perf tools: Improve setting of gcc debug option
Correct debugging experience is given by passing -Og to compiler.
Do it in a way that supports older compilers
Signed-off-by: Martin Liska <mliska@suse.cz>
Acked-by: Ingo Molnar <mingo@kernel.org>
Link: http://lkml.kernel.org/r/5564393C.1090104@suse.cz
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index e3b3724..317001c 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -130,6 +130,8 @@
ifeq ($(DEBUG),0)
CFLAGS += -O6
+else
+ CFLAGS += $(call cc-option,-Og,-O0)
endif
ifdef PARSER_DEBUG