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@xxxxxxxxxx>
Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>
---
Changes in v2:
- Change scripts/Makefile.modpost
scripts/Kbuild.include | 5 +++++
scripts/Makefile.asm-generic | 6 +++---
scripts/Makefile.build | 6 +-----
scripts/Makefile.clean | 5 +----
scripts/Makefile.dtbinst | 2 +-
scripts/Makefile.modpost | 2 +-
6 files changed, 12 insertions(+), 14 deletions(-)
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 2bc08ace38a3..cbe28744637b 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -40,6 +40,11 @@ escsq = $(subst $(squote),'\$(squote)',$1)
# Quote a string to pass it to C files. foo => '"foo"'
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 := :
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 1d501c57f9ef..8d01b37b7677 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -10,15 +10,15 @@ PHONY := all
all:
src := $(subst /generated,,$(obj))
--include $(src)/Kbuild
+
+include $(srctree)/scripts/Kbuild.include
+-include $(kbuild-file)
# $(generic)/Kbuild lists mandatory-y. Exclude um since it is a special case.
ifneq ($(SRCARCH),um)
include $(srctree)/$(generic)/Kbuild
endif
-include $(srctree)/scripts/Kbuild.include
-
redundant := $(filter $(mandatory-y) $(generated-y), $(generic-y))
redundant += $(foreach f, $(generic-y), $(if $(wildcard $(srctree)/$(src)/$(f)),$(f)))
redundant := $(sort $(redundant))
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 41f3602fc8de..37cf88d076e8 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -38,11 +38,7 @@ subdir-ccflags-y :=
include $(srctree)/scripts/Kbuild.include
include $(srctree)/scripts/Makefile.compiler
-
-# The filename Kbuild has precedence over Makefile
-kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)
-
+include $(kbuild-file)
include $(srctree)/scripts/Makefile.lib
# Do not include hostprogs rules unless needed.
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 878cec648959..3649900696dd 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -9,10 +9,7 @@ PHONY := __clean
__clean:
include $(srctree)/scripts/Kbuild.include
-
-# The filename Kbuild has precedence over Makefile
-kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
-include $(or $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Makefile)
+include $(kbuild-file)
# Figure out what we need to build from the various variables
# ==========================================================================
diff --git a/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
index 190d781e84f4..2ab936e4179d 100644
--- a/scripts/Makefile.dtbinst
+++ b/scripts/Makefile.dtbinst
@@ -15,7 +15,7 @@ __dtbs_install:
include include/config/auto.conf
include $(srctree)/scripts/Kbuild.include
-include $(src)/Makefile
+include $(kbuild-file)
dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index e41dee64d429..55a72f5eb76d 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -93,7 +93,7 @@ obj := $(KBUILD_EXTMOD)
src := $(obj)
# Include the module's Makefile to find KBUILD_EXTRA_SYMBOLS
-include $(or $(wildcard $(src)/Kbuild), $(src)/Makefile)
+include $(kbuild-file)
module.symvers-if-present := $(wildcard Module.symvers)
output-symdump := $(KBUILD_EXTMOD)/Module.symvers
--
2.34.1
