perf build: Add LTO build option

[linux-2.6-microblaze.git] / tools / perf / Makefile.config

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index c5db0de..a9cfe83 100644 (file)
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -256,6 +256,11 @@ ifdef PARSER_DEBUG
   $(call detected_var,PARSER_DEBUG_FLEX)
 endif
 
+ifdef LTO
+  CORE_CFLAGS += -flto
+  CXXFLAGS += -flto
+endif
+
 # Try different combinations to accommodate systems that only have
 # python[2][3]-config in weird combinations in the following order of
 # priority from lowest to highest: