scripts/kconfig/Makefile

   1 # ===========================================================================
   2 # Kernel configuration targets
   3 # These targets are used from top-level makefile
   4 #
   5 # SPDX-License-Identifier:      GPL-2.0
   6 #
   7
   8 PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
   9         localmodconfig localyesconfig
  10
  11 # Added for U-Boot
  12 #  Linux has defconfig files in arch/$(SRCARCH)/configs/,
  13 #  on the other hand, U-Boot does in configs/.
  14 #  Set SRCARCH to .. fake this Makefile.
  15 SRCARCH := ..
  16
  17 ifdef KBUILD_KCONFIG
  18 Kconfig := $(KBUILD_KCONFIG)
  19 else
  20 Kconfig := Kconfig
  21 endif
  22
  23 ifeq ($(quiet),silent_)
  24 silent := -s
  25 endif
  26
  27 # We need this, in case the user has it in its environment
  28 unexport CONFIG_
  29
  30 xconfig: $(obj)/qconf
  31         $< $(silent) $(Kconfig)
  32
  33 gconfig: $(obj)/gconf
  34         $< $(silent) $(Kconfig)
  35
  36 menuconfig: $(obj)/mconf
  37         $< $(silent) $(Kconfig)
  38
  39 config: $(obj)/conf
  40         $< $(silent) --oldaskconfig $(Kconfig)
  41
  42 nconfig: $(obj)/nconf
  43         $< $(silent) $(Kconfig)
  44
  45 silentoldconfig: $(obj)/conf
  46         $(Q)mkdir -p include/config include/generated
  47         $< $(silent) --$@ $(Kconfig)
  48
  49 localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
  50         $(Q)mkdir -p include/config include/generated
  51         $(Q)perl $< --$@ $(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                          $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
  57                          mv -f .config.old.1 .config.old)               \
  58         else                                                            \
  59                         mv -f .tmp.config .config;                      \
  60                         $(obj)/conf $(silent) --silentoldconfig $(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 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
 102 savedefconfig: $(obj)/conf
 103         $< $(silent) --$@=defconfig $(Kconfig)
 104
 105 defconfig: $(obj)/conf
 106 ifeq ($(KBUILD_DEFCONFIG),)
 107         $< $(silent) --defconfig $(Kconfig)
 108 else
 109         @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 110         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 111 endif
 112
 113 %_defconfig: $(obj)/conf
 114         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 115
 116 # Added for U-Boot (backward compatibility)
 117 %_config: %_defconfig
 118         @:
 119
 120 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
 121
 122 %.config: $(obj)/conf
 123         $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
 124         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
 125         +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 126
 127 PHONY += kvmconfig
 128 kvmconfig: kvm_guest.config
 129         @:
 130
 131 PHONY += tinyconfig
 132 tinyconfig:
 133         $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
 134
 135 # Help text used by make help
 136 help:
 137         @echo  '  config          - Update current config utilising a line-oriented program'
 138         @echo  '  nconfig         - Update current config utilising a ncurses menu based program'
 139         @echo  '  menuconfig      - Update current config utilising a menu based program'
 140         @echo  '  xconfig         - Update current config utilising a QT based front-end'
 141         @echo  '  gconfig         - Update current config utilising a GTK based front-end'
 142         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 143         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 144         @echo  '  localyesconfig  - Update current config converting local mods to core'
 145         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
 146         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 147         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 148         @echo  '  allnoconfig     - New config where all options are answered with no'
 149         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 150         @echo  '  allmodconfig    - New config selecting modules when possible'
 151         @echo  '  alldefconfig    - New config with all symbols set to default'
 152         @echo  '  randconfig      - New config with random answer to all options'
 153         @echo  '  listnewconfig   - List new options'
 154         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their default value'
 155 #       @echo  '  kvmconfig       - Enable additional options for guest kernel support'
 156 #       @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 157
 158 # lxdialog stuff
 159 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 160
 161 # Use recursively expanded variables so we do not call gcc unless
 162 # we really need to do so. (Do not call gcc as part of make mrproper)
 163 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 164                     -DLOCALE
 165
 166 # ===========================================================================
 167 # Shared Makefile for the various kconfig executables:
 168 # conf:   Used for defconfig, oldconfig and related targets
 169 # nconf:  Used for the nconfig target.
 170 #         Utilizes ncurses
 171 # mconf:  Used for the menuconfig target
 172 #         Utilizes the lxdialog package
 173 # qconf:  Used for the xconfig target
 174 #         Based on QT which needs to be installed to compile it
 175 # gconf:  Used for the gconfig target
 176 #         Based on GTK which needs to be installed to compile it
 177 # object files used by all kconfig flavours
 178
 179 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 180 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 181
 182 conf-objs       := conf.o  zconf.tab.o
 183 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 184 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 185 kxgettext-objs  := kxgettext.o zconf.tab.o
 186 qconf-cxxobjs   := qconf.o
 187 qconf-objs      := zconf.tab.o
 188 gconf-objs      := gconf.o zconf.tab.o
 189
 190 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 191
 192 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 193 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
 194 clean-files     += config.pot linux.pot
 195
 196 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 197 PHONY += $(obj)/dochecklxdialog
 198 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 199 $(obj)/dochecklxdialog:
 200         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 201
 202 always := dochecklxdialog
 203
 204 # Add environment specific flags
 205 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 206
 207 # generated files seem to need this to find local include files
 208 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 209 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 210
 211 LEX_PREFIX_zconf        := zconf
 212 YACC_PREFIX_zconf       := zconf
 213
 214 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 215 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 216
 217 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 218 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 219                           -Wno-missing-prototypes
 220
 221 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 222
 223 HOSTLOADLIBES_nconf     = $(shell \
 224                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 225                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 226                                 || echo "-lmenu -lpanel -lncurses"  )
 227 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 228
 229 ifeq ($(MAKECMDGOALS),xconfig)
 230 $(obj)/.tmp_qtcheck: $(src)/Makefile
 231 -include $(obj)/.tmp_qtcheck
 232
 233 # QT needs some extra effort...
 234 $(obj)/.tmp_qtcheck:
 235         @set -e; $(kecho) "  CHECK   qt"; dir=""; pkg=""; \
 236         if ! pkg-config --exists QtCore 2> /dev/null; then \
 237             echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
 238             pkg-config --exists qt 2> /dev/null && pkg=qt; \
 239             pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
 240             if [ -n "$$pkg" ]; then \
 241               cflags="\$$(shell pkg-config $$pkg --cflags)"; \
 242               libs="\$$(shell pkg-config $$pkg --libs)"; \
 243               moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
 244               dir="$$(pkg-config $$pkg --variable=prefix)"; \
 245             else \
 246               for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
 247                 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
 248               done; \
 249               if [ -z "$$dir" ]; then \
 250                 echo >&2 "*"; \
 251                 echo >&2 "* Unable to find any QT installation. Please make sure that"; \
 252                 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
 253                 echo >&2 "* either qmake can be found or install pkg-config or set"; \
 254                 echo >&2 "* the QTDIR environment variable to the correct location."; \
 255                 echo >&2 "*"; \
 256                 false; \
 257               fi; \
 258               libpath=$$dir/lib; lib=qt; osdir=""; \
 259               $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
 260                 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
 261               test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
 262               test -f $$libpath/libqt-mt.so && lib=qt-mt; \
 263               cflags="-I$$dir/include"; \
 264               libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
 265               moc="$$dir/bin/moc"; \
 266             fi; \
 267             if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
 268               echo "*"; \
 269               echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
 270               echo "*"; \
 271               moc="/usr/bin/moc"; \
 272             fi; \
 273         else \
 274           cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
 275           libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
 276           moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
 277           [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
 278         fi; \
 279         echo "KC_QT_CFLAGS=$$cflags" > $@; \
 280         echo "KC_QT_LIBS=$$libs" >> $@; \
 281         echo "KC_QT_MOC=$$moc" >> $@
 282 endif
 283
 284 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 285
 286 ifeq ($(MAKECMDGOALS),gconfig)
 287 -include $(obj)/.tmp_gtkcheck
 288
 289 # GTK needs some extra effort, too...
 290 $(obj)/.tmp_gtkcheck:
 291         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
 292                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
 293                         touch $@;                                                               \
 294                 else                                                                    \
 295                         echo >&2 "*";                                                   \
 296                         echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
 297                         echo >&2 "*";                                                   \
 298                         false;                                                          \
 299                 fi                                                                      \
 300         else                                                                            \
 301                 echo >&2 "*";                                                           \
 302                 echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
 303                 echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
 304                 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
 305                 echo >&2 "*";                                                           \
 306                 false;                                                                  \
 307         fi
 308 endif
 309
 310 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
 311
 312 $(obj)/qconf.o: $(obj)/qconf.moc
 313
 314 quiet_cmd_moc = MOC     $@
 315       cmd_moc = $(KC_QT_MOC) -i $< -o $@
 316
 317 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
 318         $(call cmd,moc)
 319
 320 # Extract gconf menu items for I18N support
 321 $(obj)/gconf.glade.h: $(obj)/gconf.glade
 322         $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
 323         $(obj)/gconf.glade