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

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 <>
parent 222d394d
......@@ -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
# Use --build-id when available.
LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\
$(call ld-option, -Wl$(comma)--build-id,))
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