b/Makefile.kernel
new file mode 100644
index 0000000..162a411
--- /dev/null
+++ b/Makefile.kernel
@@ -0,0 +1,20 @@
+# -*- makefile -*-
+
+all:
+
+include Make.vars
+
+DIRS = $(sort $(addprefix build/,$(KERNEL_SUBDIRS) $(TEST_SUBDIRS) lib/user))
+
+all grade check: $(DIRS) build/Makefile
+        cd build && $(MAKE) $@
+$(DIRS):
+        mkdir -p $@
+build/Makefile: ../Makefile.build
+        cp $< $@
+
+build/%: $(DIRS) build/Makefile
+        cd build && $(MAKE) $*
+
+clean:
+        rm -rf build