scripts/kconfig/Makefile

   1 # ===========================================================================
   2 # Kernel configuration targets
   3 # These targets are used from top-level makefile
   4
   5 PHONY += oldconfig 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 # We need this, in case the user has it in its environment
  15 unexport CONFIG_
  16
  17 xconfig: $(obj)/qconf
  18         $< $(Kconfig)
  19
  20 gconfig: $(obj)/gconf
  21         $< $(Kconfig)
  22
  23 menuconfig: $(obj)/mconf
  24         $< $(Kconfig)
  25
  26 config: $(obj)/conf
  27         $< --oldaskconfig $(Kconfig)
  28
  29 nconfig: $(obj)/nconf
  30         $< $(Kconfig)
  31
  32 oldconfig: $(obj)/conf
  33         $< --$@ $(Kconfig)
  34
  35 silentoldconfig: $(obj)/conf
  36         $(Q)mkdir -p include/config include/generated
  37         $< --$@ $(Kconfig)
  38
  39 localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
  40         $(Q)mkdir -p include/config include/generated
  41         $(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
  42         $(Q)if [ -f .config ]; then                                     \
  43                         cmp -s .tmp.config .config ||                   \
  44                         (mv -f .config .config.old.1;                   \
  45                          mv -f .tmp.config .config;                     \
  46                          $(obj)/conf --silentoldconfig $(Kconfig);      \
  47                          mv -f .config.old.1 .config.old)               \
  48         else                                                            \
  49                         mv -f .tmp.config .config;                      \
  50                         $(obj)/conf --silentoldconfig $(Kconfig);       \
  51         fi
  52         $(Q)rm -f .tmp.config
  53
  54 # Create new linux.pot file
  55 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
  56 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
  57         $(Q)echo "  GEN     config.pot"
  58         $(Q)xgettext --default-domain=linux                         \
  59             --add-comments --keyword=_ --keyword=N_                 \
  60             --from-code=UTF-8                                       \
  61             --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
  62             --directory=$(srctree) --directory=$(objtree)           \
  63             --output $(obj)/config.pot
  64         $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
  65         $(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
  66             $(srctree)/arch/*/um/Kconfig`;               \
  67             do                                           \
  68                 echo "  GEN     $$i";                    \
  69                 $(obj)/kxgettext $$i                     \
  70                      >> $(obj)/config.pot;               \
  71             done )
  72         $(Q)echo "  GEN     linux.pot"
  73         $(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
  74             --output $(obj)/linux.pot
  75         $(Q)rm -f $(obj)/config.pot
  76
  77 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
  78
  79 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
  80         $< --$@ $(Kconfig)
  81
  82 PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
  83
  84 listnewconfig olddefconfig: $(obj)/conf
  85         $< --$@ $(Kconfig)
  86
  87 # oldnoconfig is an alias of olddefconfig, because people already are dependent
  88 # on its behavior(sets new symbols to their default value but not 'n') with the
  89 # counter-intuitive name.
  90 oldnoconfig: $(obj)/conf
  91         $< --olddefconfig $(Kconfig)
  92
  93 savedefconfig: $(obj)/conf
  94         $< --$@=defconfig $(Kconfig)
  95
  96 defconfig: $(obj)/conf
  97 ifeq ($(KBUILD_DEFCONFIG),)
  98         $< --defconfig $(Kconfig)
  99 else
 100         @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 101         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 102 endif
 103
 104 %_defconfig: $(obj)/conf
 105         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 106
 107 configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
 108
 109 define mergeconfig
 110 $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
 111 $(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
 112 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
 113 $(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 114 endef
 115
 116 PHONY += kvmconfig
 117 kvmconfig:
 118         $(call mergeconfig,kvm_guest)
 119
 120 PHONY += tinyconfig
 121 tinyconfig: allnoconfig
 122         $(call mergeconfig,tiny)
 123
 124 # Help text used by make help
 125 help:
 126         @echo  '  config          - Update current config utilising a line-oriented program'
 127         @echo  '  nconfig         - Update current config utilising a ncurses menu based program'
 128         @echo  '  menuconfig      - Update current config utilising a menu based program'
 129         @echo  '  xconfig         - Update current config utilising a QT based front-end'
 130         @echo  '  gconfig         - Update current config utilising a GTK based front-end'
 131         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 132         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 133         @echo  '  localyesconfig  - Update current config converting local mods to core'
 134         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
 135         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 136         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 137         @echo  '  allnoconfig     - New config where all options are answered with no'
 138         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 139         @echo  '  allmodconfig    - New config selecting modules when possible'
 140         @echo  '  alldefconfig    - New config with all symbols set to default'
 141         @echo  '  randconfig      - New config with random answer to all options'
 142         @echo  '  listnewconfig   - List new options'
 143         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their default value'
 144         @echo  '  kvmconfig       - Enable additional options for guest kernel support'
 145         @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 146
 147 # lxdialog stuff
 148 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 149
 150 # Use recursively expanded variables so we do not call gcc unless
 151 # we really need to do so. (Do not call gcc as part of make mrproper)
 152 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 153                     -DLOCALE
 154
 155 # ===========================================================================
 156 # Shared Makefile for the various kconfig executables:
 157 # conf:   Used for defconfig, oldconfig and related targets
 158 # nconf:  Used for the nconfig target.
 159 #         Utilizes ncurses
 160 # mconf:  Used for the menuconfig target
 161 #         Utilizes the lxdialog package
 162 # qconf:  Used for the xconfig target
 163 #         Based on QT which needs to be installed to compile it
 164 # gconf:  Used for the gconfig target
 165 #         Based on GTK which needs to be installed to compile it
 166 # object files used by all kconfig flavours
 167
 168 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 169 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 170
 171 conf-objs       := conf.o  zconf.tab.o
 172 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 173 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 174 kxgettext-objs  := kxgettext.o zconf.tab.o
 175 qconf-cxxobjs   := qconf.o
 176 qconf-objs      := zconf.tab.o
 177 gconf-objs      := gconf.o zconf.tab.o
 178
 179 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 180
 181 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 182 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
 183 clean-files     += config.pot linux.pot
 184
 185 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 186 PHONY += $(obj)/dochecklxdialog
 187 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 188 $(obj)/dochecklxdialog:
 189         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 190
 191 always := dochecklxdialog
 192
 193 # Add environment specific flags
 194 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 195
 196 # generated files seem to need this to find local include files
 197 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 198 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 199
 200 LEX_PREFIX_zconf        := zconf
 201 YACC_PREFIX_zconf       := zconf
 202
 203 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 204 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 205
 206 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 207 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 208                           -Wno-missing-prototypes
 209
 210 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 211
 212 HOSTLOADLIBES_nconf     = $(shell \
 213                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 214                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 215                                 || echo "-lmenu -lpanel -lncurses"  )
 216 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 217
 218 ifeq ($(MAKECMDGOALS),xconfig)
 219 $(obj)/.tmp_qtcheck: $(src)/Makefile
 220 -include $(obj)/.tmp_qtcheck
 221
 222 # QT needs some extra effort...
 223 $(obj)/.tmp_qtcheck:
 224         @set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
 225         if ! pkg-config --exists QtCore 2> /dev/null; then \
 226             echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
 227             pkg-config --exists qt 2> /dev/null && pkg=qt; \
 228             pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
 229             if [ -n "$$pkg" ]; then \
 230               cflags="\$$(shell pkg-config $$pkg --cflags)"; \
 231               libs="\$$(shell pkg-config $$pkg --libs)"; \
 232               moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
 233               dir="$$(pkg-config $$pkg --variable=prefix)"; \
 234             else \
 235               for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
 236                 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
 237               done; \
 238               if [ -z "$$dir" ]; then \
 239                 echo >&2 "*"; \
 240                 echo >&2 "* Unable to find any QT installation. Please make sure that"; \
 241                 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
 242                 echo >&2 "* either qmake can be found or install pkg-config or set"; \
 243                 echo >&2 "* the QTDIR environment variable to the correct location."; \
 244                 echo >&2 "*"; \
 245                 false; \
 246               fi; \
 247               libpath=$$dir/lib; lib=qt; osdir=""; \
 248               $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
 249                 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
 250               test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
 251               test -f $$libpath/libqt-mt.so && lib=qt-mt; \
 252               cflags="-I$$dir/include"; \
 253               libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
 254               moc="$$dir/bin/moc"; \
 255             fi; \
 256             if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
 257               echo "*"; \
 258               echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
 259               echo "*"; \
 260               moc="/usr/bin/moc"; \
 261             fi; \
 262         else \
 263           cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
 264           libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
 265           moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
 266           [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
 267         fi; \
 268         echo "KC_QT_CFLAGS=$$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 $(obj)/zconf.hash.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