From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Quentin Monnet <qmo@kernel.org>,
Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Eduard Zingerman <eddyz87@gmail.com>,
Kumar Kartikeya Dwivedi <memxor@gmail.com>,
Martin KaFai Lau <martin.lau@linux.dev>,
Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
James Clark <james.clark@linaro.org>, Leo Yan <leo.yan@arm.com>,
linux-perf-users@vger.kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v3 3/4] bpftool: Add explicitly sequenced -lzstd to libbfd feature fallback
Date: Tue, 3 Nov 2026 20:30:05 -0800 [thread overview]
Message-ID: <20261104043006.1199857-4-irogers@google.com> (raw)
In-Reply-To: <20261104043006.1199857-1-irogers@google.com>
Distributions like Fedora ship a statically compiled binutils libbfd
that depends on zstd to decompress sections (e.g. undefined reference to
'ZSTD_decompress').
Add libbfd-liberty-z-zstd to FEATURE_TESTS and FEATURE_DISPLAY in
tools/bpf/bpftool/Makefile and append the '-lbfd -ldl -lopcodes -liberty
-lz -lzstd' branch to the libbfd fallback chain.
Acked-by: Quentin Monnet <qmo@kernel.org>
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/bpf/bpftool/Makefile | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index b0f7168e7943..1cac4508eb0c 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -125,6 +125,7 @@ FEATURE_TESTS += libcap
FEATURE_TESTS += libbfd
FEATURE_TESTS += libbfd-liberty
FEATURE_TESTS += libbfd-liberty-z
+FEATURE_TESTS += libbfd-liberty-z-zstd
FEATURE_TESTS += disassembler-four-args
FEATURE_TESTS += disassembler-init-styled
FEATURE_TESTS += libelf-zstd
@@ -135,6 +136,7 @@ FEATURE_DISPLAY += libcap
FEATURE_DISPLAY += libbfd
FEATURE_DISPLAY += libbfd-liberty
FEATURE_DISPLAY += libbfd-liberty-z
+FEATURE_DISPLAY += libbfd-liberty-z-zstd
endif
check_feat := 1
@@ -201,6 +203,8 @@ else
LIBS += -lbfd -ldl -lopcodes -liberty
else ifeq ($(feature-libbfd-liberty-z),1)
LIBS += -lbfd -ldl -lopcodes -liberty -lz
+ else ifeq ($(feature-libbfd-liberty-z-zstd),1)
+ LIBS += -lbfd -ldl -lopcodes -liberty -lz -lzstd
endif
# If one of the above feature combinations is set, we support libbfd
--
2.56.0.385.gac671c819a-goog
next prev parent reply other threads:[~2026-11-04 4:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-04 4:30 [PATCH v3 0/4] tools build: Fixes for libbfd -lzstd dependency Ian Rogers
2026-11-04 4:30 ` [PATCH v3 1/4] tools build: Add explicitly sequenced -lzstd to libbfd feature fallback Ian Rogers
2026-11-04 5:03 ` bot+bpf-ci
2026-11-04 4:30 ` [PATCH v3 2/4] perf " Ian Rogers
2026-11-04 4:30 ` Ian Rogers [this message]
2026-11-04 4:30 ` [PATCH v3 4/4] objtool: Add explicitly sequenced -lzstd to libopcodes fallback Ian Rogers
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