125 lines
3.6 KiB
Makefile
125 lines
3.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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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 *.o lxdialog/*.o *.moc $(clean-files) conf mconf qconf
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clean-files :=
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# ===========================================================================
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# Variables needed by the upstream Makefile
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# Avoids displaying 'UPD mconf-cfg' in an otherwise quiet make menuconfig
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kecho:=true
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CONFIG_SHELL:=$(SHELL)
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srctree:=.
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src:=.
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obj:=.
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Q:=$(if $V,,@)
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cmd = $(cmd_$(1))
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dot-target = $(dir $@).$(notdir $@)
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# taken from ../Kbuild.include
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define filechk
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$(Q)set -e; \
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mkdir -p $(dir $@); \
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trap "rm -f $(dot-target).tmp" EXIT; \
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{ $(filechk_$(1)); } > $(dot-target).tmp; \
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if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then \
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$(kecho) ' UPD $@'; \
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mv -f $(dot-target).tmp $@; \
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fi
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endef
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### Stripped down upstream Makefile follows:
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# ===========================================================================
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# object files used by all kconfig flavours
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common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \
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symbol.o util.o
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$(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-y += conf
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conf-objs := conf.o $(common-objs)
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# mconf: Used for the menuconfig target based on lxdialog
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hostprogs-y += 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 = $(shell . $(obj)/mconf-cfg && echo $$libs)
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$(foreach f, mconf.o $(lxdialog), \
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$(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags)))
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$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg
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# qconf: Used for the xconfig target based on Qt
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hostprogs-y += qconf
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qconf-cxxobjs := qconf.o
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qconf-objs := images.o $(common-objs)
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HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs)
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HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags)
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$(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc
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quiet_cmd_moc = MOC $@
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cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@
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$(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg
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$(call cmd,moc)
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# check if necessary packages are available, and configure build flags
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filechk_conf_cfg = $(CONFIG_SHELL) $<
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$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE
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$(call filechk,conf_cfg)
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clean-files += *conf-cfg
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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 $* $<
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%.lex.c: %.l
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flex -L -o$@ $<
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endif
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$(foreach f, mconf.o $(lxdialog), \
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$(eval $f: CFLAGS+=$$(HOSTCFLAGS_$f)))
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$(obj)/lexer.lex.o: CFLAGS += $(HOSTCFLAGS_lexer.lex.o)
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$(obj)/parser.tab.o: CFLAGS += $(HOSTCFLAGS_parser.tab.o)
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$(obj)/qconf.o: CXXFLAGS+=$(HOSTCXXFLAGS_qconf.o)
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conf: $(conf-objs)
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# The *conf-cfg file is used (then filtered out) as the first prerequisite to
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# avoid sourcing it before the script is built, when trying to compute CFLAGS
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# for the actual first prerequisite. This avoids errors like:
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# '/bin/sh: ./mconf-cfg: No such file or directory'
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mconf: mconf-cfg $(mconf-objs)
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$(CC) -o $@ $(filter-out mconf-cfg,$^) $(HOSTLDLIBS_mconf)
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qconf: qconf-cfg $(qconf-cxxobjs) $(qconf-objs)
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$(CXX) -o $@ $(filter-out qconf-cfg,$^) $(HOSTLDLIBS_qconf)
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