From e12762cfd9b4ec8f9bb5863eea403253175df9f1 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Mon, 7 Oct 2013 10:34:20 +0200 Subject: [PATCH] tools/perf/build: Split out feature check: 'glibc' Cc: Arnaldo Carvalho de Melo Cc: Peter Zijlstra Cc: Namhyung Kim Cc: David Ahern Cc: Jiri Olsa Link: http://lkml.kernel.org/n/tip-nqnnsptw7ivOzhzbNjiun7ds@git.kernel.org Signed-off-by: Ingo Molnar --- tools/perf/config/Makefile | 4 ++-- tools/perf/config/feature-checks/Makefile | 4 ++++ tools/perf/config/feature-checks/test-glibc.c | 8 ++++++++ 3 files changed, 14 insertions(+), 2 deletions(-) create mode 100644 tools/perf/config/feature-checks/test-glibc.c diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 6865428..8cd0fd8 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -109,6 +109,7 @@ FEATURE_TESTS = \ fortify-source \ bionic \ libelf \ + glibc \ libnuma $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test))) @@ -166,8 +167,7 @@ ifdef NO_LIBELF NO_LIBUNWIND := 1 else ifeq ($(feature-libelf), 0) - FLAGS_GLIBC=$(CFLAGS) $(LDFLAGS) - ifeq ($(call try-cc,$(SOURCE_GLIBC),$(FLAGS_GLIBC),glibc),y) + ifeq ($(feature-glibc), 1) LIBC_SUPPORT := 1 endif ifeq ($(BIONIC),1) diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 789a38d..c0569c7 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -7,6 +7,7 @@ FILES= \ test-fortify-source \ test-bionic \ test-libelf \ + test-glibc \ test-libnuma CC := $(CC) -MD @@ -38,6 +39,9 @@ test-bionic: test-libelf: $(BUILD) -lelf +test-glibc: + $(BUILD) + test-libnuma: $(BUILD) -lnuma diff --git a/tools/perf/config/feature-checks/test-glibc.c b/tools/perf/config/feature-checks/test-glibc.c new file mode 100644 index 0000000..13c66a5 --- /dev/null +++ b/tools/perf/config/feature-checks/test-glibc.c @@ -0,0 +1,8 @@ +#include + +int main(void) +{ + const char *version = gnu_get_libc_version(); + return (long)version; +} + -- 2.7.4