]> git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/blob - scripts/kconfig/Makefile
2c40e68853dde8adae1c921912172bb357c2ba48
[mirror_ubuntu-hirsute-kernel.git] / scripts / kconfig / Makefile
1 # SPDX-License-Identifier: GPL-2.0
2 # ===========================================================================
3 # Kernel configuration targets
4 # These targets are used from top-level makefile
5
6 PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \
7 build_menuconfig build_nconfig build_gconfig build_xconfig
8
9 ifdef KBUILD_KCONFIG
10 Kconfig := $(KBUILD_KCONFIG)
11 else
12 Kconfig := Kconfig
13 endif
14
15 ifeq ($(quiet),silent_)
16 silent := -s
17 endif
18
19 # We need this, in case the user has it in its environment
20 unexport CONFIG_
21
22 xconfig: $(obj)/qconf
23 $(Q)$< $(silent) $(Kconfig)
24
25 gconfig: $(obj)/gconf
26 $(Q)$< $(silent) $(Kconfig)
27
28 menuconfig: $(obj)/mconf
29 $(Q)$< $(silent) $(Kconfig)
30
31 config: $(obj)/conf
32 $(Q)$< $(silent) --oldaskconfig $(Kconfig)
33
34 nconfig: $(obj)/nconf
35 $(Q)$< $(silent) $(Kconfig)
36
37 build_menuconfig: $(obj)/mconf
38
39 build_nconfig: $(obj)/nconf
40
41 build_gconfig: $(obj)/gconf
42
43 build_xconfig: $(obj)/qconf
44
45 localyesconfig localmodconfig: $(obj)/conf
46 $(Q)$(PERL) $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
47 $(Q)if [ -f .config ]; then \
48 cmp -s .tmp.config .config || \
49 (mv -f .config .config.old.1; \
50 mv -f .tmp.config .config; \
51 $< $(silent) --oldconfig $(Kconfig); \
52 mv -f .config.old.1 .config.old) \
53 else \
54 mv -f .tmp.config .config; \
55 $< $(silent) --oldconfig $(Kconfig); \
56 fi
57 $(Q)rm -f .tmp.config
58
59 # These targets map 1:1 to the commandline options of 'conf'
60 #
61 # Note:
62 # syncconfig has become an internal implementation detail and is now
63 # deprecated for external use
64 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
65 alldefconfig randconfig listnewconfig olddefconfig syncconfig \
66 helpnewconfig yes2modconfig mod2yesconfig
67
68 PHONY += $(simple-targets)
69
70 $(simple-targets): $(obj)/conf
71 $(Q)$< $(silent) --$@ $(Kconfig)
72
73 PHONY += savedefconfig defconfig
74
75 savedefconfig: $(obj)/conf
76 $(Q)$< $(silent) --$@=defconfig $(Kconfig)
77
78 defconfig: $(obj)/conf
79 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
80 @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
81 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
82 else
83 @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
84 $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
85 endif
86
87 %_defconfig: $(obj)/conf
88 $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
89
90 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
91
92 %.config: $(obj)/conf
93 $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
94 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
95 $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
96
97 PHONY += tinyconfig
98 tinyconfig:
99 $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
100
101 # CHECK: -o cache_dir=<path> working?
102 PHONY += testconfig
103 testconfig: $(obj)/conf
104 $(Q)$(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
105 -o cache_dir=$(abspath $(obj)/tests/.cache) \
106 $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
107 clean-files += tests/.cache
108
109 # Help text used by make help
110 help:
111 @echo ' config - Update current config utilising a line-oriented program'
112 @echo ' nconfig - Update current config utilising a ncurses menu based program'
113 @echo ' menuconfig - Update current config utilising a menu based program'
114 @echo ' xconfig - Update current config utilising a Qt based front-end'
115 @echo ' gconfig - Update current config utilising a GTK+ based front-end'
116 @echo ' oldconfig - Update current config utilising a provided .config as base'
117 @echo ' localmodconfig - Update current config disabling modules not loaded'
118 @echo ' except those preserved by LMC_KEEP environment variable'
119 @echo ' localyesconfig - Update current config converting local mods to core'
120 @echo ' except those preserved by LMC_KEEP environment variable'
121 @echo ' defconfig - New config with default from ARCH supplied defconfig'
122 @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
123 @echo ' allnoconfig - New config where all options are answered with no'
124 @echo ' allyesconfig - New config where all options are accepted with yes'
125 @echo ' allmodconfig - New config selecting modules when possible'
126 @echo ' alldefconfig - New config with all symbols set to default'
127 @echo ' randconfig - New config with random answer to all options'
128 @echo ' yes2modconfig - Change answers from yes to mod if possible'
129 @echo ' mod2yesconfig - Change answers from mod to yes if possible'
130 @echo ' listnewconfig - List new options'
131 @echo ' helpnewconfig - List new options and help text'
132 @echo ' olddefconfig - Same as oldconfig but sets new symbols to their'
133 @echo ' default value without prompting'
134 @echo ' tinyconfig - Configure the tiniest possible kernel'
135 @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)'
136
137 # ===========================================================================
138 # object files used by all kconfig flavours
139 common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \
140 symbol.o util.o
141
142 $(obj)/lexer.lex.o: $(obj)/parser.tab.h
143 HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src)
144 HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
145
146 # conf: Used for defconfig, oldconfig and related targets
147 hostprogs += conf
148 conf-objs := conf.o $(common-objs)
149
150 # nconf: Used for the nconfig target based on ncurses
151 hostprogs += nconf
152 nconf-objs := nconf.o nconf.gui.o $(common-objs)
153
154 HOSTLDLIBS_nconf = $(shell . $(obj)/nconf-cfg && echo $$libs)
155 HOSTCFLAGS_nconf.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
156 HOSTCFLAGS_nconf.gui.o = $(shell . $(obj)/nconf-cfg && echo $$cflags)
157
158 $(obj)/nconf.o $(obj)/nconf.gui.o: $(obj)/nconf-cfg
159
160 # mconf: Used for the menuconfig target based on lxdialog
161 hostprogs += mconf
162 lxdialog := $(addprefix lxdialog/, \
163 checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
164 mconf-objs := mconf.o $(lxdialog) $(common-objs)
165
166 HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs)
167 $(foreach f, mconf.o $(lxdialog), \
168 $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
169
170 $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
171
172 # qconf: Used for the xconfig target based on Qt
173 hostprogs += qconf
174 qconf-cxxobjs := qconf.o qconf-moc.o
175 qconf-objs := images.o $(common-objs)
176
177 HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs)
178 HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
179 HOSTCXXFLAGS_qconf-moc.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
180
181 $(obj)/qconf.o: $(obj)/qconf-cfg
182
183 quiet_cmd_moc = MOC $@
184 cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) $< -o $@
185
186 $(obj)/qconf-moc.cc: $(src)/qconf.h $(obj)/qconf-cfg FORCE
187 $(call if_changed,moc)
188
189 targets += qconf-moc.cc
190
191 # gconf: Used for the gconfig target based on GTK+
192 hostprogs += gconf
193 gconf-objs := gconf.o images.o $(common-objs)
194
195 HOSTLDLIBS_gconf = $(shell . $(obj)/gconf-cfg && echo $$libs)
196 HOSTCFLAGS_gconf.o = $(shell . $(obj)/gconf-cfg && echo $$cflags)
197
198 $(obj)/gconf.o: $(obj)/gconf-cfg
199
200 # check if necessary packages are available, and configure build flags
201 filechk_conf_cfg = $(CONFIG_SHELL) $<
202
203 $(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
204 $(call filechk,conf_cfg)
205
206 clean-files += *conf-cfg