180 lines
5.1 KiB
Makefile
180 lines
5.1 KiB
Makefile
cur_makefile := $(lastword $(MAKEFILE_LIST))
|
|
|
|
# ==========================================================================
|
|
# Cleaning up
|
|
# ==========================================================================
|
|
|
|
src := $(obj)
|
|
|
|
PHONY := __clean
|
|
__clean:
|
|
|
|
$(cur_makefile): ;
|
|
|
|
# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
|
|
# Usage:
|
|
# $(Q)$(MAKE) $(clean)=dir
|
|
clean := -f $(srctree)/scripts/clean.mk obj
|
|
|
|
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
|
|
include $(kbuild-dir)/Makefile
|
|
|
|
# Figure out what we need to build from the various variables
|
|
# ==========================================================================
|
|
|
|
__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
|
|
subdir-y += $(__subdir-y)
|
|
__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
|
|
subdir-m += $(__subdir-m)
|
|
__subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
|
|
subdir- += $(__subdir-)
|
|
|
|
# Subdirectories we need to descend into
|
|
|
|
subdir-ym := $(sort $(subdir-y) $(subdir-m))
|
|
subdir-ymn := $(sort $(subdir-ym) $(subdir-))
|
|
|
|
obj-ymn := $(obj-y) $(obj-m) $(obj-)
|
|
lib-ymn := $(lib-y) $(lib-m) $(lib-)
|
|
|
|
# if $(foo-objs) exists, foo.o is a composite object
|
|
multi-used-ymn := $(sort $(foreach m,$(obj-ymn), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
|
|
multi-objs-ymn := $(foreach m, $(multi-used-ymn), $($(m:.o=-objs)) $($(m:.o=-y)))
|
|
|
|
obj-ymn := $(patsubst %/, %/built-in.o %/built-in.a, $(obj-y) $(obj-m) $(obj-))
|
|
|
|
extra-ymn := $(extra-y) $(extra-m) $(extra-)
|
|
|
|
# build a list of files to remove, usually relative to the current
|
|
# directory
|
|
|
|
__clean-files := $(obj-ymn) $(lib-ymn) $(multi-used-ymn) \
|
|
$(multi-objs-ymn) $(extra-ymn) \
|
|
built-in.o built-in.a lib.a \
|
|
$(always) $(targets) $(clean-files)
|
|
|
|
__clean-files := $(filter-out $(no-clean-files), $(__clean-files))
|
|
|
|
# clean-files is given relative to the current directory, unless it
|
|
# starts with $(objtree)/ (which means "./", so do not add "./" unless
|
|
# you want to delete a file from the toplevel object directory).
|
|
|
|
__clean-files := $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \
|
|
$(filter $(objtree)/%, $(__clean-files))
|
|
|
|
# same as clean-files
|
|
|
|
__clean-dirs := $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \
|
|
$(filter $(objtree)/%, $(clean-dirs))
|
|
|
|
# Add subdir path
|
|
subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
|
|
obj-ymn := $(addprefix $(obj)/,$(obj-ymn))
|
|
lib-ymn := $(addprefix $(obj)/,$(lib-ymn))
|
|
multi-used-ymn := $(addprefix $(obj)/,$(multi-used-ymn))
|
|
multi-objs-ymn := $(addprefix $(obj)/,$(multi-objs-ymn))
|
|
|
|
SUBMODS := $(filter $(obj)/%,$(SUBMODS))
|
|
|
|
ifneq ($(SUBMODS),)
|
|
include scripts/submods.mk
|
|
|
|
buildsubdir-ymn := $(call get_subdirs,$(subdir-ymn),$(SUBMODS))
|
|
__full-clean-files := $(__clean-files)
|
|
__clean-files := $(filter $(SUBMODS),$(__full-clean-files))
|
|
__clean-files += $(obj)/built-in.o $(obj)/built-in.a $(obj)/lib.a
|
|
__clean-files += $(foreach m,$(multi-used-ymn),$(if $(filter $(SUBMODS),$(call get_multi_objs,$m))),$m,)
|
|
|
|
# Check for invalid targets
|
|
errobj-ymn := $(SUBMODS)
|
|
errobj-ymn := $(filter-out $(buildsubdir-ymn) $(addsuffix /%,$(buildsubdir-ymn)),$(errobj-ymn))
|
|
errobj-ymn := $(filter-out $(__clean-files),$(errobj-ymn))
|
|
errobj-ymn := $(filter-out $(foreach m,$(multi-used-ymn),$(call get_multi_objs,$m)),$(errobj-ymn))
|
|
ifneq ($(errobj-ymn),)
|
|
$(warning Unknown targets in [$(obj)]: $(errobj-ymn))
|
|
endif
|
|
|
|
else # SUBMODS
|
|
|
|
ifeq ($(ALLCLEAN),1)
|
|
RM_ALL := 1
|
|
ifneq ($(KBUILD_OUTPUT),)
|
|
RM_DIR := 1
|
|
endif
|
|
endif
|
|
|
|
ifeq ($(RM_DIR),1)
|
|
buildsubdir-ymn :=
|
|
else
|
|
buildsubdir-ymn := $(subdir-ymn)
|
|
endif
|
|
|
|
endif # SUBMODS
|
|
|
|
# Include intermediate files
|
|
include scripts/include.mk
|
|
__clean-files += $(foreach f,$(__clean-files),$(call get_depfile_name,$f))
|
|
|
|
#$(info RM_DIR=$(RM_DIR), RM_ALL=$(RM_ALL))
|
|
#$(info buildsubdir-ymn=$(buildsubdir-ymn))
|
|
#$(info __clean-files=$(__clean-files))
|
|
|
|
__clean-files := $(wildcard $(__clean-files))
|
|
__clean-dirs := $(wildcard $(__clean-dirs))
|
|
|
|
# ==========================================================================
|
|
|
|
ifeq ($(RM_DIR),1)
|
|
|
|
quiet_cmd_clean = RMDIR $(obj)
|
|
cmd_clean = $(call CMDRMDIR,$(obj))
|
|
|
|
else # RM_DIR
|
|
|
|
quiet_cmd_clean = CLEAN $(obj)
|
|
ifeq ($(RM_ALL),1)
|
|
cmd_clean = $(call CMDRMFILER,$(obj),*.o *.a *.s *.d)
|
|
else
|
|
cmd_clean = $(call CMDRMFILE,$(__clean-files))
|
|
endif
|
|
quiet_cmd_cleandir = CLEAN $(__clean-dirs)
|
|
cmd_cleandir = $(call CMDRMDIR,$(__clean-dirs))
|
|
|
|
endif # RM_DIR
|
|
|
|
|
|
__clean: $(buildsubdir-ymn)
|
|
@:
|
|
ifeq ($(RM_DIR),1)
|
|
+$(call cmd,clean)
|
|
else # RM_DIR
|
|
ifeq ($(RM_ALL),1)
|
|
+$(call cmd,clean)
|
|
else
|
|
ifneq ($(strip $(__clean-files)),)
|
|
+$(call cmd,clean)
|
|
endif
|
|
endif
|
|
ifneq ($(strip $(__clean-dirs)),)
|
|
+$(call cmd,cleandir)
|
|
endif
|
|
endif # RM_DIR
|
|
|
|
|
|
# ===========================================================================
|
|
# Generic stuff
|
|
# ===========================================================================
|
|
|
|
# Descending
|
|
# ---------------------------------------------------------------------------
|
|
|
|
PHONY += $(subdir-ymn)
|
|
$(subdir-ymn):
|
|
$(Q)$(MAKE) $(clean)=$@
|
|
|
|
|
|
# Declare the contents of the .PHONY variable as phony. We keep that
|
|
# information in a variable se we can use it in if_changed and friends.
|
|
|
|
.PHONY: $(PHONY)
|