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Commit 52bcc330 authored by Sam Ravnborg's avatar Sam Ravnborg
Browse files

kbuild: enable use of AFLAGS and CFLAGS on commandline 



The previous patches was preparation.
With this patch we can now say:
make CFLAGS=-Os vmlinux

And the option specified will be appended to the
options passed to gcc for C files.

For assembler use:
make AFLAGS=-foo vmlinux
for the same functionality.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
parent 222d394d

Makefile

+4 −0
Original line number Diff line number Diff line
@@ -523,6 +523,10 @@ KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) 
# disable pointer signed / unsigned warnings in gcc 4.0

KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,)



# Add user supplied AFLAGS and CFLAGS as the last assignments

KBUILD_AFLAGS += $(AFLAGS)

KBUILD_CFLAGS += $(CFLAGS)



# Use --build-id when available.

LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\

			      $(call ld-option, -Wl$(comma)--build-id,))