Messages in this thread | | | Date | Wed, 26 Nov 2014 14:41:53 +0000 | From | Russell King - ARM Linux <> | Subject | Re: [PATCH] ARM: kbuild: Fix forced rebuild after 'make dtbs' |
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On Wed, Nov 26, 2014 at 02:57:42PM +0100, Linus Walleij wrote: > make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > KBUILD_OUTPUT=build-u300 u300_defconfig > make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > KBUILD_OUTPUT=build-u300 zImage CONFIG_DEBUG_SECTION_MISMATCH=y > make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > KBUILD_OUTPUT=build-u300 dtbs > make -f Makefile -j5 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- > KBUILD_OUTPUT=build-u300 zImage CONFIG_DEBUG_SECTION_MISMATCH=y > > -> Rebuilds everything. > > This doesn't occur before the offending commit. So it only happens > when specifying extra environment variables on the command line.
I suspect if you also provide the CONFIG_DEBUG_SECTION_MISMATCH=y on the dtbs line, everything will work properly.
The problem is that dtbs line executes a prepare, which I guess rebuilds the bounds stuff. So, the dtbs target results in it being rebuilt without the section mismatch, and then you re-execute a make with it, causing the bounds stuff to be rebuilt again.
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