Commit 67ab80a0 authored by Eduard Zingerman's avatar Eduard Zingerman Committed by Alexei Starovoitov
Browse files

selftests/bpf: Prefer static linking for LLVM libraries 



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

Suggested-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Signed-off-by: default avatarEduard Zingerman <eddyz87@gmail.com>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Tested-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20240905081401.1894789-4-pulehui@huaweicloud.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent a48a4388

tools/testing/selftests/bpf/Makefile

+3 −5
Original line number Diff line number Diff line
@@ -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  += $(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++

  endif

  LLVM_LDFLAGS += $(shell $(LLVM_CONFIG) --ldflags)

endif