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https://github.com/joel16/android_kernel_sony_msm8994_rework.git
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a0f97e06a4
The variable CFLAGS is a wellknown variable and the usage by kbuild may result in unexpected behaviour. On top of that several people over time has asked for a way to pass in additional flags to gcc. This patch replace use of CFLAGS with KBUILD_CFLAGS all over the tree and enabling one to use: make CFLAGS=... to specify additional gcc commandline options. One usecase is when trying to find gcc bugs but other use cases has been requested too. Patch was tested on following architectures: alpha, arm, i386, x86_64, mips, sparc, sparc64, ia64, m68k Test was simple to do a defconfig build, apply the patch and check that nothing got rebuild. Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
34 lines
1.0 KiB
Makefile
34 lines
1.0 KiB
Makefile
#
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# Makefile for the linux kernel.
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#
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obj-y := main.o version.o mounts.o
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ifneq ($(CONFIG_BLK_DEV_INITRD),y)
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obj-y += noinitramfs.o
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else
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obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o
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endif
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obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
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mounts-y := do_mounts.o
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mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o
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mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
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mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o
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# files to be removed upon make clean
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clean-files := ../include/linux/compile.h
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# dependencies on generated files need to be listed explicitly
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$(obj)/version.o: include/linux/compile.h
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# compile.h changes depending on hostname, generation number, etc,
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# so we regenerate it always.
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# mkcompile_h will make sure to only update the
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# actual file if its content has changed.
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include/linux/compile.h: FORCE
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@echo ' CHK $@'
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
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"$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)"
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