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authorArnaldo Carvalho de Melo <acme@redhat.com>2016-07-12 12:19:09 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-07-12 15:20:41 -0300
commit1c1a3a4729aae712c55e001e151ef008d030d4a7 (patch)
tree62fd90d09b08cf1a48eaa85ea8a21d7b2cc55b5d /tools/build/feature/Makefile
parentc8a3f7de76717a994c208e137156c077b1e93092 (diff)
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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/Makefile4
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
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