Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | # ========================================================================== |
| 2 | # Cleaning up |
| 3 | # ========================================================================== |
| 4 | |
| 5 | src := $(obj) |
| 6 | |
| 7 | .PHONY: __clean |
| 8 | __clean: |
| 9 | |
Sam Ravnborg | 2a69147 | 2005-07-25 20:26:04 +0000 | [diff] [blame^] | 10 | # The filename Kbuild has precedence over Makefile |
| 11 | include $(if $(wildcard $(srctree)/$(src)/Kbuild), \ |
| 12 | $(srctree)/$(src)/Kbuild, $(srctree)/$(src)/Makefile) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | |
| 14 | # Figure out what we need to build from the various variables |
| 15 | # ========================================================================== |
| 16 | |
| 17 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) |
| 18 | subdir-y += $(__subdir-y) |
| 19 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) |
| 20 | subdir-m += $(__subdir-m) |
| 21 | __subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n))) |
| 22 | subdir-n += $(__subdir-n) |
| 23 | __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) |
| 24 | subdir- += $(__subdir-) |
| 25 | |
| 26 | # Subdirectories we need to descend into |
| 27 | |
| 28 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
| 29 | subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-)) |
| 30 | |
| 31 | # Add subdir path |
| 32 | |
| 33 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) |
| 34 | |
| 35 | # build a list of files to remove, usually releative to the current |
| 36 | # directory |
| 37 | |
| 38 | __clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \ |
| 39 | $(targets) $(clean-files) \ |
| 40 | $(host-progs) \ |
| 41 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) |
| 42 | |
| 43 | # as clean-files is given relative to the current directory, this adds |
| 44 | # a $(obj) prefix, except for absolute paths |
| 45 | |
| 46 | __clean-files := $(wildcard \ |
| 47 | $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \ |
| 48 | $(filter /%, $(__clean-files))) |
| 49 | |
| 50 | # as clean-dirs is given relative to the current directory, this adds |
| 51 | # a $(obj) prefix, except for absolute paths |
| 52 | |
| 53 | __clean-dirs := $(wildcard \ |
| 54 | $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \ |
| 55 | $(filter /%, $(clean-dirs))) |
| 56 | |
| 57 | # ========================================================================== |
| 58 | |
| 59 | quiet_cmd_clean = CLEAN $(obj) |
| 60 | cmd_clean = rm -f $(__clean-files) |
| 61 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) |
| 62 | cmd_cleandir = rm -rf $(__clean-dirs) |
| 63 | |
| 64 | |
| 65 | __clean: $(subdir-ymn) |
| 66 | ifneq ($(strip $(__clean-files)),) |
| 67 | +$(call cmd,clean) |
| 68 | endif |
| 69 | ifneq ($(strip $(__clean-dirs)),) |
| 70 | +$(call cmd,cleandir) |
| 71 | endif |
| 72 | ifneq ($(strip $(clean-rule)),) |
| 73 | +$(clean-rule) |
| 74 | endif |
| 75 | @: |
| 76 | |
| 77 | |
| 78 | # =========================================================================== |
| 79 | # Generic stuff |
| 80 | # =========================================================================== |
| 81 | |
| 82 | # Descending |
| 83 | # --------------------------------------------------------------------------- |
| 84 | |
| 85 | .PHONY: $(subdir-ymn) |
| 86 | $(subdir-ymn): |
| 87 | $(Q)$(MAKE) $(clean)=$@ |
| 88 | |
| 89 | # If quiet is set, only print short version of command |
| 90 | |
| 91 | cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) |
| 92 | |
| 93 | # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir |
| 94 | # Usage: |
| 95 | # $(Q)$(MAKE) $(clean)=dir |
| 96 | clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |