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-rw-r--r--tools/perf/config/Makefile16
1 files changed, 16 insertions, 0 deletions
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 34be7432d567..daefe2dfacad 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -89,6 +89,22 @@ CFLAGS += -std=gnu99
EXTLIBS = -lelf -lpthread -lrt -lm -ldl
+feature_check = $(eval $(feature_check_code)); $(info CHK: config/feature-checks/test-$(1))
+define feature_check_code
+ feature-$(2) := $(shell make -C config/feature-checks test-$1 >/dev/null 2>/dev/null && echo 1 || echo 0)
+endef
+
+#
+# Build the feature check binaries in parallel, ignore errors, ignore return value and suppress output:
+#
+$(info Testing features:)
+$(shell make -i -j -C config/feature-checks >/dev/null 2>&1)
+$(info done)
+
+FEATURE_TESTS = hello
+
+$(foreach test,$(FEATURE_TESTS),$(call feature_check,$(test),$(test)))
+
ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -Werror -fstack-protector-all,-fstack-protector-all),y)
CFLAGS += -fstack-protector-all
endif