ia64/linux-2.6.18-xen.hg

view scripts/Makefile.clean @ 562:66faefe721eb

pvSCSI backend driver

Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
Signed-off-by: Jun Kamada <kama@jp.fujitsu.com>
author Keir Fraser <keir.fraser@citrix.com>
date Mon Jun 02 09:58:27 2008 +0100 (2008-06-02)
parents 831230e53067
children
line source
1 # ==========================================================================
2 # Cleaning up
3 # ==========================================================================
5 src := $(obj)
7 PHONY := __clean
8 __clean:
10 # Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
11 # Usage:
12 # $(Q)$(MAKE) $(clean)=dir
13 clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
15 # The filename Kbuild has precedence over Makefile
16 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
17 include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
19 # Figure out what we need to build from the various variables
20 # ==========================================================================
22 __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
23 subdir-y += $(__subdir-y)
24 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
25 subdir-m += $(__subdir-m)
26 __subdir-n := $(patsubst %/,%,$(filter %/, $(obj-n)))
27 subdir-n += $(__subdir-n)
28 __subdir- := $(patsubst %/,%,$(filter %/, $(obj-)))
29 subdir- += $(__subdir-)
31 # Subdirectories we need to descend into
33 subdir-ym := $(sort $(subdir-y) $(subdir-m))
34 subdir-ymn := $(sort $(subdir-ym) $(subdir-n) $(subdir-))
36 # Add subdir path
38 subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn))
40 # build a list of files to remove, usually releative to the current
41 # directory
43 __clean-files := $(extra-y) $(EXTRA_TARGETS) $(always) \
44 $(targets) $(clean-files) \
45 $(host-progs) \
46 $(hostprogs-y) $(hostprogs-m) $(hostprogs-)
48 # as clean-files is given relative to the current directory, this adds
49 # a $(obj) prefix, except for absolute paths
51 __clean-files := $(wildcard \
52 $(addprefix $(obj)/, $(filter-out /%, $(__clean-files))) \
53 $(filter /%, $(__clean-files)))
55 # as clean-dirs is given relative to the current directory, this adds
56 # a $(obj) prefix, except for absolute paths
58 __clean-dirs := $(wildcard \
59 $(addprefix $(obj)/, $(filter-out /%, $(clean-dirs))) \
60 $(filter /%, $(clean-dirs)))
62 # ==========================================================================
64 quiet_cmd_clean = CLEAN $(obj)
65 cmd_clean = rm -f $(__clean-files)
66 quiet_cmd_cleandir = CLEAN $(__clean-dirs)
67 cmd_cleandir = rm -rf $(__clean-dirs)
70 __clean: $(subdir-ymn)
71 ifneq ($(strip $(__clean-files)),)
72 +$(call cmd,clean)
73 endif
74 ifneq ($(strip $(__clean-dirs)),)
75 +$(call cmd,cleandir)
76 endif
77 ifneq ($(strip $(clean-rule)),)
78 +$(clean-rule)
79 endif
80 @:
83 # ===========================================================================
84 # Generic stuff
85 # ===========================================================================
87 # Descending
88 # ---------------------------------------------------------------------------
90 PHONY += $(subdir-ymn)
91 $(subdir-ymn):
92 $(Q)$(MAKE) $(clean)=$@
94 # If quiet is set, only print short version of command
96 cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
99 # Declare the contents of the .PHONY variable as phony. We keep that
100 # information in a variable se we can use it in if_changed and friends.
102 .PHONY: $(PHONY)