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>
32 lines
768 B
Makefile
32 lines
768 B
Makefile
#
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# Copyright 2003 PathScale, Inc.
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#
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# Licensed under the GPL
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#
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obj-y = bug.o bugs.o delay.o fault.o ldt.o mem.o ptrace.o ptrace_user.o \
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setjmp.o sigcontext.o signal.o syscalls.o syscall_table.o sysrq.o \
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ksyms.o tls.o
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obj-$(CONFIG_MODE_SKAS) += stub.o stub_segv.o
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obj-$(CONFIG_MODULES) += um_module.o
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subarch-obj-y = lib/bitops.o lib/csum-partial.o lib/memcpy.o lib/thunk.o
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subarch-obj-$(CONFIG_MODULES) += kernel/module.o
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ldt-y = ../sys-i386/ldt.o
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USER_OBJS := ptrace_user.o sigcontext.o
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USER_OBJS += user-offsets.s
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extra-y += user-offsets.s
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extra-$(CONFIG_MODE_TT) += unmap.o
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UNPROFILE_OBJS := stub_segv.o
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CFLAGS_stub_segv.o := $(CFLAGS_NO_HARDENING)
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include arch/um/scripts/Makefile.rules
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$(obj)/unmap.%: _c_flags = $(call unprofile,$(KBUILD_CFLAGS))
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