diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 12:19:09 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 15:20:41 -0300 |
| commit | 1c1a3a4729aae712c55e001e151ef008d030d4a7 (patch) | |
| tree | 62fd90d09b08cf1a48eaa85ea8a21d7b2cc55b5d /tools/build/feature/Makefile | |
| parent | c8a3f7de76717a994c208e137156c077b1e93092 (diff) | |
| download | blackbird-obmc-linux-1c1a3a4729aae712c55e001e151ef008d030d4a7.tar.gz blackbird-obmc-linux-1c1a3a4729aae712c55e001e151ef008d030d4a7.zip | |
perf tools: Add feature detection for gelf_getnote()
That is not present on some libelf implementations, such as the one used
in Alpine Linux: libelf-0.8.13.
This ends up disabling the SDT code, that relies on this function.
One alternative would be to provide an weak fallback implementation or
the open coded variant used by the buildid sysfs notes reading code.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-82lh22ybedy9b9lych8xj12g@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/build/feature/Makefile')
| -rw-r--r-- | tools/build/feature/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 674711629ef0..d6017c1abdb0 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -17,6 +17,7 @@ FILES= \ test-cplus-demangle.bin \ test-libelf.bin \ test-libelf-getphdrnum.bin \ + test-libelf-gelf_getnote.bin \ test-libelf-getshdrstrndx.bin \ test-libelf-mmap.bin \ test-libnuma.bin \ @@ -99,6 +100,9 @@ $(OUTPUT)test-libelf-mmap.bin: $(OUTPUT)test-libelf-getphdrnum.bin: $(BUILD) -lelf +$(OUTPUT)test-libelf-gelf_getnote.bin: + $(BUILD) -lelf + $(OUTPUT)test-libelf-getshdrstrndx.bin: $(BUILD) -lelf |
