Messages in this thread Patch in this message | | | From | Ingo Molnar <> | Subject | [PATCH 07/52] tools/perf/build: Split out feature check: 'volatile-register-var' | Date | Tue, 8 Oct 2013 12:10:37 +0200 |
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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-5dOevlybbwvbk3zTbcxrrqet@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> --- tools/perf/config/Makefile | 3 ++- tools/perf/config/feature-checks/Makefile | 4 ++++ tools/perf/config/feature-checks/test-volatile-register-var.c | 6 ++++++ 3 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile index 9f94912..a3de2f8 100644 --- a/tools/perf/config/Makefile +++ b/tools/perf/config/Makefile @@ -105,6 +105,7 @@ FEATURE_TESTS = \ hello \ stackprotector-all \ stackprotector \ + volatile-register-var \ libnuma $(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test))) @@ -117,7 +118,7 @@ ifeq ($(feature-stackprotector), 1) CFLAGS += -Wstack-protector endif -ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -Wvolatile-register-var,-Wvolatile-register-var),y) +ifeq ($(feature-volatile-register-var), 1) CFLAGS += -Wvolatile-register-var endif diff --git a/tools/perf/config/feature-checks/Makefile b/tools/perf/config/feature-checks/Makefile index 46b7650..5693299 100644 --- a/tools/perf/config/feature-checks/Makefile +++ b/tools/perf/config/feature-checks/Makefile @@ -3,6 +3,7 @@ FILES= \ test-hello \ test-stackprotector-all \ test-stackprotector \ + test-volatile-register-var \ test-libnuma CC := $(CC) -MD @@ -22,6 +23,9 @@ test-stackprotector-all: test-stackprotector: $(BUILD) -Werror -fstack-protector +test-volatile-register-var: + $(BUILD) -Werror -Wvolatile-register-var + test-libnuma: $(BUILD) -lnuma diff --git a/tools/perf/config/feature-checks/test-volatile-register-var.c b/tools/perf/config/feature-checks/test-volatile-register-var.c new file mode 100644 index 0000000..c9f398d --- /dev/null +++ b/tools/perf/config/feature-checks/test-volatile-register-var.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +int main(void) +{ + return puts("hi"); +} -- 1.8.3.1
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