Seperate Makefile and Kbuild

arch/arm/measuremore/Kbuild

+ccflags-$(CONFIG_MEASUREMORE) := -std=gnu99 -Wno-declaration-after-statement
+obj-$(CONFIG_MEASUREMORE) += measuremore.o
+measuremore-objs += trigger.o measure.o pmccntr_timestamp.o
+
+$(obj)/trigger.o: $(obj)/kernel_memo_git_commit.h $(obj)/kernel_memo_git_status.h
+
+targets += $(obj)/kernel_memo_git_commit.h $(obj)/kernel_memo_git_status.h
+
+$(obj)/kernel_memo_git_commit.h: .git/HEAD .git/index
+	echo "const char *kernel_memo_git_commit = \"$(shell git rev-parse HEAD)\";" > $@
+
+$(obj)/kernel_memo_git_status.h: FORCE
+	echo "const char *kernel_memo_git_status = \"$(shell git status --porcelain)\";" > $@

arch/arm/measuremore/Makefile

-ccflags-$(CONFIG_MEASUREMORE) := -std=gnu99 -Wno-declaration-after-statement
-obj-$(CONFIG_MEASUREMORE) += measuremore.o
-measuremore-objs += trigger.o measure.o pmccntr_timestamp.o
-
 # Assumes we are in arch/arm/measuremore.
-KERNEL=../../..
-
-all: kernel_memo_git_commit.c kernel_memo_git_status.c
-	$(MAKE) ARCH=arm CROSS_COMPILE=/usr/bin/arm-linux-gnueabi- -j 4 zImage -C $(KERNEL)
-
-kernel_memo_git_commit.c: $(KERNEL)/.git/HEAD $(KERNEL)/.git/index
-	echo "const char *kernel_memo_git_commit = \"$(shell cd $(KERNEL) && git rev-parse HEAD)\";" > $@
+KDIR=../../..
 
-kernel_memo_git_status.c: $(KERNEL)/.git/HEAD $(KERNEL)/.git/index
-	echo "const char *kernel_memo_git_status = \"$(shell cd $(KERNEL) && git status --porcelain)\";" > $@
+all:
+	$(MAKE) ARCH=arm CROSS_COMPILE=/usr/bin/arm-linux-gnueabi- -j 4 zImage -C $(KDIR)
 
 clean:
-	rm -f kernel_memo_git_commit.c kernel_memo_git_status.c *.o .*.o.cmd
+	rm -f kernel_memo_git_commit.h kernel_memo_git_status.h *.o .*.o.cmd
 
 romboot:
 	board-romboot
 
 flash_kernel:
-	./scripts/flash_kernel
+	board-flash-kernel $(KDIR)
 
 reset:
 	board-reset

arch/arm/measuremore/trigger.c

@@ -18,8 +18,8 @@
 #include "pmccntr_timestamp.h"
 #include <linux/measuremore.h>
 
-#include "kernel_memo_git_commit.c"
-#include "kernel_memo_git_status.c"
+#include "kernel_memo_git_commit.h"
+#include "kernel_memo_git_status.h"
 
 #define pr_here() pr_err("%s:%d %s called\n", __FILE__, __LINE__, __func__)