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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-04 19:35:47 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-04 19:38:59 -0300 |
| commit | 2492c465ad3ae6860ebfff1c9032865017835e70 (patch) | |
| tree | 3d90bb4516d8e7bfbff757a824954c8b91a046bd /tools/perf/config | |
| parent | 4a0f65c102ec3a718b4a0b90981232b6cb019477 (diff) | |
| download | linux-2492c465ad3ae6860ebfff1c9032865017835e70.tar.bz2 | |
perf build: Add feature detection for libelf's elf_getshdrstrndx()
That appeared after 0.140, and will be used in the SDT code, so, to
avoid bisection break on older systems, add a feature detection and
provide a stub with a pr_debug() to keep it building.
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-80y0eldgweorqnwha9rvfxjr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/config')
| -rw-r--r-- | tools/perf/config/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index bf1a0a0dd0ad..c7e269a7ca37 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -309,6 +309,10 @@ ifndef NO_LIBELF CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT endif + ifeq ($(feature-libelf-getshdrstrndx), 1) + CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT + endif + ifndef NO_DWARF ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined) msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled); |