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