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authorRolf Eike Beer <eb@emlix.com>2019-03-26 20:48:39 +0300
committerThomas Gleixner <tglx@linutronix.de>2019-03-28 15:32:01 +0300
commit056d28d135bca0b1d0908990338e00e9dadaf057 (patch)
treee4c4bb1e57d8b4f898dedcb277441ff2555a0e65 /Makefile
parentcfa637cb20e96fe8cf44b867a7d7c34649cbf8eb (diff)
downloadlinux-056d28d135bca0b1d0908990338e00e9dadaf057.tar.xz
objtool: Query pkg-config for libelf location
If it is not in the default location, compilation fails at several points. Signed-off-by: Rolf Eike Beer <eb@emlix.com> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/91a25e992566a7968fedc89ec80e7f4c83ad0548.1553622500.git.jpoimboe@redhat.com
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile4
1 files changed, 3 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index c0a34064c574..eef3d3f87c3b 100644
--- a/Makefile
+++ b/Makefile
@@ -950,9 +950,11 @@ mod_sign_cmd = true
endif
export mod_sign_cmd
+HOST_LIBELF_LIBS = $(shell pkg-config libelf --libs 2>/dev/null || echo -lelf)
+
ifdef CONFIG_STACK_VALIDATION
has_libelf := $(call try-run,\
- echo "int main() {}" | $(HOSTCC) -xc -o /dev/null -lelf -,1,0)
+ echo "int main() {}" | $(HOSTCC) -xc -o /dev/null $(HOST_LIBELF_LIBS) -,1,0)
ifeq ($(has_libelf),1)
objtool_target := tools/objtool FORCE
else