Commit-ID: c25104452de94102810e86323eabb7d9a4cad083
Gitweb: http://git.kernel.org/tip/c25104452de94102810e86323eabb7d9a4cad083
Author: Ingo Molnar <mingo@xxxxxxxxxx>
AuthorDate: Mon, 30 Sep 2013 13:58:12 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Wed, 9 Oct 2013 08:48:32 +0200
tools/perf/build: Split out feature check: 'volatile-register-var'
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-5dOevlybbwvbk3zTbcxrrqet@xxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/perf/config/Makefile | 3 ++-
tools/perf/config/feature-checks/Makefile | 4 ++++
.../feature-checks/{test-hello.c => test-volatile-register-var.c} | 0
3 files changed, 6 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-hello.c b/tools/perf/config/feature-checks/test-volatile-register-var.c
similarity index 100%
copy from tools/perf/config/feature-checks/test-hello.c
copy to tools/perf/config/feature-checks/test-volatile-register-var.c
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