projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | # ========================================================================== |
| 2 | # Cleaning up | |
| 3 | # ========================================================================== | |
| 4 | ||
| 5 | src := $(obj) | |
| 6 | ||
| 7 | .PHONY: __clean | |
| 8 | __clean: | |
| 9 | ||
| 10 | include $(if $(wildcard $(obj)/Kbuild), $(obj)/Kbuild, $(obj)/Makefile) | |
| 11 | ||
| 12 | # Figure out what we need to build from the various variables | |
| 13 | # ========================================================================== | |
| 14 | ||
| 15 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) | |
| 16 | subdir-y += $(__subdir-y) | |
| 17 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) | |
| 18 | subdir-m += $(__subdir-m) | |
| 19 | __subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n))) | |
| 20 | subdir-n += $(__subdir-n) | |
| 21 | __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) | |
| 22 | subdir- += $(__subdir-) | |
| 23 | ||
| 24 | # Subdirectories we need to descend into | |
| 25 | ||
| 26 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) | |
| 27 | subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-)) | |
| 28 | ||
| 29 | # Add subdir path | |
| 30 | ||
| 31 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) | |
| 32 | ||
| 33 | # build a list of files to remove, usually releative to the current | |
| 34 | # directory | |
| 35 | ||
| 36 | __clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \ | |
| 37 | $(targets) $(clean-files) \ | |
| 38 | $(host-progs) \ | |
| 39 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) | |
| 40 | ||
| 41 | # as clean-files is given relative to the current directory, this adds | |
| 42 | # a $(obj) prefix, except for absolute paths | |
| 43 | ||
| 44 | __clean-files := $(wildcard \ | |
| 45 | $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \ | |
| 46 | $(filter /%, $(__clean-files))) | |
| 47 | ||
| 48 | # as clean-dirs is given relative to the current directory, this adds | |
| 49 | # a $(obj) prefix, except for absolute paths | |
| 50 | ||
| 51 | __clean-dirs := $(wildcard \ | |
| 52 | $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \ | |
| 53 | $(filter /%, $(clean-dirs))) | |
| 54 | ||
| 55 | # ========================================================================== | |
| 56 | ||
| 57 | quiet_cmd_clean = CLEAN $(obj) | |
| 58 | cmd_clean = rm -f $(__clean-files) | |
| 59 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) | |
| 60 | cmd_cleandir = rm -rf $(__clean-dirs) | |
| 61 | ||
| 62 | ||
| 63 | __clean: $(subdir-ymn) | |
| 64 | ifneq ($(strip $(__clean-files)),) | |
| 65 | +$(call cmd,clean) | |
| 66 | endif | |
| 67 | ifneq ($(strip $(__clean-dirs)),) | |
| 68 | +$(call cmd,cleandir) | |
| 69 | endif | |
| 70 | ifneq ($(strip $(clean-rule)),) | |
| 71 | +$(clean-rule) | |
| 72 | endif | |
| 73 | @: | |
| 74 | ||
| 75 | ||
| 76 | # =========================================================================== | |
| 77 | # Generic stuff | |
| 78 | # =========================================================================== | |
| 79 | ||
| 80 | # Descending | |
| 81 | # --------------------------------------------------------------------------- | |
| 82 | ||
| 83 | .PHONY: $(subdir-ymn) | |
| 84 | $(subdir-ymn): | |
| 85 | $(Q)$(MAKE) $(clean)=$@ | |
| 86 | ||
| 87 | # If quiet is set, only print short version of command | |
| 88 | ||
| 89 | cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1)) | |
| 90 | ||
| 91 | # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir | |
| 92 | # Usage: | |
| 93 | # $(Q)$(MAKE) $(clean)=dir | |
| 94 | clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |