Fix building with KBUILD_NOCMDDEP=1, which currently does not work
because it does not build built-in.o with no dependencies:
LD fs/notify/built-in.o
ld: cannot find fs/notify/dnotify/built-in.o: No such file or directory
ld: cannot find fs/notify/inotify/built-in.o: No such file or directory
ld: cannot find fs/notify/fanotify/built-in.o: No such file or directory
Signed-off-by: Rabin Vincent <rabin@xxxxxx>
---
scripts/Kbuild.include | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index ed2773e..fd31781 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -187,6 +187,10 @@ ifneq ($(KBUILD_NOCMDDEP),1)
# User may override this check using make KBUILD_NOCMDDEP=1
arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
$(filter-out $(cmd_$@), $(cmd_$(1))) )
+else
+# Ensure that files with no dependencies are built.
+built-check = $(filter $(origin cmd_$@), undefined)
+arg-check = $(if $(strip $(obj-y)),,$(built-check))
endif
# >'< substitution is for echo to work,
--
1.7.4.1
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