* [PATCH RESEND] jump label: pass kbuild_cflags when checking for asm goto support
@ 2017-01-20 23:43 David Lin
0 siblings, 0 replies; only message in thread
From: David Lin @ 2017-01-20 23:43 UTC (permalink / raw)
To: Michal Marek
Cc: linux-kbuild, linux-kernel, jbaron, will.deacon, rostedt, gregkh,
joelaf, David Lin
Some versions of ARM GCC compiler such as Android toolchain throws in a
'-fpic' flag by default. This causes the gcc-goto check script to fail
although some config would have '-fno-pic' flag in the KBUILD_CFLAGS.
This patch passes the KBUILD_CFLAGS to the check script so that the
script does not rely on the default config from different compilers.
Signed-off-by: David Lin <dtwlin@google.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 5f1a84735ff6..c5dec246b4ab 100644
--- a/Makefile
+++ b/Makefile
@@ -797,7 +797,7 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
KBUILD_ARFLAGS := $(call ar-option,D)
# check for 'asm goto'
-ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC)), y)
+ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y)
KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO
KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO
endif
--
2.11.0.483.g087da7b7c-goog
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