kbuild: allow assignment to {A,C}FLAGS_KERNEL on the command line

It is now possible to assign options to AS and CC
on the command line - which is only used for built-in code.

{A,C}FLAGS_KERNEL was used both in the top-level Makefile
in the arch makefiles, thus users had no way to specify
additional options to AS, CC without overriding
the original value.

Introduce a new set of variables KBUILD_{A,C}FLAGS_KERNEL
that is used by arch specific files and free up
{A,C}FLAGS_KERNEL so they can be assigned on
the command line.

All arch Makefiles that used the old variables has been updated.

Signed-off-by: Sam Ravnborg <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Hirokazu Takata <[email protected]>
Signed-off-by: Michal Marek <[email protected]>
This commit is contained in:
Sam Ravnborg 2010-07-28 19:11:27 +02:00 • committed by Michal Marek
commit 80c00ba942
6 changed files with 26 additions and 7 deletions

View file

@ -12,7 +12,7 @@ OBJCOPYFLAGS := -O binary -R .note -R .comment -S
LDFLAGS_vmlinux :=
KBUILD_CFLAGS += -pipe -fno-schedule-insns
CFLAGS_KERNEL += -mmodel=medium
KBUILD_CFLAGS_KERNEL += -mmodel=medium
KBUILD_CFLAGS_MODULE += -mmodel=large
ifdef CONFIG_CHIP_VDEC2