kbuild: Do not pick up ARCH_{CPP,A,C}FLAGS from the environment



Initialize the ARCH_* overrides before including the arch Makefile, to
avoid picking up the values from the environment. The variables can
still be overriden on the make command line, but this won't happen
by accident.

Signed-off-by: Michal Marek <mmarek@suse.com>

parent d770e558

Makefile

+5 −0

Original line number	Diff line number	Diff line
		@@ -597,6 +597,11 @@ endif # $(dot-config)
		# Defaults to vmlinux, but the arch makefile usually adds further targets
		all: vmlinux

		# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default
		# values of the respective KBUILD_* variables
		ARCH_CPPFLAGS :=
		ARCH_AFLAGS :=
		ARCH_CFLAGS :=
		include arch/$(SRCARCH)/Makefile

		KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)