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-rw-r--r--scripts/kconfig/Makefile428
1 files changed, 171 insertions, 257 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 844bc9da08da..fb50bd4f4103 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -1,120 +1,143 @@
+# SPDX-License-Identifier: GPL-2.0
# ===========================================================================
# Kernel configuration targets
# These targets are used from top-level makefile
-PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config \
- localmodconfig localyesconfig
-
ifdef KBUILD_KCONFIG
Kconfig := $(KBUILD_KCONFIG)
else
Kconfig := Kconfig
endif
-# We need this, in case the user has it in its environment
-unexport CONFIG_
-
-xconfig: $(obj)/qconf
- $< $(Kconfig)
-
-gconfig: $(obj)/gconf
- $< $(Kconfig)
+ifndef KBUILD_DEFCONFIG
+KBUILD_DEFCONFIG := defconfig
+endif
-menuconfig: $(obj)/mconf
- $< $(Kconfig)
+ifeq ($(quiet),silent_)
+silent := -s
+endif
-config: $(obj)/conf
- $< --oldaskconfig $(Kconfig)
+export KCONFIG_DEFCONFIG_LIST :=
+ifndef cross_compiling
+kernel-release := $(shell uname -r)
+KCONFIG_DEFCONFIG_LIST += \
+ /lib/modules/$(kernel-release)/.config \
+ /etc/kernel-config \
+ /boot/config-$(kernel-release)
+endif
+KCONFIG_DEFCONFIG_LIST += arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)
-nconfig: $(obj)/nconf
- $< $(Kconfig)
+ifneq ($(findstring c, $(KBUILD_EXTRA_WARN)),)
+export KCONFIG_WARN_UNKNOWN_SYMBOLS=1
+endif
-oldconfig: $(obj)/conf
- $< --$@ $(Kconfig)
+ifneq ($(findstring e, $(KBUILD_EXTRA_WARN)),)
+export KCONFIG_WERROR=1
+endif
-silentoldconfig: $(obj)/conf
- $(Q)mkdir -p include/generated
- $< --$@ $(Kconfig)
+# We need this, in case the user has it in its environment
+unexport CONFIG_
-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); \
+config-prog := conf
+menuconfig-prog := mconf
+nconfig-prog := nconf
+gconfig-prog := gconf
+xconfig-prog := qconf
+
+define config_rule
+PHONY += $(1)
+$(1): $(obj)/$($(1)-prog)
+ $(Q)$$< $(silent) $(Kconfig)
+
+PHONY += build_$(1)
+build_$(1): $(obj)/$($(1)-prog)
+endef
+
+$(foreach c, config menuconfig nconfig gconfig xconfig, $(eval $(call config_rule,$(c))))
+
+PHONY += localmodconfig localyesconfig
+localyesconfig localmodconfig: $(obj)/conf
+ $(Q)$(PERL) $(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
+ $(Q)if [ -f .config ]; then \
+ cmp -s .tmp.config .config || \
+ (mv -f .config .config.old.1; \
+ mv -f .tmp.config .config; \
+ $< $(silent) --oldconfig $(Kconfig); \
+ mv -f .config.old.1 .config.old) \
+ else \
+ mv -f .tmp.config .config; \
+ $< $(silent) --oldconfig $(Kconfig); \
fi
$(Q)rm -f .tmp.config
-# Create new linux.pot file
-# Adjust charset to UTF-8 in .po file to accept UTF-8 in Kconfig files
-update-po-config: $(obj)/kxgettext $(obj)/gconf.glade.h
- $(Q)echo " GEN config.pot"
- $(Q)xgettext --default-domain=linux \
- --add-comments --keyword=_ --keyword=N_ \
- --from-code=UTF-8 \
- --files-from=$(srctree)/scripts/kconfig/POTFILES.in \
- --directory=$(srctree) --directory=$(objtree) \
- --output $(obj)/config.pot
- $(Q)sed -i s/CHARSET/UTF-8/ $(obj)/config.pot
- $(Q)(for i in `ls $(srctree)/arch/*/Kconfig \
- $(srctree)/arch/*/um/Kconfig`; \
- do \
- echo " GEN $$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 $(obj)/config.pot
-
-PHONY += allnoconfig allyesconfig allmodconfig alldefconfig randconfig
-
-allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
- $< --$@ $(Kconfig)
-
-PHONY += listnewconfig olddefconfig oldnoconfig savedefconfig defconfig
-
-listnewconfig olddefconfig: $(obj)/conf
- $< --$@ $(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)
+# These targets map 1:1 to the commandline options of 'conf'
+#
+# Note:
+# syncconfig has become an internal implementation detail and is now
+# deprecated for external use
+simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
+ alldefconfig randconfig listnewconfig olddefconfig syncconfig \
+ helpnewconfig yes2modconfig mod2yesconfig mod2noconfig
+
+PHONY += $(simple-targets)
+
+$(simple-targets): $(obj)/conf
+ $(Q)$< $(silent) --$@ $(Kconfig)
+
+PHONY += savedefconfig defconfig
savedefconfig: $(obj)/conf
- $< --$@=defconfig $(Kconfig)
+ $(Q)$< $(silent) --$@=defconfig $(Kconfig)
defconfig: $(obj)/conf
-ifeq ($(KBUILD_DEFCONFIG),)
- $< --defconfig $(Kconfig)
+ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
+ @$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
+ $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
else
- @echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
- $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
+ @$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
+ $(Q)$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
endif
%_defconfig: $(obj)/conf
- $(Q)$< --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
+ $(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
+
+configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARCH)/configs/$(1))
+all-config-fragments = $(call configfiles,*.config)
+config-fragments = $(call configfiles,$@)
+
+cmd_merge_fragments = $(srctree)/scripts/kconfig/merge_config.sh -m $(KCONFIG_CONFIG) $(config-fragments)
+
+%.config: $(obj)/conf
+ $(if $(config-fragments),, $(error $@ fragment does not exists on this architecture))
+ $(call cmd,merge_fragments)
+ $(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+
+PHONY += tinyconfig
+tinyconfig:
+ $(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig
+ $(Q)$(MAKE) -f $(srctree)/Makefile tiny.config
+
+# CHECK: -o cache_dir=<path> working?
+PHONY += testconfig
+testconfig: $(obj)/conf
+ $(Q)$(PYTHON3) -B -m pytest $(src)/tests \
+ -o cache_dir=$(abspath $(obj)/tests/.cache) \
+ $(if $(findstring 1,$(KBUILD_VERBOSE)),--capture=no)
+clean-files += tests/.cache
# Help text used by make help
help:
+ @echo 'Configuration targets:'
@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 ' 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 ' localmodconfig - Update current config disabling modules not loaded'
+ @echo ' except those preserved by LMC_KEEP environment variable'
@echo ' localyesconfig - Update current config converting local mods to core'
- @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
+ @echo ' except those preserved by LMC_KEEP environment variable'
@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'
@@ -122,201 +145,92 @@ help:
@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 ' yes2modconfig - Change answers from yes to mod if possible'
+ @echo ' mod2yesconfig - Change answers from mod to yes if possible'
+ @echo ' mod2noconfig - Change answers from mod to no if possible'
@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) \
- -DLOCALE
+ @echo ' helpnewconfig - List new options and help text'
+ @echo ' olddefconfig - Same as oldconfig but sets new symbols to their'
+ @echo ' default value without prompting'
+ @echo ' tinyconfig - Configure the tiniest possible kernel'
+ @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)'
+ @echo ''
+ @echo 'Configuration topic targets:'
+ @$(foreach f, $(all-config-fragments), \
+ if help=$$(grep -m1 '^# Help: ' $(f)); then \
+ printf ' %-25s - %s\n' '$(notdir $(f))' "$${help#*: }"; \
+ fi;)
# ===========================================================================
-# Shared Makefile for the various kconfig executables:
-# conf: Used for defconfig, oldconfig and related targets
-# 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
-# gconf: Used for the gconfig target
-# Based on GTK which needs to be installed to compile it
# object files used by all kconfig flavours
+common-objs := confdata.o expr.o lexer.lex.o menu.o parser.tab.o \
+ preprocess.o symbol.o util.o
-lxdialog := lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o
-lxdialog += lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o
+$(obj)/lexer.lex.o: $(obj)/parser.tab.h
+HOSTCFLAGS_lexer.lex.o := -I $(src)
+HOSTCFLAGS_parser.tab.o := -I $(src)
-conf-objs := conf.o zconf.tab.o
-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
+# conf: Used for defconfig, oldconfig and related targets
+hostprogs += conf
+conf-objs := conf.o $(common-objs)
-hostprogs-y := conf
+# nconf: Used for the nconfig target based on ncurses
+hostprogs += nconf
+nconf-objs := nconf.o nconf.gui.o mnconf-common.o $(common-objs)
-ifeq ($(MAKECMDGOALS),nconfig)
- hostprogs-y += nconf
-endif
+HOSTLDLIBS_nconf = $(call read-file, $(obj)/nconf-libs)
+HOSTCFLAGS_nconf.o = $(call read-file, $(obj)/nconf-cflags)
+HOSTCFLAGS_nconf.gui.o = $(call read-file, $(obj)/nconf-cflags)
-ifeq ($(MAKECMDGOALS),menuconfig)
- hostprogs-y += mconf
-endif
+$(obj)/nconf: | $(obj)/nconf-libs
+$(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags
-ifeq ($(MAKECMDGOALS),update-po-config)
- hostprogs-y += kxgettext
-endif
+# mconf: Used for the menuconfig target based on lxdialog
+hostprogs += mconf
+lxdialog := $(addprefix lxdialog/, \
+ checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
+mconf-objs := mconf.o $(lxdialog) mnconf-common.o $(common-objs)
-ifeq ($(MAKECMDGOALS),xconfig)
- qconf-target := 1
-endif
-ifeq ($(MAKECMDGOALS),gconfig)
- gconf-target := 1
-endif
+HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs)
+$(foreach f, mconf.o $(lxdialog), \
+ $(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags)))
+$(obj)/mconf: | $(obj)/mconf-libs
+$(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags
-ifeq ($(qconf-target),1)
- hostprogs-y += qconf
-endif
+# qconf: Used for the xconfig target based on Qt
+hostprogs += qconf
+qconf-cxxobjs := qconf.o qconf-moc.o
+qconf-objs := images.o $(common-objs)
-ifeq ($(gconf-target),1)
- hostprogs-y += gconf
-endif
+HOSTLDLIBS_qconf = $(call read-file, $(obj)/qconf-libs)
+HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
+HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
+$(obj)/qconf: | $(obj)/qconf-libs
+$(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags
-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) $(HOSTLOADLIBES_mconf)
-
-always := dochecklxdialog
-
-# Add environment specific flags
-HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))
-
-# generated files seem to need this to find local include files
-HOSTCFLAGS_zconf.lex.o := -I$(src)
-HOSTCFLAGS_zconf.tab.o := -I$(src)
-
-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` \
- -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)
-$(obj)/.tmp_qtcheck: $(src)/Makefile
--include $(obj)/.tmp_qtcheck
-
-# QT needs some extra effort...
-$(obj)/.tmp_qtcheck:
- @set -e; echo " CHECK qt"; dir=""; pkg=""; \
- 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 \
- 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=$$libs" >> $@; \
- echo "KC_QT_MOC=$$moc" >> $@
-endif
+quiet_cmd_moc = MOC $@
+ cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@
-$(obj)/gconf.o: $(obj)/.tmp_gtkcheck
-
-ifeq ($(gconf-target),1)
--include $(obj)/.tmp_gtkcheck
-
-# GTK needs some extra effort, too...
-$(obj)/.tmp_gtkcheck:
- @if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
- if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
- touch $@; \
- else \
- echo >&2 "*"; \
- echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
- echo >&2 "*"; \
- false; \
- fi \
- else \
- echo >&2 "*"; \
- echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \
- echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \
- echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
- echo >&2 "*"; \
- false; \
- fi
-endif
+$(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin
+ $(call if_changed,moc)
-$(obj)/zconf.tab.o: $(obj)/zconf.lex.c $(obj)/zconf.hash.c
+targets += qconf-moc.cc
-$(obj)/qconf.o: $(obj)/qconf.moc
+# gconf: Used for the gconfig target based on GTK+
+hostprogs += gconf
+gconf-objs := gconf.o images.o $(common-objs)
-quiet_cmd_moc = MOC $@
- cmd_moc = $(KC_QT_MOC) -i $< -o $@
+HOSTLDLIBS_gconf = $(call read-file, $(obj)/gconf-libs)
+HOSTCFLAGS_gconf.o = $(call read-file, $(obj)/gconf-cflags)
+
+$(obj)/gconf: | $(obj)/gconf-libs
+$(obj)/gconf.o: | $(obj)/gconf-cflags
-$(obj)/%.moc: $(src)/%.h $(obj)/.tmp_qtcheck
- $(call cmd,moc)
+# check if necessary packages are available, and configure build flags
+cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin
-# Extract gconf menu items for I18N support
-$(obj)/gconf.glade.h: $(obj)/gconf.glade
- $(Q)intltool-extract --type=gettext/glade --srcdir=$(srctree) \
- $(obj)/gconf.glade
+$(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh
+ $(call cmd,conf_cfg)
+clean-files += *conf-cflags *conf-libs *conf-bin
generated by cgit (git 2.34.1) at 2025-12-27 06:05:31 +0000