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 # Added for U-Boot
   9 #  Linux has defconfig files in arch/$(SRCARCH)/configs/,
  10 #  on the other hand, U-Boot does in configs/.
  11 #  Set SRCARCH to .. fake this Makefile.
  12 SRCARCH := ..
  13
  14 ifdef KBUILD_KCONFIG
  15 Kconfig := $(KBUILD_KCONFIG)
  16 else
  17 Kconfig := Kconfig
  18 endif
  19
  20 # We need this, in case the user has it in its environment
  21 unexport CONFIG_
  22
  23 xconfig: $(obj)/qconf
  24         $< $(Kconfig)
  25
  26 gconfig: $(obj)/gconf
  27         $< $(Kconfig)
  28
  29 menuconfig: $(obj)/mconf
  30         $< $(Kconfig)
  31
  32 config: $(obj)/conf
  33         $< --oldaskconfig $(Kconfig)
  34
  35 nconfig: $(obj)/nconf
  36         $< $(Kconfig)
  37
  38 oldconfig: $(obj)/conf
  39         $< --$@ $(Kconfig)
  40
  41 silentoldconfig: $(obj)/conf
  42         $(Q)mkdir -p include/config include/generated
  43         $< --$@ $(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 --silentoldconfig $(Kconfig);      \
  53                          mv -f .config.old.1 .config.old)               \
  54         else                                                            \
  55                         mv -f .tmp.config .config;                      \
  56                         $(obj)/conf --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)echo "  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                 echo "  GEN     $$i";                    \
  75                 $(obj)/kxgettext $$i                     \
  76                      >> $(obj)/config.pot;               \
  77             done )
  78         $(Q)echo "  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 PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
  84
  85 allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
  86         $< --$@ $(Kconfig)
  87
  88 PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
  89
  90 listnewconfig olddefconfig: $(obj)/conf
  91         $< --$@ $(Kconfig)
  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: $(obj)/conf
  97         $< --olddefconfig $(Kconfig)
  98
  99 savedefconfig: $(obj)/conf
 100         $< --$@=defconfig $(Kconfig)
 101
 102 defconfig: $(obj)/conf
 103 ifeq ($(KBUILD_DEFCONFIG),)
 104         $< --defconfig $(Kconfig)
 105 else
 106         @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
 107         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 108 endif
 109
 110 %_defconfig: $(obj)/conf
 111         $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 112
 113 # Added for U-Boot (backward compatibility)
 114 %_config: %_defconfig
 115         @:
 116
 117 configfiles=$(wildcard $(srctree)/kernel/configs/$(1).config $(srctree)/arch/$(SRCARCH)/configs/$(1).config)
 118
 119 define mergeconfig
 120 $(if $(wildcard $(objtree)/.config),, $(error You need an existing .config for this target))
 121 $(if $(call configfiles,$(1)),, $(error No configuration exists for this target on this architecture))
 122 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m -O $(objtree) $(objtree)/.config $(call configfiles,$(1))
 123 $(Q)yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
 124 endef
 125
 126 PHONY += kvmconfig
 127 kvmconfig:
 128         $(call mergeconfig,kvm_guest)
 129
 130 PHONY += tinyconfig
 131 tinyconfig: allnoconfig
 132         $(call mergeconfig,tiny)
 133
 134 # Help text used by make help
 135 help:
 136         @echo  '  config          - Update current config utilising a line-oriented program'
 137         @echo  '  nconfig         - Update current config utilising a ncurses menu based program'
 138         @echo  '  menuconfig      - Update current config utilising a menu based program'
 139         @echo  '  xconfig         - Update current config utilising a QT based front-end'
 140         @echo  '  gconfig         - Update current config utilising a GTK based front-end'
 141         @echo  '  oldconfig       - Update current config utilising a provided .config as base'
 142         @echo  '  localmodconfig  - Update current config disabling modules not loaded'
 143         @echo  '  localyesconfig  - Update current config converting local mods to core'
 144         @echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
 145         @echo  '  defconfig       - New config with default from ARCH supplied defconfig'
 146         @echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 147         @echo  '  allnoconfig     - New config where all options are answered with no'
 148         @echo  '  allyesconfig    - New config where all options are accepted with yes'
 149         @echo  '  allmodconfig    - New config selecting modules when possible'
 150         @echo  '  alldefconfig    - New config with all symbols set to default'
 151         @echo  '  randconfig      - New config with random answer to all options'
 152         @echo  '  listnewconfig   - List new options'
 153         @echo  '  olddefconfig    - Same as silentoldconfig but sets new symbols to their default value'
 154 #       @echo  '  kvmconfig       - Enable additional options for guest kernel support'
 155 #       @echo  '  tinyconfig      - Configure the tiniest possible kernel'
 156
 157 # lxdialog stuff
 158 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 159
 160 # Use recursively expanded variables so we do not call gcc unless
 161 # we really need to do so. (Do not call gcc as part of make mrproper)
 162 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
 163                     -DLOCALE
 164
 165 # ===========================================================================
 166 # Shared Makefile for the various kconfig executables:
 167 # conf:   Used for defconfig, oldconfig and related targets
 168 # nconf:  Used for the nconfig target.
 169 #         Utilizes ncurses
 170 # mconf:  Used for the menuconfig target
 171 #         Utilizes the lxdialog package
 172 # qconf:  Used for the xconfig target
 173 #         Based on QT which needs to be installed to compile it
 174 # gconf:  Used for the gconfig target
 175 #         Based on GTK which needs to be installed to compile it
 176 # object files used by all kconfig flavours
 177
 178 lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 179 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 180
 181 conf-objs       := conf.o  zconf.tab.o
 182 mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
 183 nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 184 kxgettext-objs  := kxgettext.o zconf.tab.o
 185 qconf-cxxobjs   := qconf.o
 186 qconf-objs      := zconf.tab.o
 187 gconf-objs      := gconf.o zconf.tab.o
 188
 189 hostprogs-y := conf nconf mconf kxgettext qconf gconf
 190
 191 clean-files     := qconf.moc .tmp_qtcheck .tmp_gtkcheck
 192 clean-files     += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
 193 clean-files     += config.pot linux.pot
 194
 195 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 196 PHONY += $(obj)/dochecklxdialog
 197 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
 198 $(obj)/dochecklxdialog:
 199         $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 200
 201 always := dochecklxdialog
 202
 203 # Add environment specific flags
 204 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 205
 206 # generated files seem to need this to find local include files
 207 HOSTCFLAGS_zconf.lex.o  := -I$(src)
 208 HOSTCFLAGS_zconf.tab.o  := -I$(src)
 209
 210 LEX_PREFIX_zconf        := zconf
 211 YACC_PREFIX_zconf       := zconf
 212
 213 HOSTLOADLIBES_qconf     = $(KC_QT_LIBS)
 214 HOSTCXXFLAGS_qconf.o    = $(KC_QT_CFLAGS)
 215
 216 HOSTLOADLIBES_gconf     = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 217 HOSTCFLAGS_gconf.o      = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
 218                           -Wno-missing-prototypes
 219
 220 HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
 221
 222 HOSTLOADLIBES_nconf     = $(shell \
 223                                 pkg-config --libs menuw panelw ncursesw 2>/dev/null \
 224                                 || pkg-config --libs menu panel ncurses 2>/dev/null \
 225                                 || echo "-lmenu -lpanel -lncurses"  )
 226 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 227
 228 ifeq ($(MAKECMDGOALS),xconfig)
 229 $(obj)/.tmp_qtcheck: $(src)/Makefile
 230 -include $(obj)/.tmp_qtcheck
 231
 232 # QT needs some extra effort...
 233 $(obj)/.tmp_qtcheck:
 234         @set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
 235         if ! pkg-config --exists QtCore 2> /dev/null; then \
 236             echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
 237             pkg-config --exists qt 2> /dev/null && pkg=qt; \
 238             pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
 239             if [ -n "$$pkg" ]; then \
 240               cflags="\$$(shell pkg-config $$pkg --cflags)"; \
 241               libs="\$$(shell pkg-config $$pkg --libs)"; \
 242               moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
 243               dir="$$(pkg-config $$pkg --variable=prefix)"; \
 244             else \
 245               for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
 246                 if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
 247               done; \
 248               if [ -z "$$dir" ]; then \
 249                 echo >&2 "*"; \
 250                 echo >&2 "* Unable to find any QT installation. Please make sure that"; \
 251                 echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
 252                 echo >&2 "* either qmake can be found or install pkg-config or set"; \
 253                 echo >&2 "* the QTDIR environment variable to the correct location."; \
 254                 echo >&2 "*"; \
 255                 false; \
 256               fi; \
 257               libpath=$$dir/lib; lib=qt; osdir=""; \
 258               $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
 259                 osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
 260               test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
 261               test -f $$libpath/libqt-mt.so && lib=qt-mt; \
 262               cflags="-I$$dir/include"; \
 263               libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
 264               moc="$$dir/bin/moc"; \
 265             fi; \
 266             if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
 267               echo "*"; \
 268               echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
 269               echo "*"; \
 270               moc="/usr/bin/moc"; \
 271             fi; \
 272         else \
 273           cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
 274           libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
 275           moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
 276           [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
 277         fi; \
 278         echo "KC_QT_CFLAGS=$$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 $(obj)/zconf.hash.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