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 # Added for U-Boot
  10 #  Linux has defconfig files in arch/$(SRCARCH)/configs/,
  11 #  on the other hand, U-Boot does in configs/.
  12 #  Set SRCARCH to .. fake this Makefile.
  13 SRCARCH := ..
  14
  15 ifdef KBUILD_KCONFIG
  16 Kconfig := $(KBUILD_KCONFIG)
  17 else
  18 Kconfig := Kconfig
  19 endif
  20
  21 ifeq ($(quiet),silent_)
  22 silent := -s
  23 endif
  24
  25 # We need this, in case the user has it in its environment
  26 unexport CONFIG_
  27
  28 xconfig: $(obj)/qconf
  29         $< $(silent) $(Kconfig)
  30
  31 gconfig: $(obj)/gconf
  32         $< $(silent) $(Kconfig)
  33
  34 menuconfig: $(obj)/mconf
  35         $< $(silent) $(Kconfig)
  36
  37 config: $(obj)/conf
  38         $< $(silent) --oldaskconfig $(Kconfig)
  39
  40 nconfig: $(obj)/nconf
  41         $< $(silent) $(Kconfig)
  42
  43 # This has become an internal implementation detail and is now deprecated
  44 # for external use.
  45 syncconfig: $(obj)/conf
  46         $(Q)mkdir -p include/config include/generated
  47         $< $(silent) --$@ $(Kconfig)
  48
  49 localyesconfig localmodconfig: $(obj)/conf
  50         $(Q)mkdir -p include/config include/generated
  51         $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
  52         $(Q)if [ -f .config ]; then                                     \
  53                         cmp -s .tmp.config .config ||                   \
  54                         (mv -f .config .config.old.1;                   \
  55                          mv -f .tmp.config .config;                     \
  56                          $< $(silent) --oldconfig $(Kconfig);           \
  57                          mv -f .config.old.1 .config.old)               \
  58         else                                                            \
  59                         mv -f .tmp.config .config;                      \
  60                         $< $(silent) --oldconfig $(Kconfig);            \
  61         fi
  62         $(Q)rm -f .tmp.config
  63
  64 # Create new linux.pot file
  65 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
  66 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
  67         $(Q)$(kecho) "  GEN     config.pot"
  68         $(Q)xgettext --default-domain=linux                         \
  69             --add-comments --keyword=_ --keyword=N_                 \
  70             --from-code=UTF-8                                       \
  71             --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
  72             --directory=$(srctree) --directory=$(objtree)           \
  73             --output $(obj)/config.pot
  74         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
  75         $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
  76             $(srctree)/arch/*/um/Kconfig`;               \
  77             do                                           \
  78                 $(kecho) "  GEN     $$i";                    \
  79                 $(obj)/kxgettext $$i                     \
  80                      >> $(obj)/config.pot;               \
  81             done )
  82         $(Q)$(kecho) "  GEN     linux.pot"
  83         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
  84             --output $(obj)/linux.pot
  85         $(Q)rm -f $(obj)/config.pot
  86
  87 # These targets map 1:1 to the commandline options of 'conf'
  88 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
  89         alldefconfig randconfig listnewconfig olddefconfig
  90 PHONY += $(simple-targets)
  91
  92 $(simple-targets): $(obj)/conf
  93         $< $(silent) --$@ $(Kconfig)
  94
  95 PHONY += oldnoconfig silentoldconfig savedefconfig defconfig
  96
  97 # oldnoconfig is an alias of olddefconfig, because people already are dependent
  98 # on its behavior (sets new symbols to their default value but not 'n') with the
  99 # counter-intuitive name.
 100 oldnoconfig: olddefconfig
 101         @echo "  WARNING: \"oldnoconfig\" target will be removed after Linux 4.19"
 102         @echo "            Please use \"olddefconfig\" instead, which is an alias."
 103
 104 # We do not expect manual invokcation of "silentoldcofig" (or "syncconfig").
 105 silentoldconfig: syncconfig
 106         @echo "  WARNING: \"silentoldconfig\" has been renamed to \"syncconfig\""
 107         @echo "            and is now an internal implementation detail."
 108         @echo "            What you want is probably \"oldconfig\"."
 109         @echo "            \"silentoldconfig\" will be removed after Linux 4.19"
 110
 111 savedefconfig: $(obj)/conf
 112         $< $(silent) --$@=defconfig $(Kconfig)
 113
 114 defconfig: $(obj)/conf
 115 ifeq ($(KBUILD_DEFCONFIG),)
 116         $< $(silent) --defconfig $(Kconfig)
 117 else
 118 ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
 119         @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 120         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 121 else
 122         @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
 123         $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
 124 endif
 125 endif
 126
 127 %_defconfig: $(obj)/conf
 128         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 129
 130 # Added for U-Boot (backward compatibility)
 131 %_config: %_defconfig
 132         @:
 133
 134 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
 135
 136 %.config: $(obj)/conf
 137         $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
 138         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
 139         +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 140
 141 PHONY += kvmconfig
 142 kvmconfig: kvm_guest.config
 143         @:
 144
 145 PHONY += xenconfig
 146 xenconfig: xen.config
 147         @:
 148
 149 PHONY += tinyconfig
 150 tinyconfig:
 151         $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
 152
 153 # CHECK: -o cache_dir=<path> working?
 154 PHONY += testconfig
 155 testconfig: $(obj)/conf
 156         $(PYTHON3) -B -m pytest $(srctree)/$(src)/tests \
 157         -o cache_dir=$(abspath $(obj)/tests/.cache) \
 158         $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
 159 clean-dirs += tests/.cache
 160
 161 # Help text used by make help
 162 help:
 163         @echo  '  config          - Update current config utilising a line-oriented program'
 164         @echo  '  nconfig         - Update current config utilising a ncurses menu based'
 165         @echo  '                    program'
 166         @echo  '  menuconfig      - Update current config utilising a menu based program'
 167         @echo  '  xconfig         - Update current config utilising a Qt based front-end'
 168         @echo  '  gconfig         - Update current config utilising a GTK+ based front-end'
 169         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 170         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 171         @echo  '  localyesconfig  - Update current config converting local mods to core'
 172         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 173         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 174         @echo  '  allnoconfig     - New config where all options are answered with no'
 175         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 176         @echo  '  allmodconfig    - New config selecting modules when possible'
 177         @echo  '  alldefconfig    - New config with all symbols set to default'
 178         @echo  '  randconfig      - New config with random answer to all options'
 179         @echo  '  listnewconfig   - List new options'
 180         @echo  '  olddefconfig    - Same as oldconfig but sets new symbols to their'
 181         @echo  '                    default value without prompting'
 182 #       @echo  '  kvmconfig       - Enable additional options for kvm guest kernel support'
 183 #       @echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
 184 #       @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 185
 186 # lxdialog stuff
 187 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 188
 189 # Use recursively expanded variables so we do not call gcc unless
 190 # we really need to do so. (Do not call gcc as part of make mrproper)
 191 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 192                     -DLOCALE
 193
 194 # ===========================================================================
 195 # Shared Makefile for the various kconfig executables:
 196 # conf:   Used for defconfig, oldconfig and related targets
 197 # nconf:  Used for the nconfig target.
 198 #         Utilizes ncurses
 199 # mconf:  Used for the menuconfig target
 200 #         Utilizes the lxdialog package
 201 # qconf:  Used for the xconfig target
 202 #         Based on Qt which needs to be installed to compile it
 203 # gconf:  Used for the gconfig target
 204 #         Based on GTK+ which needs to be installed to compile it
 205 # object files used by all kconfig flavours
 206
 207 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 208 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 209
 210 conf-objs       := conf.o  zconf.tab.o
 211 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 212 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 213 kxgettext-objs  := kxgettext.o zconf.tab.o
 214 qconf-cxxobjs   := qconf.o
 215 qconf-objs      := zconf.tab.o
 216 gconf-objs      := gconf.o zconf.tab.o
 217
 218 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 219
 220 targets         += zconf.lex.c
 221 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 222 clean-files     += gconf.glade.h
 223 clean-files     += config.pot linux.pot
 224
 225 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 226 PHONY += $(obj)/dochecklxdialog
 227 $(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/dochecklxdialog
 228 $(obj)/dochecklxdialog:
 229         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 230
 231 always := dochecklxdialog
 232
 233 # Add environment specific flags
 234 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 235 HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCXX) $(HOSTCXXFLAGS))
 236
 237 # generated files seem to need this to find local include files
 238 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 239 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 240
 241 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 242 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 243
 244 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 245 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 246                           -Wno-missing-prototypes
 247
 248 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 249
 250 HOSTLOADLIBES_nconf     = $(shell \
 251                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 252                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 253                                 || echo "-lmenu -lpanel -lncurses"  )
 254 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 255
 256 ifeq ($(MAKECMDGOALS),xconfig)
 257 $(obj)/.tmp_qtcheck: $(src)/Makefile
 258 -include $(obj)/.tmp_qtcheck
 259
 260 # Qt needs some extra effort...
 261 $(obj)/.tmp_qtcheck:
 262         @set -e; $(kecho) "  CHECK   qt"; \
 263         if pkg-config --exists Qt5Core; then \
 264             cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
 265             libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
 266             moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
 267         elif pkg-config --exists QtCore; then \
 268             cflags=`pkg-config --cflags QtCore QtGui`; \
 269             libs=`pkg-config --libs QtCore QtGui`; \
 270             moc=`pkg-config --variable=moc_location QtCore`; \
 271         else \
 272             echo >&2 "*"; \
 273             echo >&2 "* Could not find Qt via pkg-config."; \
 274             echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
 275             echo >&2 "*"; \
 276             exit 1; \
 277         fi; \
 278         echo "KC_QT_CFLAGS=$$cflags" > $@; \
 279         echo "KC_QT_LIBS=$$libs" >> $@; \
 280         echo "KC_QT_MOC=$$moc" >> $@
 281 endif
 282
 283 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 284
 285 ifeq ($(MAKECMDGOALS),gconfig)
 286 -include $(obj)/.tmp_gtkcheck
 287
 288 # GTK+ needs some extra effort, too...
 289 $(obj)/.tmp_gtkcheck:
 290         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
 291                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
 292                         touch $@;                                                               \
 293                 else                                                                    \
 294                         echo >&2 "*";                                                   \
 295                         echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
 296                         echo >&2 "*";                                                   \
 297                         false;                                                          \
 298                 fi                                                                      \
 299         else                                                                            \
 300                 echo >&2 "*";                                                           \
 301                 echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
 302                 echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
 303                 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
 304                 echo >&2 "*";                                                           \
 305                 false;                                                                  \
 306         fi
 307 endif
 308
 309 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c
 310
 311 $(obj)/qconf.o: $(obj)/qconf.moc
 312
 313 quiet_cmd_moc = MOC     $@
 314       cmd_moc = $(KC_QT_MOC) -i $< -o $@
 315
 316 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
 317         $(call cmd,moc)
 318
 319 # Extract gconf menu items for i18n support
 320 $(obj)/gconf.glade.h: $(obj)/gconf.glade
 321         $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
 322         $(obj)/gconf.glade