diff options
Diffstat (limited to 'scripts/Makefile.clean')
-rw-r--r-- | scripts/Makefile.clean | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean new file mode 100644 index 00000000..686cb0d3 --- /dev/null +++ b/scripts/Makefile.clean @@ -0,0 +1,104 @@ +# ========================================================================== +# 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 +# ========================================================================== + +__subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) +subdir-y += $(__subdir-y) +__subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) +subdir-m += $(__subdir-m) +__subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n))) +subdir-n += $(__subdir-n) +__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-n) $(subdir-)) + +# Add subdir path + +subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) + +# build a list of files to remove, usually relative to the current +# directory + +__clean-files := $(extra-y) $(always) \ + $(targets) $(clean-files) \ + $(host-progs) \ + $(hostprogs-y) $(hostprogs-m) $(hostprogs-) + +__clean-files := $(filter-out $(no-clean-files), $(__clean-files)) + +# 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: $(subdir-ymn) +ifneq ($(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 += $(subdir-ymn) +$(subdir-ymn): + $(Q)$(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 that +# information in a variable se we can use it in if_changed and friends. + +.PHONY: $(PHONY) |