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authorMasahiro Yamada <masahiroy@kernel.org>2022-11-19 04:15:50 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-11-22 23:40:02 +0900
commita2430b25c31840a6dcbf95c65415d5fee2984dbc (patch)
tree279c58348f88232abb0a350fed080547e94163c3 /scripts/Kbuild.include
parent5724ac5589ad93d35d95a845222f566175c681b8 (diff)
downloadlwn-a2430b25c31840a6dcbf95c65415d5fee2984dbc.tar.gz
lwn-a2430b25c31840a6dcbf95c65415d5fee2984dbc.zip
kbuild: add kbuild-file macro
While building, installing, cleaning, Kbuild visits sub-directories and includes 'Kbuild' or 'Makefile' that exists there. Add 'kbuild-file' macro, and reuse it from scripts/Makefie.* Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nicolas Schier <nicolas@fjasle.eu> Reviewed-by: Alexander Lobakin <alobakin@pm.me> Tested-by: Alexander Lobakin <alobakin@pm.me>
Diffstat (limited to 'scripts/Kbuild.include')
-rw-r--r--scripts/Kbuild.include5
1 files changed, 5 insertions, 0 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 2bc08ace38a3..cbe28744637b 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -41,6 +41,11 @@ escsq = $(subst $(squote),'\$(squote)',$1)
stringify = $(squote)$(quote)$1$(quote)$(squote)
###
+# The path to Kbuild or Makefile. Kbuild has precedence over Makefile.
+kbuild-dir = $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
+kbuild-file = $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)
+
+###
# Easy method for doing a status message
kecho := :
quiet_kecho := echo