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