diff --git a/Makefile b/Makefile index 401c623a65..fe9415ac64 100644 --- a/Makefile +++ b/Makefile @@ -87,7 +87,7 @@ x := $(shell rm -rf meson-private meson-info meson-logs) endif # 1. ensure config-host.mak is up-to-date -config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION +config-host.mak: $(SRC_PATH)/configure $(SRC_PATH)/scripts/meson-buildoptions.sh $(SRC_PATH)/pc-bios $(SRC_PATH)/VERSION @echo config-host.mak is out-of-date, running configure @if test -f meson-private/coredata.dat; then \ ./config.status --skip-meson; \ @@ -124,6 +124,12 @@ ifneq ($(MESON),) Makefile.mtest: build.ninja scripts/mtest2make.py $(MESON) introspect --targets --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ -include Makefile.mtest + +.PHONY: update-buildoptions +all update-buildoptions: $(SRC_PATH)/scripts/meson-buildoptions.sh +$(SRC_PATH)/scripts/meson-buildoptions.sh: $(SRC_PATH)/meson_options.txt + $(MESON) introspect --buildoptions $(SRC_PATH)/meson.build | $(PYTHON) \ + scripts/meson-buildoptions.py > $@.tmp && mv $@.tmp $@ endif # 4. Rules to bridge to other makefiles diff --git a/configure b/configure index 2ec410378e..8eb0ef160f 100755 --- a/configure +++ b/configure @@ -789,6 +789,18 @@ fi werror="" +. $source_path/scripts/meson-buildoptions.sh + +meson_options= +meson_option_parse() { + meson_options="$meson_options $(_meson_option_parse "$@")" + if test $? -eq 1; then + echo "ERROR: unknown option $1" + echo "Try '$0 --help' for more information" + exit 1 + fi +} + for opt do optarg=$(expr "x$opt" : 'x[^=]*=\(.*\)') case "$opt" in @@ -1548,6 +1560,8 @@ for opt do ;; --disable-slirp-smbd) slirp_smbd=no ;; + --enable-* | --disable-*) meson_option_parse "$opt" "$optarg" + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -1804,11 +1818,9 @@ Advanced options (experts only): enable plugins via shared library loading --disable-containers don't use containers for cross-building --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] - -Optional features, enabled with --enable-FEATURE and -disabled with --disable-FEATURE, default is enabled if available -(unless built with --without-default-features): - +EOF + meson_options_help +cat << EOF system all system emulation targets user supported user emulation targets linux-user all linux usermode emulation targets @@ -4489,7 +4501,8 @@ if test "$skip_meson" = no; then mv $cross config-meson.cross rm -rf meson-private meson-info meson-logs - NINJA=$ninja $meson setup \ + run_meson() { + NINJA=$ninja $meson setup \ --prefix "$prefix" \ --libdir "$libdir" \ --libexecdir "$libexecdir" \ @@ -4534,9 +4547,9 @@ if test "$skip_meson" = no; then -Dpa=$pa -Daudio_drv_list=$audio_drv_list -Dtcg_interpreter=$tcg_interpreter \ -Dtrace_backends=$trace_backends -Dtrace_file=$trace_file -Dlinux_aio=$linux_aio \ -Dnetmap=$netmap -Dvde=$vde \ - $cross_arg \ - "$PWD" "$source_path" - + "$@" $cross_arg "$PWD" "$source_path" + } + eval run_meson $meson_options if test "$?" -ne 0 ; then error_exit "meson setup failed" fi diff --git a/scripts/meson-buildoptions.py b/scripts/meson-buildoptions.py new file mode 100755 index 0000000000..71ee56bd22 --- /dev/null +++ b/scripts/meson-buildoptions.py @@ -0,0 +1,64 @@ +#! /usr/bin/env python3 + +# Generate configure command line options handling code, based on Meson's +# user build options introspection data +# +# Copyright (C) 2021 Red Hat, Inc. +# +# Author: Paolo Bonzini +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +import json +import textwrap +import shlex +import sys + +def sh_print(line=""): + print(' printf "%s\\n"', shlex.quote(line)) + + +def load_options(json): + json = [ + x + for x in json + if x["section"] == "user" + and ":" not in x["name"] + and x["name"] not in SKIP_OPTIONS + ] + return sorted(json, key=lambda x: x["name"]) + + +def print_help(options): + print("meson_options_help() {") + sh_print() + sh_print("Optional features, enabled with --enable-FEATURE and") + sh_print("disabled with --disable-FEATURE, default is enabled if available") + sh_print("(unless built with --without-default-features):") + sh_print() + print("}") + + +def print_parse(options): + print("_meson_option_parse() {") + print(" case $1 in") + print(" *) return 1 ;;") + print(" esac") + print("}") + + +options = load_options(json.load(sys.stdin)) +print("# This file is generated by meson-buildoptions.py, do not edit!") +print_help(options) +print_parse(options) diff --git a/scripts/meson-buildoptions.sh b/scripts/meson-buildoptions.sh new file mode 100644 index 0000000000..c8ae205601 --- /dev/null +++ b/scripts/meson-buildoptions.sh @@ -0,0 +1,13 @@ +# This file is generated by meson-buildoptions.py, do not edit! +meson_options_help() { + printf "%s\n" '' + printf "%s\n" 'Optional features, enabled with --enable-FEATURE and' + printf "%s\n" 'disabled with --disable-FEATURE, default is enabled if available' + printf "%s\n" '(unless built with --without-default-features):' + printf "%s\n" '' +} +_meson_option_parse() { + case $1 in + *) return 1 ;; + esac +}