scripts/kconfig/Makefile

   1 # ===========================================================================
   2 # Kernel configuration targets
   3 # These targets are used from top-level makefile
   4
   5 PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
   6         localmodconfig localyesconfig
   7
   8 ifdef KBUILD_KCONFIG
   9 Kconfig := $(KBUILD_KCONFIG)
  10 else
  11 Kconfig := Kconfig
  12 endif
  13
  14 ifeq ($(quiet),silent_)
  15 silent := -s
  16 endif
  17
  18 # We need this, in case the user has it in its environment
  19 unexport CONFIG_
  20
  21 xconfig: $(obj)/qconf
  22         $< $(silent) $(Kconfig)
  23
  24 gconfig: $(obj)/gconf
  25         $< $(silent) $(Kconfig)
  26
  27 menuconfig: $(obj)/mconf
  28         $< $(silent) $(Kconfig)
  29
  30 config: $(obj)/conf
  31         $< $(silent) --oldaskconfig $(Kconfig)
  32
  33 nconfig: $(obj)/nconf
  34         $< $(silent) $(Kconfig)
  35
  36 silentoldconfig: $(obj)/conf
  37         $(Q)mkdir -p include/config include/generated
  38         $< $(silent) --$@ $(Kconfig)
  39
  40 localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
  41         $(Q)mkdir -p include/config include/generated
  42         $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
  43         $(Q)if [ -f .config ]; then                                     \
  44                         cmp -s .tmp.config .config ||                   \
  45                         (mv -f .config .config.old.1;                   \
  46                          mv -f .tmp.config .config;                     \
  47                          $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
  48                          mv -f .config.old.1 .config.old)               \
  49         else                                                            \
  50                         mv -f .tmp.config .config;                      \
  51                         $(obj)/conf $(silent) --silentoldconfig $(Kconfig); \
  52         fi
  53         $(Q)rm -f .tmp.config
  54
  55 # Create new linux.pot file
  56 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
  57 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
  58         $(Q)$(kecho) "  GEN     config.pot"
  59         $(Q)xgettext --default-domain=linux                         \
  60             --add-comments --keyword=_ --keyword=N_                 \
  61             --from-code=UTF-8                                       \
  62             --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
  63             --directory=$(srctree) --directory=$(objtree)           \
  64             --output $(obj)/config.pot
  65         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
  66         $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
  67             $(srctree)/arch/*/um/Kconfig`;               \
  68             do                                           \
  69                 $(kecho) "  GEN     $$i";                    \
  70                 $(obj)/kxgettext $$i                     \
  71                      >> $(obj)/config.pot;               \
  72             done )
  73         $(Q)$(kecho) "  GEN     linux.pot"
  74         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
  75             --output $(obj)/linux.pot
  76         $(Q)rm -f $(obj)/config.pot
  77
  78 # These targets map 1:1 to the commandline options of 'conf'
  79 simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
  80         alldefconfig randconfig listnewconfig olddefconfig
  81 PHONY += $(simple-targets)
  82
  83 $(simple-targets): $(obj)/conf
  84         $< $(silent) --$@ $(Kconfig)
  85
  86 PHONY += oldnoconfig savedefconfig defconfig
  87
  88 # oldnoconfig is an alias of olddefconfig, because people already are dependent
  89 # on its behavior (sets new symbols to their default value but not 'n') with the
  90 # counter-intuitive name.
  91 oldnoconfig: olddefconfig
  92
  93 savedefconfig: $(obj)/conf
  94         $< $(silent) --$@=defconfig $(Kconfig)
  95
  96 defconfig: $(obj)/conf
  97 ifeq ($(KBUILD_DEFCONFIG),)
  98         $< $(silent) --defconfig $(Kconfig)
  99 else
 100         @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 101         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 102 endif
 103
 104 %_defconfig: $(obj)/conf
 105         $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 106
 107 configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
 108
 109 %.config: $(obj)/conf
 110         $(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
 111         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
 112         +$(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 113
 114 PHONY += kvmconfig
 115 kvmconfig: kvm_guest.config
 116         @:
 117
 118 PHONY += xenconfig
 119 xenconfig: xen.config
 120         @:
 121
 122 PHONY += tinyconfig
 123 tinyconfig:
 124         $(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
 125
 126 # Help text used by make help
 127 help:
 128         @echo  '  config          - Update current config utilising a line-oriented program'
 129         @echo  '  nconfig         - Update current config utilising a ncurses menu based'
 130         @echo  '                    program'
 131         @echo  '  menuconfig      - Update current config utilising a menu based program'
 132         @echo  '  xconfig         - Update current config utilising a Qt based front-end'
 133         @echo  '  gconfig         - Update current config utilising a GTK+ based front-end'
 134         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 135         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 136         @echo  '  localyesconfig  - Update current config converting local mods to core'
 137         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
 138         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 139         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 140         @echo  '  allnoconfig     - New config where all options are answered with no'
 141         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 142         @echo  '  allmodconfig    - New config selecting modules when possible'
 143         @echo  '  alldefconfig    - New config with all symbols set to default'
 144         @echo  '  randconfig      - New config with random answer to all options'
 145         @echo  '  listnewconfig   - List new options'
 146         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their'
 147         @echo  '                    default value'
 148         @echo  '  kvmconfig       - Enable additional options for kvm guest kernel support'
 149         @echo  '  xenconfig       - Enable additional options for xen dom0 and guest kernel support'
 150         @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 151
 152 # lxdialog stuff
 153 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 154
 155 # Use recursively expanded variables so we do not call gcc unless
 156 # we really need to do so. (Do not call gcc as part of make mrproper)
 157 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 158                     -DLOCALE
 159
 160 # ===========================================================================
 161 # Shared Makefile for the various kconfig executables:
 162 # conf:   Used for defconfig, oldconfig and related targets
 163 # nconf:  Used for the nconfig target.
 164 #         Utilizes ncurses
 165 # mconf:  Used for the menuconfig target
 166 #         Utilizes the lxdialog package
 167 # qconf:  Used for the xconfig target
 168 #         Based on Qt which needs to be installed to compile it
 169 # gconf:  Used for the gconfig target
 170 #         Based on GTK+ which needs to be installed to compile it
 171 # object files used by all kconfig flavours
 172
 173 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 174 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 175
 176 conf-objs       := conf.o  zconf.tab.o
 177 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 178 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 179 kxgettext-objs  := kxgettext.o zconf.tab.o
 180 qconf-cxxobjs   := qconf.o
 181 qconf-objs      := zconf.tab.o
 182 gconf-objs      := gconf.o zconf.tab.o
 183
 184 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 185
 186 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 187 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
 188 clean-files     += config.pot linux.pot
 189
 190 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 191 PHONY += $(obj)/dochecklxdialog
 192 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 193 $(obj)/dochecklxdialog:
 194         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 195
 196 always := dochecklxdialog
 197
 198 # Add environment specific flags
 199 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 200
 201 # generated files seem to need this to find local include files
 202 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 203 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 204
 205 LEX_PREFIX_zconf        := zconf
 206 YACC_PREFIX_zconf       := zconf
 207
 208 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 209 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 210
 211 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 212 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 213                           -Wno-missing-prototypes
 214
 215 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 216
 217 HOSTLOADLIBES_nconf     = $(shell \
 218                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 219                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 220                                 || echo "-lmenu -lpanel -lncurses"  )
 221 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 222
 223 ifeq ($(MAKECMDGOALS),xconfig)
 224 $(obj)/.tmp_qtcheck: $(src)/Makefile
 225 -include $(obj)/.tmp_qtcheck
 226
 227 # Qt needs some extra effort...
 228 $(obj)/.tmp_qtcheck:
 229         @set -e; $(kecho) "  CHECK   qt"; \
 230         qtver=`qmake -query QT_VERSION` || { \
 231             echo >&2 "*"; \
 232             echo >&2 "* qmake failed."; \
 233             echo >&2 "*"; \
 234             exit 1; \
 235         }; \
 236         qtlibdir=`qmake -query QT_INSTALL_LIBS`; \
 237         qthdrdir=`qmake -query QT_INSTALL_HEADERS`; \
 238         qtbindir=`qmake -query QT_INSTALL_BINS`; \
 239         cflags="-I$$qthdrdir -I$$qthdrdir/QtCore -I$$qthdrdir/QtGui"; \
 240         case "$$qtver" in \
 241         5.*) \
 242             cflags="$$cflags -I$$qthdrdir/QtWidgets -std=c++11 -fPIC"; \
 243             libs="-L$$qtlibdir -lQt5Widgets -lQt5Gui -lQt5Core "; \
 244             ;; \
 245         4.*) \
 246             libs="-L$$qtlibdir -lQtGui -lQtCore"; \
 247             ;; \
 248         *) \
 249             echo >&2 "*"; \
 250             echo >&2 "* Found qmake but it is for Qt version $$qtver, which is not supported."; \
 251             echo >&2 "* Please install either Qt 4.8 or 5.x."; \
 252             echo >&2 "*"; \
 253             exit 1; \
 254             ;; \
 255         esac; \
 256         echo "KC_QT_CFLAGS=$$cflags" > $@; \
 257         echo "KC_QT_LIBS=$$libs" >> $@; \
 258         echo "KC_QT_MOC=$$qtbindir/moc" >> $@
 259 endif
 260
 261 $(obj)/gconf.o: $(obj)/.tmp_gtkcheck
 262
 263 ifeq ($(MAKECMDGOALS),gconfig)
 264 -include $(obj)/.tmp_gtkcheck
 265
 266 # GTK+ needs some extra effort, too...
 267 $(obj)/.tmp_gtkcheck:
 268         @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then               \
 269                 if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then                  \
 270                         touch $@;                                                               \
 271                 else                                                                    \
 272                         echo >&2 "*";                                                   \
 273                         echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
 274                         echo >&2 "*";                                                   \
 275                         false;                                                          \
 276                 fi                                                                      \
 277         else                                                                            \
 278                 echo >&2 "*";                                                           \
 279                 echo >&2 "* Unable to find the GTK+ installation. Please make sure that";       \
 280                 echo >&2 "* the GTK+ 2.0 development package is correctly installed...";        \
 281                 echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0.";             \
 282                 echo >&2 "*";                                                           \
 283                 false;                                                                  \
 284         fi
 285 endif
 286
 287 $(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
 288
 289 $(obj)/qconf.o: $(obj)/qconf.moc
 290
 291 quiet_cmd_moc = MOC     $@
 292       cmd_moc = $(KC_QT_MOC) -i $< -o $@
 293
 294 $(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
 295         $(call cmd,moc)
 296
 297 # Extract gconf menu items for i18n support
 298 $(obj)/gconf.glade.h: $(obj)/gconf.glade
 299         $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
 300         $(obj)/gconf.glade