[PATCH bpf-next v3 03/10] selftests/bpf: Prefer static linking for LLVM libraries

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From: Eduard Zingerman <eddyz87@xxxxxxxxx>

It is not always convenient to have LLVM libraries installed inside CI
rootfs images, thus request static libraries from llvm-config.

Suggested-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Signed-off-by: Eduard Zingerman <eddyz87@xxxxxxxxx>
---
 tools/testing/selftests/bpf/Makefile | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index 9905e3739dd0..04716a5e43f1 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -202,11 +202,9 @@ ifeq ($(feature-llvm),1)
   LLVM_CONFIG_LIB_COMPONENTS := mcdisassembler all-targets
   # both llvm-config and lib.mk add -D_GNU_SOURCE, which ends up as conflict
   LLVM_CFLAGS  += $(filter-out -D_GNU_SOURCE,$(shell $(LLVM_CONFIG) --cflags))
-  LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --libs $(LLVM_CONFIG_LIB_COMPONENTS))
-  ifeq ($(shell $(LLVM_CONFIG) --shared-mode),static)
-    LLVM_LDLIBS += $(shell $(LLVM_CONFIG) --system-libs $(LLVM_CONFIG_LIB_COMPONENTS))
-    LLVM_LDLIBS += -lstdc++
-  endif
+  LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --link-static --libs $(LLVM_CONFIG_LIB_COMPONENTS))
+  LLVM_LDLIBS  += $(shell $(LLVM_CONFIG) --link-static --system-libs $(LLVM_CONFIG_LIB_COMPONENTS))
+  LLVM_LDLIBS  += -lstdc++
   LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags)
 endif
 
-- 
2.34.1





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