diff options
Diffstat (limited to 'scripts/config/Makefile')
| -rw-r--r-- | scripts/config/Makefile | 174 |
1 files changed, 98 insertions, 76 deletions
diff --git a/scripts/config/Makefile b/scripts/config/Makefile index 1f9184e3aa..eb55b759a8 100644 --- a/scripts/config/Makefile +++ b/scripts/config/Makefile @@ -1,102 +1,124 @@ +# SPDX-License-Identifier: GPL-2.0 # =========================================================================== # OpenWrt configuration targets -# These targets are used from top-level makefile + +.PHONY: clean all +all: conf mconf +clean: + rm -f *.o lxdialog/*.o *.moc $(clean-files) conf mconf qconf + +clean-files := # =========================================================================== -# Shared Makefile for the various kconfig executables: -# conf: Used for defconfig, oldconfig and related targets -# mconf: Used for the mconfig target. -# Utilizes the lxdialog package -# qconf: Used for the xconfig target -# Based on Qt which needs to be installed to compile it +# Variables needed by the upstream Makefile + +# Avoids displaying 'UPD mconf-cfg' in an otherwise quiet make menuconfig +kecho:=true + +CONFIG_SHELL:=$(SHELL) +srctree:=. +src:=. +obj:=. +Q:=$(if $V,,@) +cmd = $(cmd_$(1)) +dot-target = $(dir $@).$(notdir $@) + +# taken from ../Kbuild.include +define filechk + $(Q)set -e; \ + mkdir -p $(dir $@); \ + trap "rm -f $(dot-target).tmp" EXIT; \ + { $(filechk_$(1)); } > $(dot-target).tmp; \ + if [ ! -r $@ ] || ! cmp -s $@ $(dot-target).tmp; then \ + $(kecho) ' UPD $@'; \ + mv -f $(dot-target).tmp $@; \ + fi +endef + +### Stripped down upstream Makefile follows: +# =========================================================================== # object files used by all kconfig flavours +common-objs := confdata.o expr.o lexer.lex.o parser.tab.o preprocess.o \ + symbol.o util.o + +$(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-y += conf +conf-objs := conf.o $(common-objs) -# Platform specific fixes -# -# FreeBSD +# mconf: Used for the menuconfig target based on lxdialog +hostprogs-y += mconf +lxdialog := $(addprefix lxdialog/, \ + checklist.o inputbox.o menubox.o textbox.o util.o yesno.o) +mconf-objs := mconf.o $(lxdialog) $(common-objs) -check_lxdialog = $(shell $(SHELL) $(CURDIR)/lxdialog/check-lxdialog.sh -$(1)) -export CFLAGS += -DKBUILD_NO_NLS -I. $(call check_lxdialog,ccflags) -export CXXFLAGS += -DKBUILD_NO_NLS +HOSTLDLIBS_mconf = $(shell . $(obj)/mconf-cfg && echo $$libs) +$(foreach f, mconf.o $(lxdialog), \ + $(eval HOSTCFLAGS_$f = $$(shell . $(obj)/mconf-cfg && echo $$$$cflags))) -conf-objs := conf.o zconf.tab.o -mconf-objs := mconf.o zconf.tab.o +$(addprefix $(obj)/, mconf.o $(lxdialog)): $(obj)/mconf-cfg + +# qconf: Used for the xconfig target based on Qt +hostprogs-y += qconf qconf-cxxobjs := qconf.o -qconf-objs := zconf.tab.o +qconf-objs := images.o $(common-objs) -lxdialog-objs := \ - lxdialog/checklist.o lxdialog/util.o lxdialog/inputbox.o \ - lxdialog/textbox.o lxdialog/yesno.o lxdialog/menubox.o +HOSTLDLIBS_qconf = $(shell . $(obj)/qconf-cfg && echo $$libs) +HOSTCXXFLAGS_qconf.o = $(shell . $(obj)/qconf-cfg && echo $$cflags) -clean-files := zconf.tab.c zconf.lex.c zconf.hash.c -# Remove qconf junk files -clean-files += $(qconf-cxxobjs) qconf.moc .tmp_qtcheck qconf +$(obj)/qconf.o: $(obj)/qconf-cfg $(obj)/qconf.moc -all: conf mconf +quiet_cmd_moc = MOC $@ + cmd_moc = $(shell . $(obj)/qconf-cfg && echo $$moc) -i $< -o $@ -conf: $(conf-objs) -mconf: $(mconf-objs) $(lxdialog-objs) - $(CC) -o $@ $^ $(call check_lxdialog,ldflags $(CC)) -qconf: $(qconf-cxxobjs) $(qconf-objs) - $(CXX) -o $@ $^ $(HOSTLOADLIBES_qconf) +$(obj)/%.moc: $(src)/%.h $(obj)/qconf-cfg + $(call cmd,moc) -clean: - rm -f *.o lxdialog/*.o $(clean-files) conf mconf +# check if necessary packages are available, and configure build flags +filechk_conf_cfg = $(CONFIG_SHELL) $< + +$(obj)/%conf-cfg: $(src)/%conf-cfg.sh FORCE + $(call filechk,conf_cfg) + +clean-files += *conf-cfg -zconf.tab.o: zconf.lex.c zconf.hash.c confdata.c +# =========================================================================== +# OpenWrt rules and final adjustments that need to be made after reading the +# full upstream Makefile + +FORCE: -kconfig_load.o: lkc_defs.h +ifdef BUILD_SHIPPED_FILES +shipped-files := lexer.lex.c parser.tab.c parser.tab.h +clean-files += $(shipped-files) -zconf.tab.c: zconf.y $(wildcard zconf.tab.c_shipped) -zconf.lex.c: zconf.l $(wildcard zconf.lex.c_shipped) -zconf.hash.c: zconf.gperf $(wildcard zconf.hash.c_shipped) +.SECONDARY: $(shipped-files) -%.tab.c: %.y - cp $@_shipped $@ || bison -l -b $* -p $(notdir $*) $< +%.tab.c %.tab.h: %.y + bison -l -d -b $* $< %.lex.c: %.l - cp $@_shipped $@ || flex -L -P$(notdir $*) -o$@ $< - -%.hash.c: %.gperf - cp $@_shipped $@ || gperf < $< > $@ - -ifeq ($(MAKECMDGOALS),qconf) -qconf.o: .tmp_qtcheck -.tmp_qtcheck: Makefile --include .tmp_qtcheck - -# Qt needs some extra effort... -.tmp_qtcheck: - @set -e; echo " 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=$$moc" >> $@ + flex -L -o$@ $< endif -#Define compiler flags to build qconf -HOSTLOADLIBES_qconf = $(KC_QT_LIBS) -HOSTCXXFLAGS_qconf.o = $(KC_QT_CFLAGS) +$(foreach f, mconf.o $(lxdialog), \ + $(eval $f: CFLAGS+=$$(HOSTCFLAGS_$f))) -qconf.o: qconf.moc -qconf.o: CXXFLAGS+=$(HOSTCXXFLAGS_qconf.o) +$(obj)/lexer.lex.o: CFLAGS += $(HOSTCFLAGS_lexer.lex.o) +$(obj)/parser.tab.o: CFLAGS += $(HOSTCFLAGS_parser.tab.o) +$(obj)/qconf.o: CXXFLAGS+=$(HOSTCXXFLAGS_qconf.o) + +conf: $(conf-objs) -moc = $(KC_QT_MOC) -i $< -o $@ +# The *conf-cfg file is used (then filtered out) as the first prerequisite to +# avoid sourcing it before the script is built, when trying to compute CFLAGS +# for the actual first prerequisite. This avoids errors like: +# '/bin/sh: ./mconf-cfg: No such file or directory' +mconf: mconf-cfg $(mconf-objs) + $(CC) -o $@ $(filter-out mconf-cfg,$^) $(HOSTLDLIBS_mconf) -%.moc: %.h .tmp_qtcheck - $(call moc) +qconf: qconf-cfg $(qconf-cxxobjs) $(qconf-objs) + $(CXX) -o $@ $(filter-out qconf-cfg,$^) $(HOSTLDLIBS_qconf) |