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| author | Ingo Molnar <mingo@kernel.org> | 2013-09-30 16:35:27 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 10:48:37 +0400 |
| commit | b7bcef6f8e61580e883672b6c97148d4f89e9874 (patch) | |
| tree | 956f21825ffea5bbeecc62025d6eafe479bbbfe4 /tools/perf/config | |
| parent | 8869b17ee0bdd0da3d1f7d7ced284ab444c2c6d8 (diff) | |
| download | linux-b7bcef6f8e61580e883672b6c97148d4f89e9874.tar.xz | |
tools/perf/build: Split out feature check: 'libelf-getphdrnum'
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/n/tip-wa9qstb8erbjreLxiHepzjfw@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/config')
| -rw-r--r-- | tools/perf/config/Makefile | 5 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-libelf-getphdrnum.c | 7 |
3 files changed, 14 insertions, 2 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index bf1f021d2467..718b47611340 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -112,6 +112,7 @@ FEATURE_TESTS = \ glibc \ dwarf \ libelf-mmap \ + libelf-getphdrnum \ libnuma $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test))) @@ -207,7 +208,7 @@ ifndef NO_LIBELF CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT endif - ifeq ($(call try-cc,$(SOURCE_ELF_GETPHDRNUM),$(FLAGS_LIBELF),-DHAVE_ELF_GETPHDRNUM_SUPPORT),y) + ifeq ($(feature-libelf-getphdrnum), 1) CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT endif @@ -230,7 +231,7 @@ ifndef NO_LIBELF CFLAGS += -DHAVE_LIBELF_SUPPORT ifeq ($(feature-libelf-mmap), 1) CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT - endif # try-cc + endif endif # NO_LIBELF # There's only x86 (both 32 and 64) support for CFI unwind so far diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index bf96e34509f4..83b3a02b64d8 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -10,6 +10,7 @@ FILES= \ test-glibc \ test-dwarf \ test-libelf-mmap \ + test-libelf-getphdrnum \ test-libnuma CC := $(CC) -MD @@ -50,6 +51,9 @@ test-dwarf: test-libelf-mmap: $(BUILD) -lelf +test-libelf-getphdrnum: + $(BUILD) -lelf + test-libnuma: $(BUILD) -lnuma diff --git a/tools/perf/config/feature-checks/test-libelf-getphdrnum.c b/tools/perf/config/feature-checks/test-libelf-getphdrnum.c new file mode 100644 index 000000000000..58eca5332520 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libelf-getphdrnum.c @@ -0,0 +1,7 @@ +#include <libelf.h> +# +int main(void) +{ + size_t dst; + return elf_getphdrnum(0, &dst); +} |