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 syncconfig update-po-config \
   7         localmodconfig localyesconfig
   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         $< $(silent) $(Kconfig)
  24
  25 gconfig: $(obj)/gconf
  26         $< $(silent) $(Kconfig)
  27
  28 menuconfig: $(obj)/mconf
  29         $< $(silent) $(Kconfig)
  30
  31 config: $(obj)/conf
  32         $< $(silent) --oldaskconfig $(Kconfig)
  33
  34 nconfig: $(obj)/nconf
  35         $< $(silent) $(Kconfig)
  36
  37 # This has become an internal implementation detail and is now deprecated
  38 # for external use.
  39 syncconfig: $(obj)/conf
  40         $(Q)mkdir -p include/config include/generated
  41         $< $(silent) --$@ $(Kconfig)
  42
  43 localyesconfig localmodconfig: $(obj)/conf
  44         $(Q)mkdir -p include/config include/generated
  45         $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
  46         $(Q)if [ -f .config ]; then                                     \
  47                         cmp -s .tmp.config .config ||                   \
  48                         (mv -f .config .config.old.1;                   \
  49                          mv -f .tmp.config .config;                     \
  50                          $< $(silent) --oldconfig $(Kconfig);           \
  51                          mv -f .config.old.1 .config.old)               \
  52         else                                                            \
  53                         mv -f .tmp.config .config;                      \
  54                         $< $(silent) --oldconfig $(Kconfig);            \
  55         fi
  56         $(Q)rm -f .tmp.config
  57
  58 # Create new linux.pot file
  59 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
  60 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
  61         $(Q)$(kecho) "  GEN     config.pot"
  62         $(Q)xgettext --default-domain=linux                         \
  63             --add-comments --keyword=_ --keyword=N_                 \
  64             --from-code=UTF-8                                       \
  65             --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
  66             --directory=$(srctree) --directory=$(objtree)           \
  67             --output $(obj)/config.pot
  68         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
  69         $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
  70             $(srctree)/arch/*/um/Kconfig`;               \
  71             do                                           \
  72                 $(kecho) "  GEN     $$i";                    \
  73                 $(obj)/kxgettext $$i                     \
  74                      >> $(obj)/config.pot;               \
  75             done )
  76         $(Q)$(kecho) "  GEN     linux.pot"
  77         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
  78             --output $(obj)/linux.pot
  79         $(Q)rm -f $(obj)/config.pot
  80
  81 # These targets map 1:1 to the commandline options of 'conf'
  82 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
  83         alldefconfig randconfig listnewconfig olddefconfig
  84 PHONY += $(simple-targets)
  85
  86 $(simple-targets): $(obj)/conf
  87         $< $(silent) --$@ $(Kconfig)
  88
  89 PHONY += oldnoconfig silentoldconfig savedefconfig defconfig
  90
  91 # oldnoconfig is an alias of olddefconfig, because people already are dependent
  92 # on its behavior (sets new symbols to their default value but not 'n') with the
  93 # counter-intuitive name.
  94 oldnoconfig: olddefconfig
  95         @echo "  WARNING: \"oldnoconfig\" target will be removed after Linux 4.19"
  96         @echo "            Please use \"olddefconfig\" instead, which is an alias."
  97
  98 # We do not expect manual invokcation of "silentoldcofig" (or "syncconfig").
  99 silentoldconfig: syncconfig
 100         @echo "  WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\""
 101         @echo "            and is now an internal implementation detail."
 102         @echo "            What you want is probably \"oldconfig\"."
 103         @echo "            \"silentoldconfig\" will be removed after Linux 4.19"
 104
 105 savedefconfig: $(obj)/conf
 106         $< $(silent) --$@=defconfig $(Kconfig)
 107
 108 defconfig: $(obj)/conf
 109 ifeq ($(KBUILD_DEFCONFIG),)
 110         $< $(silent) --defconfig $(Kconfig)
 111 else
 112 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
 113         @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 114         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 115 else
 116         @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
 117         $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
 118 endif
 119 endif
 120
 121 %_defconfig: $(obj)/conf
 122         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 123
 124 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
 125
 126 %.config: $(obj)/conf
 127         $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
 128         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
 129         +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 130
 131 PHONY += kvmconfig
 132 kvmconfig: kvm_guest.config
 133         @:
 134
 135 PHONY += xenconfig
 136 xenconfig: xen.config
 137         @:
 138
 139 PHONY += tinyconfig
 140 tinyconfig:
 141         $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
 142
 143 # CHECK: -o cache_dir=<path> working?
 144 PHONY += testconfig
 145 testconfig: $(obj)/conf
 146         $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
 147         -o cache_dir=$(abspath $(obj)/tests/.cache) \
 148         $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
 149 clean-dirs += tests/.cache
 150
 151 # Help text used by make help
 152 help:
 153         @echo  '  config          - Update current config utilising a line-oriented program'
 154         @echo  '  nconfig         - Update current config utilising a ncurses menu based'
 155         @echo  '                    program'
 156         @echo  '  menuconfig      - Update current config utilising a menu based program'
 157         @echo  '  xconfig         - Update current config utilising a Qt based front-end'
 158         @echo  '  gconfig         - Update current config utilising a GTK+ based front-end'
 159         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 160         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 161         @echo  '  localyesconfig  - Update current config converting local mods to core'
 162         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 163         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 164         @echo  '  allnoconfig     - New config where all options are answered with no'
 165         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 166         @echo  '  allmodconfig    - New config selecting modules when possible'
 167         @echo  '  alldefconfig    - New config with all symbols set to default'
 168         @echo  '  randconfig      - New config with random answer to all options'
 169         @echo  '  listnewconfig   - List new options'
 170         @echo  '  olddefconfig    - Same as oldconfig but sets new symbols to their'
 171         @echo  '                    default value without prompting'
 172         @echo  '  kvmconfig       - Enable additional options for kvm guest kernel support'
 173         @echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
 174         @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 175
 176 # lxdialog stuff
 177 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 178
 179 # Use recursively expanded variables so we do not call gcc unless
 180 # we really need to do so. (Do not call gcc as part of make mrproper)
 181 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 182                     -DLOCALE
 183
 184 # ===========================================================================
 185 # Shared Makefile for the various kconfig executables:
 186 # conf:   Used for defconfig, oldconfig and related targets
 187 # nconf:  Used for the nconfig target.
 188 #         Utilizes ncurses
 189 # mconf:  Used for the menuconfig target
 190 #         Utilizes the lxdialog package
 191 # qconf:  Used for the xconfig target
 192 #         Based on Qt which needs to be installed to compile it
 193 # gconf:  Used for the gconfig target
 194 #         Based on GTK+ which needs to be installed to compile it
 195 # object files used by all kconfig flavours
 196
 197 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 198 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 199
 200 conf-objs       := conf.o  zconf.tab.o
 201 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 202 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 203 kxgettext-objs  := kxgettext.o zconf.tab.o
 204 qconf-cxxobjs   := qconf.o
 205 qconf-objs      := zconf.tab.o
 206 gconf-objs      := gconf.o zconf.tab.o
 207
 208 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 209
 210 targets         += zconf.tab.c zconf.lex.c
 211 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 212 clean-files     += zconf.tab.c zconf.lex.c gconf.glade.h
 213 clean-files     += config.pot linux.pot
 214
 215 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 216 PHONY += $(obj)/dochecklxdialog
 217 $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog
 218 $(obj)/dochecklxdialog:
 219         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 220
 221 always := dochecklxdialog
 222
 223 # Add environment specific flags
 224 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 225 HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS))
 226
 227 # generated files seem to need this to find local include files
 228 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 229 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 230
 231 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 232 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 233
 234 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 235 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 236                           -Wno-missing-prototypes
 237
 238 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 239
 240 HOSTLOADLIBES_nconf     = $(shell \
 241                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 242                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 243                                 || echo "-lmenu -lpanel -lncurses"  )
 244 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 245
 246 ifeq ($(MAKECMDGOALS),xconfig)
 247 $(obj)/.tmp_qtcheck: $(src)/Makefile
 248 -include $(obj)/.tmp_qtcheck
 249
 250 # Qt needs some extra effort...
 251 $(obj)/.tmp_qtcheck:
 252         @set -e; $(kecho) "  CHECK   qt"; \
 253         if pkg-config --exists Qt5Core; then \
 254             cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
 255             libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
 256             moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
 257         elif pkg-config --exists QtCore; then \
 258             cflags=`pkg-config --cflags QtCore QtGui`; \
 259             libs=`pkg-config --libs QtCore QtGui`; \
 260             moc=`pkg-config --variable=moc_location QtCore`; \
 261         else \
 262             echo >&2 "*"; \
 263             echo >&2 "* Could not find Qt via pkg-config."; \
 264             echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
 265             echo >&2 "*"; \
 266             exit 1; \
 267         fi; \
 268         echo "KC_QT_CFLAGS=$$cflags" > $@; \
 269         echo "KC_QT_LIBS=$$libs" >> $@; \
 270         echo "KC_QT_MOC=$$moc" >> $@
 271 endif
 272
 273 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 274
 275 ifeq ($(MAKECMDGOALS),gconfig)
 276 -include $(obj)/.tmp_gtkcheck
 277
 278 # GTK+ needs some extra effort, too...
 279 $(obj)/.tmp_gtkcheck:
 280         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
 281                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
 282                         touch $@;                                                               \
 283                 else                                                                    \
 284                         echo >&2 "*";                                                   \
 285                         echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
 286                         echo >&2 "*";                                                   \
 287                         false;                                                          \
 288                 fi                                                                      \
 289         else                                                                            \
 290                 echo >&2 "*";                                                           \
 291                 echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
 292                 echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
 293                 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
 294                 echo >&2 "*";                                                           \
 295                 false;                                                                  \
 296         fi
 297 endif
 298
 299 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c
 300
 301 $(obj)/qconf.o: $(obj)/qconf.moc
 302
 303 quiet_cmd_moc = MOC     $@
 304       cmd_moc = $(KC_QT_MOC) -i $< -o $@
 305
 306 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
 307         $(call cmd,moc)
 308
 309 # Extract gconf menu items for i18n support
 310 $(obj)/gconf.glade.h: $(obj)/gconf.glade
 311         $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
 312         $(obj)/gconf.glade