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esp-idf/tools/kconfig/Makefile
Angus Gratton 2264ea7714 kconfig: Add -MP option so .d files include empty targets 
Prevents make-level errors when switching IDF versions, as headers may be removed.

Similar to some mentioned here:
https://github.com/espressif/esp-idf/issues/712
2019-08-21 18:20:47 +10:00

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Makefile
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# ===========================================================================
# Kernel configuration targets
# These targets are used from top-level makefile
# SRCDIR is kconfig source dir, allows for out-of-tree builds
# if building in tree, SRCDIR==build dir
SRCDIR := $(abspath $(dir $(firstword $(MAKEFILE_LIST))))
PHONY += xconfig gconfig menuconfig config silentoldconfig \
localmodconfig localyesconfig clean
ifdef KBUILD_KCONFIG
Kconfig := $(KBUILD_KCONFIG)
else
Kconfig := Kconfig
endif
ifeq ($(quiet),silent_)
silent := -s
endif
# We need this, in case the user has it in its environment
unexport CONFIG_
# Unset some environment variables set in the project environment
CFLAGS :=
CPPFLAGS :=
LDFLAGS :=
# Workaround for a bug on Windows if the mingw32 host compilers
# are installed in addition to the MSYS ones. The kconfig tools
# need to be compiled using the MSYS compiler.
#
# See https://github.com/espressif/esp-idf/issues/1296
ifdef MSYSTEM
ifeq ("$(MSYSTEM)", "MINGW32")
ifeq ("$(CC)", "cc")
CC := /usr/bin/gcc
endif
ifeq ("$(LD)", "ld")
LD := /usr/bin/ld
endif
endif # MING32
endif # MSYSTEM
default: mconf-idf conf-idf
xconfig: qconf
$< $(silent) $(Kconfig)
gconfig: gconf
$< $(silent) $(Kconfig)
menuconfig: mconf-idf
$< $(silent) $(Kconfig)
config: conf-idf
$< $(silent) --oldaskconfig $(Kconfig)
nconfig: nconf
$< $(silent) $(Kconfig)
silentoldconfig: conf-idf
mkdir -p include/config include/generated
$< $(silent) --$@ $(Kconfig)
localyesconfig localmodconfig: streamline_config.pl conf-idf
mkdir -p include/config include/generated
perl $< --$@ . $(Kconfig) > .tmp.config
if [ -f .config ]; then \
cmp -s .tmp.config .config || \
(mv -f .config .config.old.1; \
mv -f .tmp.config .config; \
conf-idf $(silent) --silentoldconfig $(Kconfig); \
mv -f .config.old.1 .config.old) \
else \
mv -f .tmp.config .config; \
conf-idf $(silent) --silentoldconfig $(Kconfig); \
fi
rm -f .tmp.config
# These targets map 1:1 to the commandline options of 'conf-idf'
simple-targets := oldconfig allnoconfig allyesconfig allmodconfig \
alldefconfig randconfig listnewconfig olddefconfig
PHONY += $(simple-targets)
$(simple-targets): conf-idf
$< $(silent) --$@ $(Kconfig)
PHONY += oldnoconfig savedefconfig defconfig
# 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: olddefconfig
savedefconfig: conf-idf
$< $(silent) --$@=defconfig $(Kconfig)
defconfig: conf-idf
ifeq ($(KBUILD_DEFCONFIG),)
$< $(silent) --defconfig $(Kconfig)
else
ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG)),)
@$(kecho) "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
else
@$(kecho) "*** Default configuration is based on target '$(KBUILD_DEFCONFIG)'"
$(MAKE) -f $(srctree)/Makefile $(KBUILD_DEFCONFIG)
endif
endif
%_defconfig: conf-idf
$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
%.config: conf-idf
$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
+yes "" | $(MAKE) -f $(srctree)/Makefile oldconfig
PHONY += kvmconfig
kvmconfig: kvm_guest.config
@:
PHONY += xenconfig
xenconfig: xen.config
@:
PHONY += tinyconfig
tinyconfig:
$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config
# 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'
@echo ' 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 ' 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'
@echo ' default value'
@echo ' kvmconfig - Enable additional options for kvm guest kernel support'
@echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
@echo ' tinyconfig - Configure the tiniest possible kernel'
# lxdialog stuff
check-lxdialog := $(SRCDIR)/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)
CFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
-DLOCALE -MMD -MP
CFLAGS += -I "." -I "${SRCDIR}"
%.o: $(SRCDIR)/%.c
$(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@
lxdialog/%.o: $(SRCDIR)/lxdialog/%.c
$(CC) -c $(CFLAGS) $(CPPFLAGS) $< -o $@
%.o: %.c
$(CC) -I $(SRCDIR) -c $(CFLAGS) $(CPPFLAGS) $< -o $@
# ===========================================================================
# Shared Makefile for the various kconfig executables:
# conf-idf: Used for defconfig, oldconfig and related targets
# nconf: Used for the nconfig target.
# Utilizes ncurses
# mconf-idf: 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
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 expand_env.o
mconf-objs := mconf.o zconf.tab.o $(lxdialog) expand_env.o
nconf-objs := nconf.o zconf.tab.o nconf.gui.o expand_env.o
kxgettext-objs := kxgettext.o zconf.tab.o expand_env.o
qconf-cxxobjs := qconf.o
qconf-objs := zconf.tab.o expand_env.o
gconf-objs := gconf.o zconf.tab.o expand_env.o
hostprogs-y := conf-idf nconf mconf-idf kxgettext qconf gconf
all-objs := $(conf-objs) $(mconf-objs) $(lxdialog)
all-deps := $(all-objs:.o=.d)
clean-files := qconf.moc .tmp_qtcheck .tmp_gtkcheck
clean-files += zconf.tab.c zconf.lex.c zconf.hash.c gconf.glade.h
clean-files += $(all-objs) $(all-deps) conf-idf mconf-idf conf mconf
# (note: cleans both mconf & conf (old names) and conf-idf & mconf-idf (new names))
# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
PHONY += dochecklxdialog
$(addprefix ,$(lxdialog)): dochecklxdialog
dochecklxdialog: lxdialog
$(CONFIG_SHELL) $(check-lxdialog) -check $(CC) $(CFLAGS) $(LOADLIBES_mconf)
lxdialog:
mkdir -p lxdialog
always := dochecklxdialog
# Add environment specific flags
EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(CC) $(CFLAGS))
# generated files seem to need this to find local include files
CFLAGS_zconf.lex.o := -I$(src)
CFLAGS_zconf.tab.o := -I$(src)
LEX_PREFIX_zconf := zconf
YACC_PREFIX_zconf := zconf
LOADLIBES_qconf = $(KC_QT_LIBS)
CXXFLAGS_qconf.o = $(KC_QT_CFLAGS)
LOADLIBES_gconf = `pkg-config --libs gtk+-2.0 gmodule-2.0 libglade-2.0`
CFLAGS_gconf.o = `pkg-config --cflags gtk+-2.0 gmodule-2.0 libglade-2.0` \
-Wno-missing-prototypes
LOADLIBES_mconf = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(CC))
LOADLIBES_conf = $(LOADLIBES_mconf)
LOADLIBES_nconf = $(shell \
pkg-config --libs menuw panelw ncursesw 2>/dev/null \
|| pkg-config --libs menu panel ncurses 2>/dev/null \
|| echo "-lmenu -lpanel -lncurses" )
ifeq ("$(OS)","Windows_NT")
# Windows toolchains don't seem to count libintl
# as a system library
LOADLIBES_mconf += -lintl
LOADLIBES_nconf += -lintl
endif
qconf.o: .tmp_qtcheck
ifeq ($(MAKECMDGOALS),xconfig)
.tmp_qtcheck: $(src)/Makefile
-include .tmp_qtcheck
# Qt needs some extra effort...
.tmp_qtcheck:
@set -e; $(kecho) " CHECK qt"; \
if pkg-config --exists Qt5Core; then \
cflags="-std=c++11 -fPIC `pkg-config --cflags Qt5Core Qt5Gui Qt5Widgets`"; \
libs=`pkg-config --libs Qt5Core Qt5Gui Qt5Widgets`; \
moc=`pkg-config --variable=host_bins Qt5Core`/moc; \
elif pkg-config --exists QtCore; then \
cflags=`pkg-config --cflags QtCore QtGui`; \
libs=`pkg-config --libs QtCore QtGui`; \
moc=`pkg-config --variable=moc_location QtCore`; \
else \
echo >&2 "*"; \
echo >&2 "* Could not find Qt via pkg-config."; \
echo >&2 "* Please install either Qt 4.8 or 5.x. and make sure it's in PKG_CONFIG_PATH"; \
echo >&2 "*"; \
exit 1; \
fi; \
echo "KC_QT_CFLAGS=$$cflags" > $@; \
echo "KC_QT_LIBS=$$libs" >> $@; \
echo "KC_QT_MOC=$$moc" >> $@
endif
gconf.o: .tmp_gtkcheck
ifeq ($(MAKECMDGOALS),gconfig)
-include .tmp_gtkcheck
# GTK+ needs some extra effort, too...
.tmp_gtkcheck:
@if `pkg-config --exists gtk+-2.0 gmodule-2.0 libglade-2.0`; then \
if `pkg-config --atleast-version=2.0.0 gtk+-2.0`; then \
touch $@; \
else \
echo >&2 "*"; \
echo >&2 "* GTK+ is present but version >= 2.0.0 is required."; \
echo >&2 "*"; \
false; \
fi \
else \
echo >&2 "*"; \
echo >&2 "* Unable to find the GTK+ installation. Please make sure that"; \
echo >&2 "* the GTK+ 2.0 development package is correctly installed..."; \
echo >&2 "* You need gtk+-2.0, glib-2.0 and libglade-2.0."; \
echo >&2 "*"; \
false; \
fi
endif
zconf.tab.o: zconf.lex.c zconf.hash.c
qconf.o: qconf.moc
quiet_cmd_moc = MOC $@
cmd_moc = $(KC_QT_MOC) -i $< -o $@
%.moc: $(src)/%.h .tmp_qtcheck
$(call cmd,moc)
# Extract gconf menu items for i18n support
gconf.glade.h: gconf.glade
intltool-extract --type=gettext/glade --srcdir=$(srctree) \
gconf.glade
mconf-idf: lxdialog $(mconf-objs)
$(CC) -o $@ $(mconf-objs) $(LOADLIBES_mconf)
conf-idf: $(conf-objs)
$(CC) -o $@ $(conf-objs) $(LOADLIBES_conf)
zconf.tab.c: zconf.lex.c
zconf.lex.c: $(SRCDIR)/zconf.l
flex -L -Pzconf -ozconf.lex.c $<
zconf.hash.c: $(SRCDIR)/zconf.gperf
# strip CRs on Windows systems where gperf will otherwise barf on them
sed -E "s/\\x0D$$//" $< | gperf -t --output-file zconf.hash.c -a -C -E -g -k '1,3,$$' -p -t
zconf.tab.c: $(SRCDIR)/zconf.y
bison -t -l -p zconf -o zconf.tab.c $<
clean:
rm -f $(clean-files)
-include $(all-deps)
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