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From: Ben Hutchings <ben@decadent.org.uk>
Subject: kbuild: Fix recordmcount dependency for OOT modules
Date: Mon, 08 Sep 2014 18:31:24 +0100
Forwarded: no
We never rebuild anything in-tree when building an out-of-tree
modules, so external modules should not depend on the recordmcount
sources.
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -210,6 +210,11 @@ cmd_record_mcount = $(if $(findstring $(
$(sub_cmd_record_mcount))
endif # CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
+# Don't require recordmcount source for an OOT build.
+ifdef KBUILD_EXTMOD
+recordmcount_source :=
+endif
+
# 'OBJECT_FILES_NON_STANDARD := y': skip objtool checking for a directory
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'y': skip objtool checking for a file
# 'OBJECT_FILES_NON_STANDARD_foo.o := 'n': override directory skip for a file
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