kbuild: Fix recordmcount dependency for OOT modules

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.

Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name kbuild-fix-recordmcount-dependency.patch

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index b734ac8a654ecd8a6151e82b4f0817b7e79fcb96..62c97e7fb209020c3cf3db78dd8ca7d44c38b673 100644 (file)
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -191,6 +191,11 @@ cmd_record_mcount = $(if $(findstring $(strip $(CC_FLAGS_FTRACE)),$(_c_flags)),
 endif # CC_USING_RECORD_MCOUNT
 endif # CONFIG_FTRACE_MCOUNT_RECORD
 
+# Don't require recordmcount source for an OOT build.
+ifdef KBUILD_EXTMOD
+recordmcount_source :=
+endif
+
 ifdef CONFIG_STACK_VALIDATION
 ifneq ($(SKIP_STACK_VALIDATION),1)