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| author | Ingo Molnar <mingo@kernel.org> | 2013-09-30 16:20:25 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-10-09 10:48:34 +0400 |
| commit | 8f7f8005f526c23d3e5537f5ab68c1c3fb422453 (patch) | |
| tree | 3406f43154578937976b5f9b8b056d7bb51050cc | |
| parent | 50eed7a71ebaf6676be8c497192b978f07581326 (diff) | |
| download | linux-8f7f8005f526c23d3e5537f5ab68c1c3fb422453.tar.xz | |
tools/perf/build: Split out feature check: 'libelf'
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-qznhihaasbysfqO7ffvRsf9q@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
| -rw-r--r-- | tools/perf/config/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/Makefile | 4 | ||||
| -rw-r--r-- | tools/perf/config/feature-checks/test-libelf.c | 7 |
3 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index a2e0e1b200c3..68654281b973 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -108,6 +108,7 @@ FEATURE_TESTS = \ volatile-register-var \ fortify-source \ bionic \ + libelf \ libnuma $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test))) @@ -164,8 +165,7 @@ ifdef NO_LIBELF NO_DEMANGLE := 1 NO_LIBUNWIND := 1 else - FLAGS_LIBELF=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) - ifneq ($(call try-cc,$(SOURCE_LIBELF),$(FLAGS_LIBELF),libelf),y) + ifeq ($(feature-libelf), 0) FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS) ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y) LIBC_SUPPORT := 1 diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 191df97a031d..789a38d21a34 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -6,6 +6,7 @@ FILES= \ test-volatile-register-var \ test-fortify-source \ test-bionic \ + test-libelf \ test-libnuma CC := $(CC) -MD @@ -34,6 +35,9 @@ test-fortify-source: test-bionic: $(BUILD) +test-libelf: + $(BUILD) -lelf + test-libnuma: $(BUILD) -lnuma diff --git a/tools/perf/config/feature-checks/test-libelf.c b/tools/perf/config/feature-checks/test-libelf.c new file mode 100644 index 000000000000..1a08f9717344 --- /dev/null +++ b/tools/perf/config/feature-checks/test-libelf.c @@ -0,0 +1,7 @@ +#include <libelf.h> + +int main(void) +{ + Elf *elf = elf_begin(0, ELF_C_READ, 0); + return (long)elf; +} |