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authorSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:47 +0100
committerSascha Hauer <s.hauer@pengutronix.de>2019-02-13 20:31:47 +0100
commit3fe0effd52c960dc3dce0b731ef266113f2d1893 (patch)
tree711e26d8f6acff7cabd178c34f46b3e720010dc4 /Makefile
parente6b18f7fa973e22f4a7829412a9ac1aabb51b286 (diff)
parentf5427d18b506cc53be6c79922fa652ff986fe6b3 (diff)
downloadbarebox-3fe0effd52c960dc3dce0b731ef266113f2d1893.tar.gz
Merge branch 'for-next/kbuild'
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile65
1 files changed, 29 insertions, 36 deletions
diff --git a/Makefile b/Makefile
index 90eee21..c4030ec 100644
--- a/Makefile
+++ b/Makefile
@@ -35,10 +35,8 @@ MAKEFLAGS += -rR --no-print-directory
# To put more focus on warnings, be less verbose as default
# Use 'make V=1' to see the full commands
-ifdef V
- ifeq ("$(origin V)", "command line")
- KBUILD_VERBOSE = $(V)
- endif
+ifeq ("$(origin V)", "command line")
+ KBUILD_VERBOSE = $(V)
endif
ifndef KBUILD_VERBOSE
KBUILD_VERBOSE = 0
@@ -54,10 +52,8 @@ endif
# See the file "Documentation/sparse.txt" for more details, including
# where to get the "sparse" utility.
-ifdef C
- ifeq ("$(origin C)", "command line")
- KBUILD_CHECKSRC = $(C)
- endif
+ifeq ("$(origin C)", "command line")
+ KBUILD_CHECKSRC = $(C)
endif
ifndef KBUILD_CHECKSRC
KBUILD_CHECKSRC = 0
@@ -69,10 +65,8 @@ endif
ifdef SUBDIRS
KBUILD_EXTMOD ?= $(SUBDIRS)
endif
-ifdef M
- ifeq ("$(origin M)", "command line")
- KBUILD_EXTMOD := $(M)
- endif
+ifeq ("$(origin M)", "command line")
+ KBUILD_EXTMOD := $(M)
endif
@@ -98,10 +92,8 @@ ifeq ($(KBUILD_SRC),)
# OK, Make called in directory where kernel src resides
# Do we want to locate output files in a separate directory?
-ifdef O
- ifeq ("$(origin O)", "command line")
- KBUILD_OUTPUT := $(O)
- endif
+ifeq ("$(origin O)", "command line")
+ KBUILD_OUTPUT := $(O)
endif
# That's our default target when none is given on the command line
@@ -117,12 +109,16 @@ KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \
$(if $(KBUILD_OUTPUT),, \
$(error failed to create output directory "$(saved-output)"))
-PHONY += $(MAKECMDGOALS)
+PHONY += $(MAKECMDGOALS) sub-make
-$(filter-out _all,$(MAKECMDGOALS)) _all:
+$(filter-out _all sub-make,$(MAKECMDGOALS)) _all: sub-make
+ @:
+
+sub-make: FORCE
$(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
KBUILD_SRC=$(CURDIR) \
- KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile $@
+ KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
+ $(filter-out _all sub-make,$(MAKECMDGOALS))
# Leave processing to above invocation of make
skip-makefile := 1
@@ -394,8 +390,16 @@ ifeq ($(mixed-targets),1)
# We're called with mixed targets (*config and build targets).
# Handle them one by one.
-%:: FORCE
- $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@
+PHONY += $(MAKECMDGOALS) __build_one_by_one
+
+$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
+ @:
+
+__build_one_by_one:
+ $(Q)set -e; \
+ for i in $(MAKECMDGOALS); do \
+ $(MAKE) -f $(srctree)/Makefile $$i; \
+ done
else
ifeq ($(config-targets),1)
@@ -881,12 +885,6 @@ include/generated/utsrelease.h: include/config/kernel.release FORCE
$(call filechk,utsrelease.h)
# ---------------------------------------------------------------------------
-
-PHONY += depend dep
-depend dep:
- @echo '*** Warning: make $@ is unnecessary now.'
-
-# ---------------------------------------------------------------------------
# Modules
ifdef CONFIG_MODULES
@@ -1007,11 +1005,11 @@ mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
mrproper-dirs := $(addprefix _mrproper_,scripts)
-PHONY += $(mrproper-dirs) mrproper archmrproper
+PHONY += $(mrproper-dirs) mrproper
$(mrproper-dirs):
$(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
-mrproper: clean archmrproper $(mrproper-dirs)
+mrproper: clean $(mrproper-dirs)
$(call cmd,rmdirs)
$(call cmd,rmfiles)
@@ -1043,7 +1041,7 @@ rpm: include/config/kernel.release FORCE
# ---------------------------------------------------------------------------
boards := $(wildcard $(srctree)/arch/$(ARCH)/configs/*_defconfig)
-boards := $(notdir $(boards))
+boards := $(sort $(notdir $(boards)))
help:
@echo 'Cleaning targets:'
@@ -1174,11 +1172,6 @@ ifneq ($(cmd_files),)
include $(cmd_files)
endif
-# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
-# Usage:
-# $(Q)$(MAKE) $(clean)=dir
-clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
-
endif # skip-makefile
PHONY += FORCE
@@ -1187,6 +1180,6 @@ FORCE:
# Cancel implicit rules on top Makefile, `-rR' will apply to sub-makes.
Makefile: ;
-# Declare the contents of the .PHONY variable as phony. We keep that
+# Declare the contents of the PHONY variable as phony. We keep that
# information in a variable so we can use it in if_changed and friends.
.PHONY: $(PHONY)