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| author | Song Liu <song@kernel.org> | 2021-05-10 08:49:17 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-05-21 21:47:40 +0200 |
| commit | efb0b2328196d78706a2d63c13802f45e8b87090 (patch) | |
| tree | 1a496463b0f57331a26765978ade3943aaba4da0 /tools/perf/Makefile.config | |
| parent | perf tools: Test build with libbpf/LIBBPF_DYNAMIC=1 (diff) | |
| download | linux-efb0b2328196d78706a2d63c13802f45e8b87090.tar.xz linux-efb0b2328196d78706a2d63c13802f45e8b87090.zip | |
perf build: Improve error message for old/missing clang
clang is required to build perf with BUILD_BPF_SKEL=1. Improve the
error message to highlight that:
1) clang could be either missing or too old;
2) clang is only required with BUILD_BPF_SKEL=1.
Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Song Liu <song@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Makefile.config')
| -rw-r--r-- | tools/perf/Makefile.config | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config index 406a9519145e..829e0498bd51 100644 --- a/tools/perf/Makefile.config +++ b/tools/perf/Makefile.config @@ -635,7 +635,7 @@ endif ifdef BUILD_BPF_SKEL $(call feature_check,clang-bpf-co-re) ifeq ($(feature-clang-bpf-co-re), 0) - dummy := $(error Error: clang too old. Please install recent clang) + dummy := $(error Error: clang too old/not installed. Please install recent clang to build with BUILD_BPF_SKEL) endif $(call detected,CONFIG_PERF_BPF_SKEL) CFLAGS += -DHAVE_BPF_SKEL |