pull kconfig from linux-3.11

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

1 files changed, 161 insertions, 128 deletions

diff --git a/extra/config/Makefile.kconfig b/extra/config/Makefile.kconfig
index 83c20c474..844bc9da0 100644
--- a/extra/config/Makefile.kconfig
+++ b/extra/config/Makefile.kconfig
@@ -2,14 +2,18 @@
 # Kernel configuration targets
 # These targets are used from top-level makefile
 
-PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
+PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
+	localmodconfig localyesconfig
 
 ifdef KBUILD_KCONFIG
 Kconfig := $(KBUILD_KCONFIG)
 else
-Kconfig := arch/$(SRCARCH)/Kconfig
+Kconfig := Kconfig
 endif
 
+# We need this, in case the user has it in its environment
+unexport CONFIG_
+
 xconfig: $(obj)/qconf
 	$< $(Kconfig)
 
@@ -20,91 +24,121 @@ menuconfig: $(obj)/mconf
 	$< $(Kconfig)
 
 config: $(obj)/conf
+	$< --oldaskconfig $(Kconfig)
+
+nconfig: $(obj)/nconf
 	$< $(Kconfig)
 
 oldconfig: $(obj)/conf
-	$< -o $(Kconfig)
+	$< --$@ $(Kconfig)
 
 silentoldconfig: $(obj)/conf
-	$< -s $(Kconfig)
+	$(Q)mkdir -p include/generated
+	$< --$@ $(Kconfig)
+
+localyesconfig localmodconfig: $(obj)/streamline_config.pl $(obj)/conf
+	$(Q)mkdir -p include/generated
+	$(Q)perl $< --$@ $(srctree) $(Kconfig) > .tmp.config
+	$(Q)if [ -f .config ]; then 					\
+			cmp -s .tmp.config .config ||			\
+			(mv -f .config .config.old.1;			\
+			 mv -f .tmp.config .config;			\
+			 $(obj)/conf --silentoldconfig $(Kconfig);	\
+			 mv -f .config.old.1 .config.old)		\
+	else								\
+			mv -f .tmp.config .config;			\
+			$(obj)/conf --silentoldconfig $(Kconfig);	\
+	fi
+	$(Q)rm -f .tmp.config
 
 # Create new linux.pot file
 # Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
-# The symlink is used to repair a deficiency in arch/um
 update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
-	$(Q)echo "  GEN config"
-	$(Q)xgettext --default-domain=linux              \
-	    --add-comments --keyword=_ --keyword=N_      \
-	    --from-code=UTF-8                            \
-	    --files-from=scripts/kconfig/POTFILES.in     \
+	$(Q)echo "  GEN     config.pot"
+	$(Q)xgettext --default-domain=linux                         \
+	    --add-comments --keyword=_ --keyword=N_                 \
+	    --from-code=UTF-8                                       \
+	    --files-from=$(srctree)/scripts/kconfig/POTFILES.in     \
+	    --directory=$(srctree) --directory=$(objtree)           \
 	    --output $(obj)/config.pot
 	$(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
-	$(Q)ln -fs Kconfig.i386 arch/um/Kconfig.arch
-	$(Q)(for i in `ls arch/*/Kconfig`;               \
+	$(Q)(for i in `ls $(srctree)/arch/*/Kconfig      \
+	    $(srctree)/arch/*/um/Kconfig`;               \
 	    do                                           \
-		echo "  GEN $$i";                        \
+		echo "  GEN     $$i";                    \
 		$(obj)/kxgettext $$i                     \
 		     >> $(obj)/config.pot;               \
 	    done )
+	$(Q)echo "  GEN     linux.pot"
 	$(Q)msguniq --sort-by-file --to-code=UTF-8 $(obj)/config.pot \
 	    --output $(obj)/linux.pot
-	$(Q)rm -f arch/um/Kconfig.arch
 	$(Q)rm -f $(obj)/config.pot
 
-PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
+PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
+
+allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
+	$< --$@ $(Kconfig)
 
-randconfig: $(obj)/conf
-	$< -r $(Kconfig)
+PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
 
-allyesconfig: $(obj)/conf
-	$< -y $(Kconfig)
+listnewconfig olddefconfig: $(obj)/conf
+	$< --$@ $(Kconfig)
 
-allnoconfig: $(obj)/conf
-	$< -n $(Kconfig)
+# oldnoconfig is an alias of olddefconfig, because people already are dependent
+# on its behavior(sets new symbols to their default value but not 'n') with the
+# counter-intuitive name.
+oldnoconfig: $(obj)/conf
+	$< --olddefconfig $(Kconfig)
 
-allmodconfig: $(obj)/conf
-	$< -m $(Kconfig)
+savedefconfig: $(obj)/conf
+	$< --$@=defconfig $(Kconfig)
 
 defconfig: $(obj)/conf
 ifeq ($(KBUILD_DEFCONFIG),)
-	$< -d $(Kconfig)
+	$< --defconfig $(Kconfig)
 else
 	@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
-	$(Q)$< -D arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
+	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
 endif
 
 %_defconfig: $(obj)/conf
-	$(Q)$< -D arch/$(SRCARCH)/configs/$@ $(Kconfig)
+	$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
 
 # Help text used by make help
 help:
 	@echo  '  config	  - Update current config utilising a line-oriented program'
+	@echo  '  nconfig         - Update current config utilising a ncurses menu based program'
 	@echo  '  menuconfig	  - Update current config utilising a menu based program'
 	@echo  '  xconfig	  - Update current config utilising a QT based front-end'
 	@echo  '  gconfig	  - Update current config utilising a GTK based front-end'
 	@echo  '  oldconfig	  - Update current config utilising a provided .config as base'
-	@echo  '  silentoldconfig - Same as oldconfig, but quietly'
-	@echo  '  randconfig	  - New config with random answer to all options'
-	@echo  '  defconfig	  - New config with default answer to all options'
-	@echo  '  allmodconfig	  - New config selecting modules when possible'
-	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
+	@echo  '  localmodconfig  - Update current config disabling modules not loaded'
+	@echo  '  localyesconfig  - Update current config converting local mods to core'
+	@echo  '  silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
+	@echo  '  defconfig	  - New config with default from ARCH supplied defconfig'
+	@echo  '  savedefconfig   - Save current config as ./defconfig (minimal config)'
 	@echo  '  allnoconfig	  - New config where all options are answered with no'
+	@echo  '  allyesconfig	  - New config where all options are accepted with yes'
+	@echo  '  allmodconfig	  - New config selecting modules when possible'
+	@echo  '  alldefconfig    - New config with all symbols set to default'
+	@echo  '  randconfig	  - New config with random answer to all options'
+	@echo  '  listnewconfig   - List new options'
+	@echo  '  olddefconfig	  - Same as silentoldconfig but sets new symbols to their default value'
 
 # lxdialog stuff
 check-lxdialog  := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
 
 # Use recursively expanded variables so we do not call gcc unless
 # we really need to do so. (Do not call gcc as part of make mrproper)
-HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
-HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-
-HOST_EXTRACFLAGS += -DLOCALE
-
+HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
+                    -DLOCALE
 
 # ===========================================================================
 # Shared Makefile for the various kconfig executables:
 # conf:	  Used for defconfig, oldconfig and related targets
-# mconf:  Used for the mconfig target.
+# nconf:  Used for the nconfig target.
+#         Utilizes ncurses
+# mconf:  Used for the menuconfig target
 #         Utilizes the lxdialog package
 # qconf:  Used for the xconfig target
 #         Based on QT which needs to be installed to compile it
@@ -116,15 +150,27 @@ lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
 lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
 
 conf-objs	:= conf.o  zconf.tab.o
-mconf-objs	:= mconf.o zconf.tab.o $(lxdialog)
+mconf-objs     := mconf.o zconf.tab.o $(lxdialog)
+nconf-objs     := nconf.o zconf.tab.o nconf.gui.o
 kxgettext-objs	:= kxgettext.o zconf.tab.o
+qconf-cxxobjs	:= qconf.o
+qconf-objs	:= zconf.tab.o
+gconf-objs	:= gconf.o zconf.tab.o
+
+hostprogs-y := conf
 
-hostprogs-y := conf qconf gconf kxgettext
+ifeq ($(MAKECMDGOALS),nconfig)
+	hostprogs-y += nconf
+endif
 
 ifeq ($(MAKECMDGOALS),menuconfig)
 	hostprogs-y += mconf
 endif
 
+ifeq ($(MAKECMDGOALS),update-po-config)
+	hostprogs-y += kxgettext
+endif
+
 ifeq ($(MAKECMDGOALS),xconfig)
 	qconf-target := 1
 endif
@@ -134,24 +180,23 @@ endif
 
 
 ifeq ($(qconf-target),1)
-qconf-cxxobjs	:= qconf.o
-qconf-objs	:= kconfig_load.o zconf.tab.o
+	hostprogs-y += qconf
 endif
 
 ifeq ($(gconf-target),1)
-gconf-objs	:= gconf.o kconfig_load.o zconf.tab.o
+	hostprogs-y += gconf
 endif
 
-clean-files	:= lkc_defs.h qconf.moc .tmp_qtcheck \
-		   .tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c gconf.glade.h
-clean-files     += mconf qconf gconf
+clean-files	:= qconf.moc .tmp_qtcheck .tmp_gtkcheck
+clean-files	+= zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
+clean-files     += mconf qconf gconf nconf
 clean-files     += config.pot linux.pot
 
 # Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
 PHONY += $(obj)/dochecklxdialog
 $(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
-#$(obj)/dochecklxdialog:
-#	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
+$(obj)/dochecklxdialog:
+	$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOSTLOADLIBES_mconf)
 
 always := dochecklxdialog
 
@@ -159,16 +204,24 @@ always := dochecklxdialog
 HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
 
 # generated files seem to need this to find local include files
-HOSTCFLAGS_lex.zconf.o	:= -I$(src)
+HOSTCFLAGS_zconf.lex.o	:= -I$(src)
 HOSTCFLAGS_zconf.tab.o	:= -I$(src)
 
-HOSTLOADLIBES_qconf	= $(KC_QT_LIBS) -ldl
-HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS) -D LKC_DIRECT_LINK
+LEX_PREFIX_zconf	:= zconf
+YACC_PREFIX_zconf	:= zconf
+
+HOSTLOADLIBES_qconf	= $(KC_QT_LIBS)
+HOSTCXXFLAGS_qconf.o	= $(KC_QT_CFLAGS)
 
 HOSTLOADLIBES_gconf	= `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
 HOSTCFLAGS_gconf.o	= `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
-                          -D LKC_DIRECT_LINK
+                          -Wno-missing-prototypes
 
+HOSTLOADLIBES_mconf   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
+
+HOSTLOADLIBES_nconf	= $(shell \
+				pkg-config --libs menu panel ncurses 2>/dev/null \
+				|| echo "-lmenu -lpanel -lncurses"  )
 $(obj)/qconf.o: $(obj)/.tmp_qtcheck
 
 ifeq ($(qconf-target),1)
@@ -178,40 +231,48 @@ $(obj)/.tmp_qtcheck: $(src)/Makefile
 # QT needs some extra effort...
 $(obj)/.tmp_qtcheck:
 	@set -e; echo "  CHECK   qt"; dir=""; pkg=""; \
-	pkg-config --exists qt 2> /dev/null && pkg=qt; \
-	pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
-	if [ -n "$$pkg" ]; then \
-	  cflags="\$$(shell pkg-config $$pkg --cflags)"; \
-	  libs="\$$(shell pkg-config $$pkg --libs)"; \
-	  moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
-	  dir="$$(pkg-config $$pkg --variable=prefix)"; \
+	if ! pkg-config --exists QtCore 2> /dev/null; then \
+	    echo "* Unable to find the QT4 tool qmake. Trying to use QT3"; \
+	    pkg-config --exists qt 2> /dev/null && pkg=qt; \
+	    pkg-config --exists qt-mt 2> /dev/null && pkg=qt-mt; \
+	    if [ -n "$$pkg" ]; then \
+	      cflags="\$$(shell pkg-config $$pkg --cflags)"; \
+	      libs="\$$(shell pkg-config $$pkg --libs)"; \
+	      moc="\$$(shell pkg-config $$pkg --variable=prefix)/bin/moc"; \
+	      dir="$$(pkg-config $$pkg --variable=prefix)"; \
+	    else \
+	      for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
+	        if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
+	      done; \
+	      if [ -z "$$dir" ]; then \
+	        echo >&2 "*"; \
+	        echo >&2 "* Unable to find any QT installation. Please make sure that"; \
+	        echo >&2 "* the QT4 or QT3 development package is correctly installed and"; \
+	        echo >&2 "* either qmake can be found or install pkg-config or set"; \
+	        echo >&2 "* the QTDIR environment variable to the correct location."; \
+	        echo >&2 "*"; \
+	        false; \
+	      fi; \
+	      libpath=$$dir/lib; lib=qt; osdir=""; \
+	      $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
+	        osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
+	      test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
+	      test -f $$libpath/libqt-mt.so && lib=qt-mt; \
+	      cflags="-I$$dir/include"; \
+	      libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
+	      moc="$$dir/bin/moc"; \
+	    fi; \
+	    if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
+	      echo "*"; \
+	      echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
+	      echo "*"; \
+	      moc="/usr/bin/moc"; \
+	    fi; \
 	else \
-	  for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
-	    if [ -f $$d/include/qconfig.h ]; then dir=$$d; break; fi; \
-	  done; \
-	  if [ -z "$$dir" ]; then \
-	    echo "*"; \
-	    echo "* Unable to find the QT3 installation. Please make sure that"; \
-	    echo "* the QT3 development package is correctly installed and"; \
-	    echo "* either install pkg-config or set the QTDIR environment"; \
-	    echo "* variable to the correct location."; \
-	    echo "*"; \
-	    false; \
-	  fi; \
-	  libpath=$$dir/lib; lib=qt; osdir=""; \
-	  $(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
-	    osdir=x$$($(HOSTCXX) -print-multi-os-directory); \
-	  test -d $$libpath/$$osdir && libpath=$$libpath/$$osdir; \
-	  test -f $$libpath/libqt-mt.so && lib=qt-mt; \
-	  cflags="-I$$dir/include"; \
-	  libs="-L$$libpath -Wl,-rpath,$$libpath -l$$lib"; \
-	  moc="$$dir/bin/moc"; \
-	fi; \
-	if [ ! -x $$dir/bin/moc -a -x /usr/bin/moc ]; then \
-	  echo "*"; \
-	  echo "* Unable to find $$dir/bin/moc, using /usr/bin/moc instead."; \
-	  echo "*"; \
-	  moc="/usr/bin/moc"; \
+	  cflags="\$$(shell pkg-config QtCore QtGui Qt3Support --cflags)"; \
+	  libs="\$$(shell pkg-config QtCore QtGui Qt3Support --libs)"; \
+	  moc="\$$(shell pkg-config QtCore --variable=moc_location)"; \
+	  [ -n "$$moc" ] || moc="\$$(shell pkg-config QtCore --variable=prefix)/bin/moc"; \
 	fi; \
 	echo "KC_QT_CFLAGS=$$cflags" > $@; \
 	echo "KC_QT_LIBS=$$libs" >> $@; \
@@ -229,61 +290,33 @@ $(obj)/.tmp_gtkcheck:
 		if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then			\
 			touch $@;								\
 		else									\
-			echo "*"; 							\
-			echo "* GTK+ is present but version >= 2.0.0 is required.";	\
-			echo "*";							\
+			echo >&2 "*"; 							\
+			echo >&2 "* GTK+ is present but version >= 2.0.0 is required.";	\
+			echo >&2 "*";							\
 			false;								\
 		fi									\
 	else										\
-		echo "*"; 								\
-		echo "* Unable to find the GTK+ installation. Please make sure that"; 	\
-		echo "* the GTK+ 2.0 development package is correctly installed..."; 	\
-		echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
-		echo "*"; 								\
+		echo >&2 "*"; 								\
+		echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; 	\
+		echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; 	\
+		echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; 		\
+		echo >&2 "*"; 								\
 		false;									\
 	fi
 endif
 
-$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
-
-$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
-
-$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
+$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
 
-$(obj)/gconf.o: $(obj)/lkc_defs.h
+$(obj)/qconf.o: $(obj)/qconf.moc
 
-$(obj)/%.moc: $(src)/%.h
-	$(KC_QT_MOC) -i $< -o $@
+quiet_cmd_moc = MOC     $@
+      cmd_moc = $(KC_QT_MOC) -i $< -o $@
 
-$(obj)/lkc_defs.h: $(src)/lkc_proto.h
-	sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
+$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
+	$(call cmd,moc)
 
 # Extract gconf menu items for I18N support
 $(obj)/gconf.glade.h: $(obj)/gconf.glade
-	intltool-extract --type=gettext/glade $(obj)/gconf.glade
+	$(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
+	$(obj)/gconf.glade
 
-###
-# The following requires flex/bison/gperf
-# By default we use the _shipped versions, uncomment the following line if
-# you are modifying the flex/bison src.
-# LKC_GENPARSER := 1
-
-ifdef LKC_GENPARSER
-
-$(obj)/zconf.tab.c: $(src)/zconf.y
-$(obj)/lex.zconf.c: $(src)/zconf.l
-$(obj)/zconf.hash.c: $(src)/zconf.gperf
-
-%.tab.c: %.y
-	bison -l -b $* -p $(notdir $*) $<
-	cp $@ $@_shipped
-
-lex.%.c: %.l
-	flex -L -P$(notdir $*) -o$@ $<
-	cp $@ $@_shipped
-
-%.hash.c: %.gperf
-	gperf < $< > $@
-	cp $@ $@_shipped
-
-endif