openwrt/scripts/config/Makefile

126 lines
3.8 KiB
Makefile
Raw Normal View History

# SPDX-License-Identifier: GPL-2.0-only
# ===========================================================================
# OpenWrt configuration targets
.PHONY: clean all
all: conf mconf
clean:
rm -f $(clean-files) $(hostprogs)
clean-files := *.o lxdialog/*.o *.moc qconf-moc.cc \
*conf-cfg # <- This should be removed after 23.05 is EOL
# ===========================================================================
# Variables needed by the upstream Makefile
export HOSTPKG_CONFIG=pkg-config
CONFIG_SHELL:=$(SHELL)
src:=$(CURDIR)
obj:=.
Q:=$(if $V,,@)
quiet:=$(if $V,,_silent)
include Kbuild.include
### Stripped down upstream Makefile follows:
# ===========================================================================
# 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
$(obj)/lexer.lex.o: $(obj)/parser.tab.h
HOSTCFLAGS_lexer.lex.o := -I $(srctree)/$(src)
HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
# conf: Used for defconfig, oldconfig and related targets
hostprogs += conf
conf-objs := conf.o $(common-objs)
# nconf: Used for the nconfig target based on ncurses
hostprogs += nconf
nconf-objs := nconf.o nconf.gui.o $(common-objs)
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)
$(obj)/nconf: | $(obj)/nconf-libs
$(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags
# 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) $(common-objs)
HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs)
$(foreach f, mconf.o $(lxdialog), \
$(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags)))
$(obj)/mconf: | $(obj)/mconf-libs
$(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags
# qconf: Used for the xconfig target based on Qt
hostprogs += qconf
qconf-cxxobjs := qconf.o qconf-moc.o
qconf-objs := images.o $(common-objs)
HOSTLDLIBS_qconf = $(call read-file, $(obj)/qconf-libs)
HOSTCXXFLAGS_qconf.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
$(obj)/qconf: | $(obj)/qconf-libs
$(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags
quiet_cmd_moc = MOC $@
cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@
$(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin
$(call if_changed,moc)
targets += qconf-moc.cc
# check if necessary packages are available, and configure build flags
cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin
$(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh
$(call cmd,conf_cfg)
clean-files += *conf-cflags *conf-libs *conf-bin
# ===========================================================================
# OpenWrt rules and final adjustments that need to be made after reading the
# full upstream Makefile
FORCE:
ifdef BUILD_SHIPPED_FILES
shipped-files := lexer.lex.c parser.tab.c parser.tab.h
clean-files += $(shipped-files)
.SECONDARY: $(shipped-files)
%.tab.c %.tab.h: %.y
bison -l -d -b $* $<
%.lex.c: %.l
flex -L -o$@ $<
endif
define link_rule
$(1): LDLIBS+=$$(HOSTLDLIBS_$(1))
$(1): $($(1)-objs) $$($(1)-cxxobjs)
$(if $($(1)-cxxobjs), $(CXX) $$(LDFLAGS) -o $$@ $$^ $$(LDLIBS))
all-objs += $($(1)-objs)
all-cxxobjs += $($(1)-cxxobjs)
endef
all-objs:=
all-cxxobjs:=
$(foreach f,$(hostprogs),$(eval $(call link_rule,$f)))
$(foreach f,$(sort $(all-objs)), \
$(eval $f: CFLAGS+=$$(HOSTCFLAGS_$f)))
$(foreach f,$(sort $(all-cxxobjs)), \
$(eval $f: CXXFLAGS+=$$(HOSTCXXFLAGS_$f)))