7a88488bbc
Use gperf to generate a hash for the kconfig keywords. This greatly reduces the size of the generated scanner and makes it easier to extend kconfig. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Cc: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
244 lines
7.2 KiB
Makefile
244 lines
7.2 KiB
Makefile
# ===========================================================================
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# Kernel configuration targets
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# These targets are used from top-level makefile
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.PHONY: oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
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xconfig: $(obj)/qconf
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$< arch/$(ARCH)/Kconfig
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gconfig: $(obj)/gconf
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$< arch/$(ARCH)/Kconfig
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menuconfig: $(obj)/mconf
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$(Q)$(MAKE) $(build)=scripts/lxdialog
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$< arch/$(ARCH)/Kconfig
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config: $(obj)/conf
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$< arch/$(ARCH)/Kconfig
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oldconfig: $(obj)/conf
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$< -o arch/$(ARCH)/Kconfig
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silentoldconfig: $(obj)/conf
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$< -s arch/$(ARCH)/Kconfig
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update-po-config: $(obj)/kxgettext
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xgettext --default-domain=linux \
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--add-comments --keyword=_ --keyword=N_ \
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--files-from=scripts/kconfig/POTFILES.in \
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--output scripts/kconfig/config.pot
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$(Q)ln -fs Kconfig_i386 arch/um/Kconfig_arch
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$(Q)for i in `ls arch/`; \
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do \
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scripts/kconfig/kxgettext arch/$$i/Kconfig \
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done
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$(Q)msgcat scripts/kconfig/config.pot \
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`find scripts/kconfig/ -type f -name linux_*.pot` \
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--output scripts/kconfig/linux_raw.pot
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$(Q)msguniq --sort-by-file scripts/kconfig/linux_raw.pot \
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--output scripts/kconfig/linux.pot
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$(Q)rm -f arch/um/Kconfig_arch
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$(Q)rm -f scripts/kconfig/linux_*.pot scripts/kconfig/config.pot
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.PHONY: randconfig allyesconfig allnoconfig allmodconfig defconfig
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randconfig: $(obj)/conf
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$< -r arch/$(ARCH)/Kconfig
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allyesconfig: $(obj)/conf
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$< -y arch/$(ARCH)/Kconfig
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allnoconfig: $(obj)/conf
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$< -n arch/$(ARCH)/Kconfig
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allmodconfig: $(obj)/conf
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$< -m arch/$(ARCH)/Kconfig
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defconfig: $(obj)/conf
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ifeq ($(KBUILD_DEFCONFIG),)
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$< -d arch/$(ARCH)/Kconfig
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else
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@echo *** Default configuration is based on '$(KBUILD_DEFCONFIG)'
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$(Q)$< -D arch/$(ARCH)/configs/$(KBUILD_DEFCONFIG) arch/$(ARCH)/Kconfig
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endif
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%_defconfig: $(obj)/conf
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$(Q)$< -D arch/$(ARCH)/configs/$@ arch/$(ARCH)/Kconfig
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# Help text used by make help
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help:
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@echo ' config - Update current config utilising a line-oriented program'
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@echo ' menuconfig - Update current config utilising a menu based program'
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@echo ' xconfig - Update current config utilising a QT based front-end'
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@echo ' gconfig - Update current config utilising a GTK based front-end'
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@echo ' oldconfig - Update current config utilising a provided .config as base'
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@echo ' randconfig - New config with random answer to all options'
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@echo ' defconfig - New config with default answer to all options'
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@echo ' allmodconfig - New config selecting modules when possible'
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@echo ' allyesconfig - New config where all options are accepted with yes'
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@echo ' allnoconfig - New minimal config'
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# ===========================================================================
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# Shared Makefile for the various kconfig executables:
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# conf: Used for defconfig, oldconfig and related targets
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# mconf: Used for the mconfig target.
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# Utilizes the lxdialog package
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# qconf: Used for the xconfig target
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# Based on QT which needs to be installed to compile it
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# gconf: Used for the gconfig target
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# Based on GTK which needs to be installed to compile it
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# object files used by all kconfig flavours
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hostprogs-y := conf mconf qconf gconf kxgettext
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conf-objs := conf.o zconf.tab.o
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mconf-objs := mconf.o zconf.tab.o
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kxgettext-objs := kxgettext.o zconf.tab.o
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ifeq ($(MAKECMDGOALS),xconfig)
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qconf-target := 1
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endif
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ifeq ($(MAKECMDGOALS),gconfig)
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gconf-target := 1
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endif
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ifeq ($(qconf-target),1)
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qconf-cxxobjs := qconf.o
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qconf-objs := kconfig_load.o zconf.tab.o
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endif
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ifeq ($(gconf-target),1)
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gconf-objs := gconf.o kconfig_load.o zconf.tab.o
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endif
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clean-files := lkc_defs.h qconf.moc .tmp_qtcheck \
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.tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c
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# Needed for systems without gettext
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KBUILD_HAVE_NLS := $(shell \
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if echo "\#include <libintl.h>" | $(HOSTCC) $(HOSTCFLAGS) -E - > /dev/null 2>&1 ; \
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then echo yes ; \
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else echo no ; fi)
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ifeq ($(KBUILD_HAVE_NLS),no)
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HOSTCFLAGS += -DKBUILD_NO_NLS
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endif
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# generated files seem to need this to find local include files
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HOSTCFLAGS_lex.zconf.o := -I$(src)
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HOSTCFLAGS_zconf.tab.o := -I$(src)
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HOSTLOADLIBES_qconf = -L$(QTLIBPATH) -Wl,-rpath,$(QTLIBPATH) -l$(LIBS_QT) -ldl
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HOSTCXXFLAGS_qconf.o = -I$(QTDIR)/include -D LKC_DIRECT_LINK
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HOSTLOADLIBES_gconf = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --libs`
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HOSTCFLAGS_gconf.o = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --cflags` \
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-D LKC_DIRECT_LINK
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$(obj)/qconf.o: $(obj)/.tmp_qtcheck
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ifeq ($(qconf-target),1)
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MOC = $(QTDIR)/bin/moc
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QTLIBPATH = $(QTDIR)/lib
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-include $(obj)/.tmp_qtcheck
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# QT needs some extra effort...
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$(obj)/.tmp_qtcheck:
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@set -e; for d in $$QTDIR /usr/share/qt* /usr/lib/qt*; do \
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if [ -f $$d/include/qconfig.h ]; then DIR=$$d; break; fi; \
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done; \
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if [ -z "$$DIR" ]; then \
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echo "*"; \
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echo "* Unable to find the QT installation. Please make sure that the"; \
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echo "* QT development package is correctly installed and the QTDIR"; \
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echo "* environment variable is set to the correct location."; \
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echo "*"; \
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false; \
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fi; \
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LIBPATH=$$DIR/lib; LIB=qt; \
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if [ -f $$QTLIB/libqt-mt.so ] ; then \
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LIB=qt-mt; \
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LIBPATH=$$QTLIB; \
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else \
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$(HOSTCXX) -print-multi-os-directory > /dev/null 2>&1 && \
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LIBPATH=$$DIR/lib/$$($(HOSTCXX) -print-multi-os-directory); \
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if [ -f $$LIBPATH/libqt-mt.so ]; then LIB=qt-mt; fi; \
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fi; \
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echo "QTDIR=$$DIR" > $@; echo "QTLIBPATH=$$LIBPATH" >> $@; \
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echo "LIBS_QT=$$LIB" >> $@; \
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if [ ! -x $$DIR/bin/moc -a -x /usr/bin/moc ]; then \
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echo "*"; \
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echo "* Unable to find $$DIR/bin/moc, using /usr/bin/moc instead."; \
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echo "*"; \
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echo "MOC=/usr/bin/moc" >> $@; \
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fi
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endif
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$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
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ifeq ($(gconf-target),1)
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-include $(obj)/.tmp_gtkcheck
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# GTK needs some extra effort, too...
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$(obj)/.tmp_gtkcheck:
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@if `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --exists`; then \
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if `pkg-config gtk+-2.0 --atleast-version=2.0.0`; then \
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touch $@; \
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else \
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echo "*"; \
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echo "* GTK+ is present but version >= 2.0.0 is required."; \
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echo "*"; \
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false; \
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fi \
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else \
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echo "*"; \
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echo "* Unable to find the GTK+ installation. Please make sure that"; \
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echo "* the GTK+ 2.0 development package is correctly installed..."; \
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echo "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
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echo "*"; \
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false; \
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fi
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endif
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$(obj)/zconf.tab.o: $(obj)/lex.zconf.c $(obj)/zconf.hash.c
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$(obj)/kconfig_load.o: $(obj)/lkc_defs.h
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$(obj)/qconf.o: $(obj)/qconf.moc $(obj)/lkc_defs.h
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$(obj)/gconf.o: $(obj)/lkc_defs.h
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$(obj)/%.moc: $(src)/%.h
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$(MOC) -i $< -o $@
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$(obj)/lkc_defs.h: $(src)/lkc_proto.h
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sed < $< > $@ 's/P(\([^,]*\),.*/#define \1 (\*\1_p)/'
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###
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# The following requires flex/bison/gperf
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# By default we use the _shipped versions, uncomment the following line if
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# you are modifying the flex/bison src.
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# LKC_GENPARSER := 1
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ifdef LKC_GENPARSER
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$(obj)/zconf.tab.c: $(src)/zconf.y
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$(obj)/lex.zconf.c: $(src)/zconf.l
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$(obj)/zconf.hash.c: $(src)/zconf.gperf
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%.tab.c: %.y
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bison -l -b $* -p $(notdir $*) $<
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cp $@ $@_shipped
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lex.%.c: %.l
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flex -L -P$(notdir $*) -o$@ $<
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cp $@ $@_shipped
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%.hash.c: %.gperf
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gperf < $< > $@
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cp $@ $@_shipped
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endif
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