diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2026-05-03 23:27:57 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2026-05-05 22:07:05 -0300 |
| commit | 53bc032892782e54f33dfe18b86c461492a55fa4 (patch) | |
| tree | 65e2a8c14de895b011ba7d39ab6aac2a4f73bb5e /tools | |
| parent | e41cac8617a9b399bf013cda968c53927a9a0f91 (diff) | |
perf build: Add -fms-extensions for GEN_VMLINUX_H=1
On my system, `make GEN_VMLINUX_H=1` fails with a lot of error messages
like below:
./util/bpf_skel/vmlinux.h:134488:4: error: declaration does not declare anything [-Werror,-Wmissing-declarations]
134488 | struct freelist_counters;
| ^~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [Makefile.perf:1249: linux/tools/perf/util/bpf_skel/.tmp/lock_contention.bpf.o] Error 1
I saw commit 835a50753579a ("selftests/bpf: Add -fms-extensions to bpf
build flags") also added the same flags to bpf programs.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/Makefile.perf | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf index cee19c923c06..0aba14f22a06 100644 --- a/tools/perf/Makefile.perf +++ b/tools/perf/Makefile.perf @@ -1249,6 +1249,7 @@ $(SKEL_TMP_OUT)/%.bpf.o: util/bpf_skel/%.bpf.c $(LIBBPF) $(SKEL_OUT)/vmlinux.h $(QUIET_CLANG)$(CLANG) -g -O2 -fno-stack-protector --target=bpf \ $(CLANG_OPTIONS) $(EXTRA_BPF_FLAGS) $(BPF_INCLUDE) $(TOOLS_UAPI_INCLUDE) \ -include $(OUTPUT)PERF-VERSION-FILE -include util/bpf_skel/perf_version.h \ + -fms-extensions -Wno-microsoft-anon-tag \ -c $(filter util/bpf_skel/%.bpf.c,$^) -o $@ $(SKEL_OUT)/%.skel.h: $(SKEL_TMP_OUT)/%.bpf.o | $(BPFTOOL) |