Add a little demo/test code for the `threads' project.

[pintos-anon] / src / Makefile.kernel

diff --git a/src/Makefile.kernel b/src/Makefile.kernel
index 92522faf4b3f12a60c9e2ace9c54d3c849c53483..91146a844925c29edf1fa48bac2403986cbcb4c8 100644 (file)
--- a/src/Makefile.kernel
+++ b/src/Makefile.kernel
@@ -11,7 +11,7 @@ $(BUILD_SUBDIRS):
 build:
        $(MKDIR) $@
 build/Makefile: ../Makefile.build
-       $(LN) $< $@
+       $(LN) -f $< $@
 
 clean:
        rm -rf build