| # ========================================================================== |
| # Cleaning up |
| # ========================================================================== |
| |
| src := $(obj) |
| |
| .PHONY := __clean |
| __clean: |
| |
| # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir |
| # Usage: |
| # $(Q)$(MAKE) $(clean)=dir |
| clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |
| |
| # The filename Kbuild has precedence over Makefile |
| kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) |
| include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) |
| |
| # Figure out what we need to build from the various variables |
| # ========================================================================== |
| |
| subdirs := $(subdir-y) $(subdir-m) $(subdir-n) $(subdir-) |
| subdirs += $(patsubst %/,%,$(filter %/, $(obj-y))) |
| subdirs += $(patsubst %/,%,$(filter %/, $(obj-m))) |
| subdirs += $(patsubst %/,%,$(filter %/, $(obj-n))) |
| subdirs += $(patsubst %/,%,$(filter %/, $(obj-))) |
| |
| subdirs += $(patsubst %/,%,$(filter %/, $(klib-y))) |
| subdirs += $(patsubst %/,%,$(filter %/, $(klib-))) |
| |
| # Subdirectories we need to descend into |
| subdirs := $(addprefix $(obj)/,$(sort $(subdirs))) |
| |
| |
| # build a list of files to remove, usually releative to the current |
| # directory |
| |
| __clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \ |
| $(targets) $(clean-files) \ |
| $(host-progs) \ |
| $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ |
| klib.list |
| |
| # as clean-files is given relative to the current directory, this adds |
| # a $(obj) prefix, except for absolute paths |
| |
| __clean-files := $(wildcard \ |
| $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \ |
| $(filter /%, $(__clean-files))) |
| |
| # as clean-dirs is given relative to the current directory, this adds |
| # a $(obj) prefix, except for absolute paths |
| |
| __clean-dirs := $(wildcard \ |
| $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \ |
| $(filter /%, $(clean-dirs))) |
| |
| # ========================================================================== |
| |
| quiet_cmd_clean = CLEAN $(obj) |
| cmd_clean = rm -f $(__clean-files) |
| quiet_cmd_cleandir = CLEAN $(__clean-dirs) |
| cmd_cleandir = rm -rf $(__clean-dirs) |
| |
| |
| __clean: $(subdirs) |
| ifneq ($(strip $(__clean-files)),) |
| +$(call cmd,clean) |
| endif |
| ifneq ($(strip $(__clean-dirs)),) |
| +$(call cmd,cleandir) |
| endif |
| ifneq ($(strip $(clean-rule)),) |
| +$(clean-rule) |
| endif |
| @: |
| |
| |
| # =========================================================================== |
| # Generic stuff |
| # =========================================================================== |
| |
| # Descending |
| # --------------------------------------------------------------------------- |
| |
| PHONY += $(subdirs) |
| $(subdirs): |
| $(Q)$(MAKE) $(clean)=$@ |
| |
| # If quiet is set, only print short version of command |
| |
| cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) |
| |
| # Declare the contents of the PHONY variable as phony. We keep the variable for |
| # if_changed. |
| .PHONY: $(PHONY) |