ftrace: allow architectures to specify ftrace compile options

[mirror_ubuntu-zesty-kernel.git] / Makefile

diff --git a/Makefile b/Makefile
index fd80c6e9bc2367f79f47edebb15649d23d341791..11c6fe8f708fee45d9c2ffde5aefa10b58a1bc08 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -724,10 +724,14 @@ KBUILD_CFLAGS     += $(call cc-option, -femit-struct-debug-baseonly) \
 endif
 
 ifdef CONFIG_FUNCTION_TRACER
+ifndef CC_FLAGS_FTRACE
+CC_FLAGS_FTRACE := -pg
+endif
+export CC_FLAGS_FTRACE
 ifdef CONFIG_HAVE_FENTRY
 CC_USING_FENTRY        := $(call cc-option, -mfentry -DCC_USING_FENTRY)
 endif
-KBUILD_CFLAGS  += -pg $(CC_USING_FENTRY)
+KBUILD_CFLAGS  += $(CC_FLAGS_FTRACE) $(CC_USING_FENTRY)
 KBUILD_AFLAGS  += $(CC_USING_FENTRY)
 ifdef CONFIG_DYNAMIC_FTRACE
        ifdef CONFIG_HAVE_C_RECORDMCOUNT