When building perf with static linkage: make O=/build LDFLAGS="-static" -C tools/perf VF=1 DEBUG=1 ... LINK /build/util/bpf_skel/.tmp/bootstrap/bpftool /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/libelf.a(elf_compress.o): in function `__libelf_compress': (.text+0x113): undefined reference to `ZSTD_createCCtx' /usr/bin/ld: (.text+0x2a9): undefined reference to `ZSTD_compressStream2' /usr/bin/ld: (.text+0x2b4): undefined reference to `ZSTD_isError' /usr/bin/ld: (.text+0x2db): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: (.text+0x5a0): undefined reference to `ZSTD_compressStream2' /usr/bin/ld: (.text+0x5ab): undefined reference to `ZSTD_isError' /usr/bin/ld: (.text+0x6b9): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: (.text+0x835): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: (.text+0x86f): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: (.text+0x91b): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: (.text+0xa12): undefined reference to `ZSTD_freeCCtx' /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/libelf.a(elf_compress.o): in function `__libelf_decompress': (.text+0xbfc): undefined reference to `ZSTD_decompress' /usr/bin/ld: (.text+0xc04): undefined reference to `ZSTD_isError' /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/13/../../../x86_64-linux-gnu/libelf.a(elf_compress.o): in function `__libelf_decompress_elf': (.text+0xd45): undefined reference to `ZSTD_decompress' /usr/bin/ld: (.text+0xd4d): undefined reference to `ZSTD_isError' collect2: error: ld returned 1 exit status Building bpftool with static linkage also fails with the same errors: make O=/build -C tools/bpf/bpftool/ V=1 To fix the issue, explicitly link libzstd. Signed-off-by: Leo Yan <leo.yan@xxxxxxx> --- tools/bpf/bpftool/Makefile | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile index a4263dfb5e03..65b2671941e0 100644 --- a/tools/bpf/bpftool/Makefile +++ b/tools/bpf/bpftool/Makefile @@ -130,8 +130,8 @@ include $(FEATURES_DUMP) endif endif -LIBS = $(LIBBPF) -lelf -lz -LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz +LIBS = $(LIBBPF) -lelf -lz -lzstd +LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz -lzstd ifeq ($(feature-libcap), 1) CFLAGS += -DUSE_LIBCAP LIBS += -lcap -- 2.34.1