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kbuild: honor HOSTCFLAGS and HOSTLDFLAGS in libelf test

Message ID 20180701130733.7781-1-hias@horus.com (mailing list archive)
State New, archived
Headers show

Commit Message

Matthias Reichl July 1, 2018, 1:07 p.m. UTC 
Since commit 596a9f6768af ("objtool: Support HOSTCFLAGS and HOSTLDFLAGS")
objtool can use a libelf installed in a non-standard location by
passing in appropriate HOST flags.

The libelf check in the main Makefile is done without these flags
and fails if no libelf is installed on the system.

Fix this by adding HOSTCFLAGS and HOSTLDFLAGS to the libelf check.

Signed-off-by: Matthias Reichl <hias@horus.com>
---
 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/Makefile b/Makefile
index c9132594860b..b0485fddc554 100644
--- a/Makefile
+++ b/Makefile
@@ -933,7 +933,7 @@  export mod_sign_cmd
 
 ifdef CONFIG_STACK_VALIDATION
   has_libelf := $(call try-run,\
-		echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0)
+		echo "int main() {}" | $(HOSTCC) $(HOSTCFLAGS) -xc -o /dev/null -lelf $(HOSTLDFLAGS) -,1,0)
   ifeq ($(has_libelf),1)
     objtool_target := tools/objtool FORCE
   else