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-rw-r--r--init/Makefile10
1 files changed, 9 insertions, 1 deletions
diff --git a/init/Makefile b/init/Makefile
index 9cd871ce578..633a268d270 100644
--- a/init/Makefile
+++ b/init/Makefile
@@ -15,6 +15,14 @@ clean-files := ../include/linux/compile.h
# dependencies on generated files need to be listed explicitly
-$(obj)/main.o: include/linux/compile.h
$(obj)/version.o: include/linux/compile.h
+# compile.h changes depending on hostname, generation number, etc,
+# so we regenerate it always.
+# mkcompile_h will make sure to only update the
+# actual file if its content has changed.
+
+include/linux/compile.h: FORCE
+ @echo ' CHK $@'
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
+ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)"