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Commit c2510445 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

tools/perf/build: Split out feature check: 'volatile-register-var' 

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: default avatarIngo Molnar <mingo@kernel.org>
parent 430be5ab

tools/perf/config/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -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

tools/perf/config/feature-checks/Makefile

+4 −0
Original line number Diff line number Diff line
@@ -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

tools/perf/config/feature-checks/test-volatile-register-var.c

0 → 100644
+6 −0
Original line number Diff line number Diff line 
#include <stdio.h>



int main(void)

{

	return puts("hi");

}