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authorMichal Marek <mmarek@suse.cz>2011-04-20 13:45:30 +0200
committerMichal Marek <mmarek@suse.cz>2011-04-20 15:39:22 +0200
commit40df759e2b9ec945f1a5ddc61b3fdfbb6583257e (patch)
tree1d727592c947dbfe33ddf89718201615488088e8 /Makefile
parenta8b8017c34fefcb763d8b06c294b58d1c480b2e4 (diff)
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kbuild: Fix build with binutils <= 2.19
The D option of ar is only available in newer versions. Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index c3bd316b16f..d7c42319fe1 100644
--- a/Makefile
+++ b/Makefile
@@ -382,6 +382,7 @@ 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
+export KBUILD_ARFLAGS
# When compiling out-of-tree modules, put MODVERDIR in the module
# tree rather than in the kernel tree. The kernel tree might
@@ -612,6 +613,9 @@ KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
# conserve stack if available
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
+# use the deterministic mode of AR if available
+KBUILD_ARFLAGS := $(call ar-option,D)
+
# check for 'asm goto'
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)
KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO