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authorSam Ravnborg <sam@ravnborg.org>2010-07-28 19:33:09 +0400
committerMichal Marek <mmarek@suse.cz>2010-08-03 16:09:45 +0400
commit6588169d516560f68672e2928680b71c647b7806 (patch)
tree91b20bf9197c718ff4b5830bb1aea0b1bc0de272 /scripts/Makefile.modpost
parentd6f4ceb796ebf1a8c8a9ad4a8ea0d181aaec7de6 (diff)
downloadlinux-6588169d516560f68672e2928680b71c647b7806.tar.xz
kbuild: allow assignment to {A,C,LD}FLAGS_MODULE on the command line
It is now possible to assign options to AS, CC and LD on the command line - which is only used when building modules. {A,C,LD}FLAGS_MODULE was all used both in the top-level Makefile in the arch makefiles, thus users had no way to specify additional options to AS, CC, LD when building modules without overriding the original value. Introduce a new set of variables KBUILD_{A,C,LD}FLAGS_MODULE that is used by arch specific files and free up {A,C,LD}FLAGS_MODULE so they can be assigned on the command line. All arch Makefiles that used the old variables has been updated. Note: Previously we had a MODFLAGS variable for both AS and CC. But in favour of consistency this was dropped. So in some cases arch Makefile has one assignmnet replaced by two assignmnets. Note2: MODFLAGS was not documented and is dropped without any notice. I do not expect much/any breakage from this. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Denys Vlasenko <vda.linux@googlemail.com> Cc: Haavard Skinnemoen <hskinnemoen@atmel.com> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Tony Luck <tony.luck@intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Chen Liqin <liqin.chen@sunplusct.com> Acked-by: Mike Frysinger <vapier@gentoo.org> [blackfin] Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com> [avr32] Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/Makefile.modpost')
-rw-r--r--scripts/Makefile.modpost7
1 files changed, 4 insertions, 3 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 8f14c81abbc7..3e3f02409bbd 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -107,7 +107,7 @@ $(modules:.ko=.mod.c): __modpost ;
modname = $(notdir $(@:.mod.o=))
quiet_cmd_cc_o_c = CC $@
- cmd_cc_o_c = $(CC) $(c_flags) $(CFLAGS_MODULE) \
+ cmd_cc_o_c = $(CC) $(c_flags) $(KBUILD_CFLAGS_MODULE) $(CFLAGS_MODULE) \
-c -o $@ $<
$(modules:.ko=.mod.o): %.mod.o: %.mod.c FORCE
@@ -117,8 +117,9 @@ targets += $(modules:.ko=.mod.o)
# Step 6), final link of the modules
quiet_cmd_ld_ko_o = LD [M] $@
- cmd_ld_ko_o = $(LD) -r $(LDFLAGS) $(LDFLAGS_MODULE) -o $@ \
- $(filter-out FORCE,$^)
+ cmd_ld_ko_o = $(LD) -r $(LDFLAGS) \
+ $(KBUILD_LDFLAGS_MODULE) $(LDFLAGS_MODULE) \
+ -o $@ $(filter-out FORCE,$^)
$(modules): %.ko :%.o %.mod.o FORCE
$(call if_changed,ld_ko_o)