$(KBUILD_OUTPUT) specifies the output directory of kernel builds.

Use a more generic name, 'output', to better reflect this code hunk in
the context of external module builds.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
---

(no changes since v1)

 Makefile | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index deb3f01863f8..cf1d55560ae2 100644
--- a/Makefile
+++ b/Makefile
@@ -176,18 +176,20 @@ export KBUILD_EXTRA_WARN
 # The O= assignment takes precedence over the KBUILD_OUTPUT environment
 # variable.
 
-# Do we want to change the working directory?
 ifeq ("$(origin O)", "command line")
   KBUILD_OUTPUT := $(O)
 endif
 
-ifneq ($(KBUILD_OUTPUT),)
+output := $(KBUILD_OUTPUT)
+
+# Do we want to change the working directory?
+ifneq ($(output),)
 # $(realpath ...) gets empty if the path does not exist. Run 'mkdir -p' first.
-$(shell mkdir -p "$(KBUILD_OUTPUT)")
+$(shell mkdir -p "$(output)")
 # $(realpath ...) resolves symlinks
-abs_output := $(realpath $(KBUILD_OUTPUT))
-$(if $(abs_output),,$(error failed to create output directory "$(KBUILD_OUTPUT)"))
-endif # ifneq ($(KBUILD_OUTPUT),)
+abs_output := $(realpath $(output))
+$(if $(abs_output),,$(error failed to create output directory "$(output)"))
+endif
 
 ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
 $(error source directory cannot contain spaces or colons)
-- 
2.43.0