| | 1 | # SPDX-License-Identifier: GPL-2.0 |
| | 2 | # ========================================================================== |
| | 3 | # Cleaning up |
| | 4 | # ========================================================================== |
| | 5 | |
| | 6 | src := $(obj) |
| | 7 | |
| | 8 | PHONY := __clean |
| | 9 | __clean: |
| | 10 | |
| | 11 | include scripts/Kbuild.include |
| | 12 | |
| | 13 | # The filename Kbuild has precedence over Makefile |
| | 14 | kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) |
| | 15 | include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile) |
| | 16 | |
| | 17 | # Figure out what we need to build from the various variables |
| | 18 | # ========================================================================== |
| | 19 | |
| | 20 | __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) |
| | 21 | subdir-y += $(__subdir-y) |
| | 22 | __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) |
| | 23 | subdir-m += $(__subdir-m) |
| | 24 | __subdir- := $(patsubst %/,%,$(filter %/, $(obj-))) |
| | 25 | subdir- += $(__subdir-) |
| | 26 | |
| | 27 | # Subdirectories we need to descend into |
| | 28 | |
| | 29 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
| | 30 | subdir-ymn := $(sort $(subdir-ym) $(subdir-)) |
| | 31 | |
| | 32 | # Add subdir path |
| | 33 | |
| | 34 | subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) |
| | 35 | |
| | 36 | # build a list of files to remove, usually relative to the current |
| | 37 | # directory |
| | 38 | |
| | 39 | __clean-files := $(extra-y) $(extra-m) $(extra-) \ |
| | 40 | $(always) $(targets) $(clean-files) \ |
| | 41 | $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ |
| | 42 | $(hostlibs-y) $(hostlibs-m) $(hostlibs-) \ |
| | 43 | $(hostcxxlibs-y) $(hostcxxlibs-m) |
| | 44 | |
| | 45 | __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) |
| | 46 | |
| | 47 | # clean-files is given relative to the current directory, unless it |
| | 48 | # starts with $(objtree)/ (which means "./", so do not add "./" unless |
| | 49 | # you want to delete a file from the toplevel object directory). |
| | 50 | |
| | 51 | __clean-files := $(wildcard \ |
| | 52 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(__clean-files))) \ |
| | 53 | $(filter $(objtree)/%, $(__clean-files))) |
| | 54 | |
| | 55 | # same as clean-files |
| | 56 | |
| | 57 | __clean-dirs := $(wildcard \ |
| | 58 | $(addprefix $(obj)/, $(filter-out $(objtree)/%, $(clean-dirs))) \ |
| | 59 | $(filter $(objtree)/%, $(clean-dirs))) |
| | 60 | |
| | 61 | # ========================================================================== |
| | 62 | |
| | 63 | quiet_cmd_clean = CLEAN $(obj) |
| | 64 | cmd_clean = rm -f $(__clean-files) |
| | 65 | quiet_cmd_cleandir = CLEAN $(__clean-dirs) |
| | 66 | cmd_cleandir = rm -rf $(__clean-dirs) |
| | 67 | |
| | 68 | |
| | 69 | __clean: $(subdir-ymn) |
| | 70 | ifneq ($(strip $(__clean-files)),) |
| | 71 | +$(call cmd,clean) |
| | 72 | endif |
| | 73 | ifneq ($(strip $(__clean-dirs)),) |
| | 74 | +$(call cmd,cleandir) |
| | 75 | endif |
| | 76 | @: |
| | 77 | |
| | 78 | |
| | 79 | # =========================================================================== |
| | 80 | # Generic stuff |
| | 81 | # =========================================================================== |
| | 82 | |
| | 83 | # Descending |
| | 84 | # --------------------------------------------------------------------------- |
| | 85 | |
| | 86 | PHONY += $(subdir-ymn) |
| | 87 | $(subdir-ymn): |
| | 88 | $(Q)$(MAKE) $(clean)=$@ |
| | 89 | |
| | 90 | .PHONY: $(PHONY) |
projects / linux-2.6-block.git / blame_incremental