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| author | Sam Ravnborg <sam@ravnborg.org> | 2010-07-28 19:11:27 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-03 14:09:45 +0200 |
| commit | 80c00ba942ee39c9a95c06959223560400bbb86e (patch) | |
| tree | c0ff9363d1e3ab372ae8ed1137b1d012c88e683a /Makefile | |
| parent | 6588169d516560f68672e2928680b71c647b7806 (diff) | |
| download | linux-80c00ba942ee39c9a95c06959223560400bbb86e.tar.bz2 | |
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 <sam@ravnborg.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -353,6 +353,8 @@ KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -Werror-implicit-function-declaration \ -Wno-format-security \ -fno-delete-null-pointer-checks +KBUILD_AFLAGS_KERNEL := +KBUILD_CFLAGS_KERNEL := KBUILD_AFLAGS := -D__ASSEMBLY__ KBUILD_AFLAGS_MODULE := -DMODULE KBUILD_CFLAGS_MODULE := -DMODULE @@ -372,6 +374,7 @@ export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE CFLAGS_GCOV export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE +export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL # When compiling out-of-tree modules, put MODVERDIR in the module # tree rather than in the kernel tree. The kernel tree might @@ -1481,6 +1484,7 @@ cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \ + $(KBUILD_AFLAGS_KERNEL) \ $(NOSTDINC_FLAGS) $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \ $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o) |