From patchwork Sun Sep 13 10:05:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 305554 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7EE03C43461 for ; Sun, 13 Sep 2020 10:06:47 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id CE88B20639 for ; Sun, 13 Sep 2020 10:06:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vZ9RxewQ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CE88B20639 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kHOuD-0001si-NM for qemu-devel@archiver.kernel.org; Sun, 13 Sep 2020 06:06:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57290) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kHOtB-0000bX-1b for qemu-devel@nongnu.org; Sun, 13 Sep 2020 06:05:41 -0400 Received: from mail-ej1-x642.google.com ([2a00:1450:4864:20::642]:36263) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kHOt9-0002Ci-Ee for qemu-devel@nongnu.org; Sun, 13 Sep 2020 06:05:40 -0400 Received: by mail-ej1-x642.google.com with SMTP id e23so19196971eja.3 for ; Sun, 13 Sep 2020 03:05:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8u7qVIji/P6iDBnP9RNpMszmujgXnbWqw7uGLeKpFr0=; b=vZ9RxewQQozeRyK+1qPtX7GHPu8JvZ6BJchCWSDvQagc/LIZM/CM080HlSOaFnLSU0 vA0afcQX3OJVpnLYp2hU15F7AOzV2tICXmVlYGOk68zkWtZQk3ljBMiS2qjCfleYUUR+ D5/OwKZzrotKGCkyAjI7s39v3KBhu5ONvps8TTTU8hjPQ89vJNT9FXbcOKYZhVJ45frj EQOC9U1Y4GqtUZbwhCj090mnsUKZXZTWqUH2h7hwdXXQHk+s5vtz5gDmKAtTKPyO61mx dTyST2moyw7log3up1QGJGqKuzgXykNDeWbT5LJgl9xaaaPFwQl+u7WYWyVOjnLOHdSG DgaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=8u7qVIji/P6iDBnP9RNpMszmujgXnbWqw7uGLeKpFr0=; b=T1fEC36VJd9Niiy5eKI5LHcn3sQWa6aDFnLo/XydZL2RRn5JpOhGdx6TlpCOy3x/gX IXCpri8t2IutybDfRx6ocDzZHILdYlh8MxZKfm7xwZfm6pBiaVUauVGVIEmkIH/ROtXl 40ZKVG9jlpmFt2hN9PLkQ3D557YXJWCM42pjid6qP8Q9xvOhgpZVQaNCaxKXmzWldqPi o+4/wdPiM+vqFvMS39nXV1kaKXNjDB2FPBLLoBXjnUXgAHfjV9uaJPx1NpjSm7jqJcDF M7qwouoEz0p3pkx5gaSYcR0dwVQ7jbojdRhQwjwdopQvPjqjKlg7f/CfpskhsFjmJswI 0kkA== X-Gm-Message-State: AOAM5302/tWmsCW9TVkeLAkJARdBzQ6Bb8WLwoXOJaQOUiRD+Jcu7I2n 8iI07m9BOHtEbfj8E+3UejeN60aWPhI= X-Google-Smtp-Source: ABdhPJwVeCuyoyC2evhAHHUM8H+7jpiIujmNF2qN0wjIqJ8+24wC+SH+STZk4I9NnYXbVyY/cpqh1g== X-Received: by 2002:a17:906:838f:: with SMTP id p15mr10039657ejx.315.1599991537996; Sun, 13 Sep 2020 03:05:37 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6468:f312:9c8:f845:9041:a5ee]) by smtp.gmail.com with ESMTPSA id g11sm6690286edj.85.2020.09.13.03.05.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2020 03:05:37 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 1/3] configure: quote command line arguments in config.status Date: Sun, 13 Sep 2020 12:05:32 +0200 Message-Id: <20200913100534.22084-2-pbonzini@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200913100534.22084-1-pbonzini@redhat.com> References: <20200913100534.22084-1-pbonzini@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::642; envelope-from=paolo.bonzini@gmail.com; helo=mail-ej1-x642.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, berrange@redhat.com, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Paolo Bonzini --- configure | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/configure b/configure index 53723ace57..beae010e39 100755 --- a/configure +++ b/configure @@ -89,6 +89,10 @@ printf " '%s'" "$0" "$@" >> config.log echo >> config.log echo "#" >> config.log +quote_sh() { + printf "'%s'" "$(echo "$1" | sed "s,','\\',")" +} + print_error() { (echo echo "ERROR: $1" @@ -8061,7 +8065,7 @@ preserve_env WINDRES printf "exec" >>config.status for i in "$0" "$@"; do - test "$i" = --skip-meson || printf " '%s'" "$i" >>config.status + test "$i" = --skip-meson || printf " %s" "$(quote_sh $i)" >>config.status done echo ' "$@"' >>config.status chmod +x config.status From patchwork Sun Sep 13 10:05:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 305553 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2106CC43461 for ; Sun, 13 Sep 2020 10:06:50 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 99FE42098B for ; 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Sun, 13 Sep 2020 03:05:39 -0700 (PDT) Received: from localhost.localdomain ([2001:b07:6468:f312:9c8:f845:9041:a5ee]) by smtp.gmail.com with ESMTPSA id g11sm6690286edj.85.2020.09.13.03.05.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2020 03:05:38 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 2/3] configure: early test for Python Date: Sun, 13 Sep 2020 12:05:33 +0200 Message-Id: <20200913100534.22084-3-pbonzini@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200913100534.22084-1-pbonzini@redhat.com> References: <20200913100534.22084-1-pbonzini@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::534; envelope-from=paolo.bonzini@gmail.com; helo=mail-ed1-x534.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, berrange@redhat.com, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --- configure | 30 +++++++++++++++++------------- 1 file changed, 17 insertions(+), 13 deletions(-) diff --git a/configure b/configure index beae010e39..b4f5d2e272 100755 --- a/configure +++ b/configure @@ -1631,6 +1631,23 @@ for opt do esac done +if test -n "$python" +then + # Preserve python version since some functionality is dependent on it + python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) + + # Suppress writing compiled files + python="$python -B" + + # Note that if the Python conditional here evaluates True we will exit + # with status 1 which is a shell 'false' value. + if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then + print_error "Cannot use '$python', Python >= 3.5 is required." \ + "Use --python=/path/to/python to specify a supported Python." + python= + fi +fi + firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}" libdir="${libdir:-$prefix/lib}" libexecdir="${libexecdir:-$prefix/libexec}" @@ -1962,19 +1979,6 @@ then error_exit "Python not found. Use --python=/path/to/python" fi -# Note that if the Python conditional here evaluates True we will exit -# with status 1 which is a shell 'false' value. -if ! $python -c 'import sys; sys.exit(sys.version_info < (3,5))'; then - error_exit "Cannot use '$python', Python >= 3.5 is required." \ - "Use --python=/path/to/python to specify a supported Python." -fi - -# Preserve python version since some functionality is dependent on it -python_version=$($python -c 'import sys; print("%d.%d.%d" % (sys.version_info[0], sys.version_info[1], sys.version_info[2]))' 2>/dev/null) - -# Suppress writing compiled files -python="$python -B" - if test -z "$meson"; then if test "$explicit_python" = no && has meson && version_ge "$(meson --version)" 0.55.1; then meson=meson From patchwork Sun Sep 13 10:05:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 273881 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 18A0CC433E2 for ; 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Sun, 13 Sep 2020 03:05:39 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 3/3] configure: automatically parse command line for meson -D options Date: Sun, 13 Sep 2020 12:05:34 +0200 Message-Id: <20200913100534.22084-4-pbonzini@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200913100534.22084-1-pbonzini@redhat.com> References: <20200913100534.22084-1-pbonzini@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::62d; envelope-from=paolo.bonzini@gmail.com; helo=mail-ej1-x62d.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcandre.lureau@redhat.com, berrange@redhat.com, peter.maydell@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Paolo Bonzini --- Makefile | 6 ++ configure | 71 +++++-------- docs/devel/build-system.rst | 35 +------ meson-buildoptions.json | 130 ++++++++++++++++++++++++ scripts/configure-parse-buildoptions.py | 94 +++++++++++++++++ 5 files changed, 258 insertions(+), 78 deletions(-) create mode 100644 meson-buildoptions.json create mode 100644 scripts/configure-parse-buildoptions.py diff --git a/Makefile b/Makefile index d6c5c9fdef..b22e5b272e 100644 --- a/Makefile +++ b/Makefile @@ -80,6 +80,12 @@ ifneq ($(MESON),) Makefile.mtest: build.ninja scripts/mtest2make.py $(MESON) introspect --tests --benchmarks | $(PYTHON) scripts/mtest2make.py > $@ -include Makefile.mtest + +# jq is used to keep the result stable +meson-buildoptions.json: meson_options.txt + $(MESON) introspect --buildoptions . | \ + jq 'map(select(.section == "user")) | sort_by(.name)' \ + > $(SRC_PATH)/meson-buildoptions.json endif Makefile: .git-submodule-status diff --git a/configure b/configure index b4f5d2e272..54958bfc17 100755 --- a/configure +++ b/configure @@ -396,16 +396,10 @@ docs="" fdt="" netmap="no" sdl="auto" -sdl_image="auto" virtfs="" mpath="" -vnc="enabled" sparse="no" vde="" -vnc_sasl="auto" -vnc_jpeg="auto" -vnc_png="auto" -xkbcommon="auto" xen="" xen_ctrl_version="" xen_pci_passthrough="" @@ -466,7 +460,6 @@ trace_file="trace" spice="" rbd="" smartcard="" -u2f="auto" libusb="" usb_redir="" opengl="" @@ -539,6 +532,7 @@ rng_none="no" secret_keyring="" libdaxctl="" meson="" +meson_args="" ninja="" skip_meson=no gettext="" @@ -1100,10 +1094,6 @@ for opt do ;; --enable-sdl) sdl="enabled" ;; - --disable-sdl-image) sdl_image="disabled" - ;; - --enable-sdl-image) sdl_image="enabled" - ;; --disable-qom-cast-debug) qom_cast_debug="no" ;; --enable-qom-cast-debug) qom_cast_debug="yes" @@ -1116,10 +1106,6 @@ for opt do ;; --enable-mpath) mpath="yes" ;; - --disable-vnc) vnc="disabled" - ;; - --enable-vnc) vnc="enabled" - ;; --disable-gettext) gettext="false" ;; --enable-gettext) gettext="true" @@ -1158,18 +1144,6 @@ for opt do ;; --disable-strip) strip_opt="no" ;; - --disable-vnc-sasl) vnc_sasl="disabled" - ;; - --enable-vnc-sasl) vnc_sasl="enabled" - ;; - --disable-vnc-jpeg) vnc_jpeg="disabled" - ;; - --enable-vnc-jpeg) vnc_jpeg="enabled" - ;; - --disable-vnc-png) vnc_png="disabled" - ;; - --enable-vnc-png) vnc_png="enabled" - ;; --disable-slirp) slirp="no" ;; --enable-slirp=git) slirp="git" @@ -1369,10 +1343,6 @@ for opt do ;; --enable-smartcard) smartcard="yes" ;; - --disable-u2f) u2f="disabled" - ;; - --enable-u2f) u2f="enabled" - ;; --disable-libusb) libusb="no" ;; --enable-libusb) libusb="yes" @@ -1593,10 +1563,6 @@ for opt do ;; --disable-libpmem) libpmem=no ;; - --enable-xkbcommon) xkbcommon="enabled" - ;; - --disable-xkbcommon) xkbcommon="disabled" - ;; --enable-plugins) plugins="yes" ;; --disable-plugins) plugins="no" @@ -1623,6 +1589,9 @@ for opt do ;; --disable-libdaxctl) libdaxctl=no ;; + --enable-* | --disable-*) + meson_args="$meson_args $(quote_sh "$opt")" + ;; *) echo "ERROR: unknown option $opt" echo "Try '$0 --help' for more information" @@ -1648,6 +1617,16 @@ then fi fi +# Convert unknown --enable/--disable arguments to Meson build options. +meson_options=$(eval \ + \$python \ + \$source_path/scripts/configure-parse-buildoptions.py \ + \< \$source_path/meson-buildoptions.json $meson_args) +if test $? = 1; then + echo "Try '$0 --help' for more information" + exit 1 +fi + firmwarepath="${firmwarepath:-$prefix/share/qemu-firmware}" libdir="${libdir:-$prefix/lib}" libexecdir="${libexecdir:-$prefix/libexec}" @@ -1853,10 +1831,14 @@ Advanced options (experts only): enable plugins via shared library loading --disable-containers don't use containers for cross-building --gdb=GDB-path gdb to use for gdbstub tests [$gdb_bin] - -Optional features, enabled with --enable-FEATURE and -disabled with --disable-FEATURE, default is enabled if available: - +EOF + if test -z "$python"; then + echo + echo "Python not found. Use --python=/path/to/python to see complete help" + exit 0 + fi + $python $source_path/scripts/configure-parse-buildoptions.py --print-help < $source_path/meson-buildoptions.json +cat << EOF system all system emulation targets user supported user emulation targets linux-user all linux usermode emulation targets @@ -1883,10 +1865,6 @@ disabled with --disable-FEATURE, default is enabled if available: vte vte support for the gtk UI curses curses UI iconv font glyph conversion support - vnc VNC UI support - vnc-sasl SASL encryption for VNC server - vnc-jpeg JPEG lossy compression for VNC server - vnc-png PNG compression for VNC server cocoa Cocoa UI (Mac OS X only) virtfs VirtFS mpath Multipath persistent reservation passthrough @@ -1920,7 +1898,6 @@ disabled with --disable-FEATURE, default is enabled if available: libiscsi iscsi support libnfs nfs support smartcard smartcard support (libcacard) - u2f U2F support (u2f-emu) libusb libusb (for usb passthrough) live-block-migration Block migration in the main migration stream usb-redir usb network redirection support @@ -1962,7 +1939,6 @@ disabled with --disable-FEATURE, default is enabled if available: capstone capstone disassembler support debug-mutex mutex debugging support libpmem libpmem support - xkbcommon xkbcommon support rng-none dummy RNG, avoid using /dev/(u)random and getrandom() libdaxctl libdaxctl support @@ -8008,9 +7984,8 @@ NINJA=${ninja:-$PWD/ninjatool} $meson setup \ -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ - -Dsdl=$sdl -Dsdl_image=$sdl_image \ - -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ - -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\ + $meson_args \ + -Dsdl=$sdl -Dgettext=$gettext \ $cross_arg \ "$PWD" "$source_path" diff --git a/docs/devel/build-system.rst b/docs/devel/build-system.rst index 08e85c69e1..9fd321f227 100644 --- a/docs/devel/build-system.rst +++ b/docs/devel/build-system.rst @@ -52,12 +52,6 @@ following tasks: - Add a Meson build option to meson_options.txt. - - Add support to the command line arg parser to handle any new - `--enable-XXX`/`--disable-XXX` flags required by the feature. - - - Add information to the help output message to report on the new - feature flag. - - Add code to perform the actual feature check. - Add code to include the feature status in `config-host.h` @@ -66,30 +60,6 @@ following tasks: upon completion. -Taking the probe for SDL2_Image as an example, we have the following pieces -in configure:: - - # Initial variable state - sdl_image=auto - - ..snip.. - - # Configure flag processing - --disable-sdl-image) sdl_image=disabled - ;; - --enable-sdl-image) sdl_image=enabled - ;; - - ..snip.. - - # Help output feature message - sdl-image SDL Image support for icons - - ..snip.. - - # Meson invocation - -Dsdl_image=$sdl_image - In meson_options.txt:: option('sdl', type : 'feature', value : 'auto', @@ -108,6 +78,11 @@ In meson.build:: # Summary summary_info += {'SDL image support': sdl_image.found()} +The configure script automatically converts command line options to +Meson options as long as the `meson-buildoptions.json` file in the +root source directory is up-to-date. You can simply type +`make meson-buildoptions.json` to update it; the `jq` program +is needed. Helper functions diff --git a/meson-buildoptions.json b/meson-buildoptions.json new file mode 100644 index 0000000000..dbaf5bc71e --- /dev/null +++ b/meson-buildoptions.json @@ -0,0 +1,130 @@ +[ + { + "name": "docdir", + "value": "doc", + "section": "user", + "machine": "any", + "type": "string", + "description": "Base directory for documentation installation (can be empty)" + }, + { + "name": "gettext", + "value": true, + "section": "user", + "machine": "any", + "type": "boolean", + "description": "Localization of the GTK+ user interface" + }, + { + "name": "qemu_suffix", + "value": "qemu", + "section": "user", + "machine": "any", + "type": "string", + "description": "Suffix for QEMU data/modules/config directories (can be empty)" + }, + { + "name": "sdl", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "SDL user interface" + }, + { + "name": "sdl_image", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "SDL Image support for icons" + }, + { + "name": "u2f", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "U2F emulation support" + }, + { + "name": "vnc", + "value": "enabled", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "VNC server" + }, + { + "name": "vnc_jpeg", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "JPEG lossy compression for VNC server" + }, + { + "name": "vnc_png", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "PNG compression for VNC server" + }, + { + "name": "vnc_sasl", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "SASL authentication for VNC server" + }, + { + "name": "xkbcommon", + "value": "auto", + "section": "user", + "machine": "any", + "choices": [ + "enabled", + "disabled", + "auto" + ], + "type": "combo", + "description": "xkbcommon support" + } +] diff --git a/scripts/configure-parse-buildoptions.py b/scripts/configure-parse-buildoptions.py new file mode 100644 index 0000000000..4171312d75 --- /dev/null +++ b/scripts/configure-parse-buildoptions.py @@ -0,0 +1,94 @@ +#! /usr/bin/env python3 + +# Parse configure command line options based on Meson's user build options +# introspection data (passed on stdin). +# +# Copyright (C) 2020 Red Hat, Inc. +# +# Author: Paolo Bonzini + +import json +import re +import shlex +import sys +import textwrap + +SKIP_OPTIONS = [ 'docdir', 'qemu_suffix' ] +FEATURE_CHOICES = [ 'auto', 'disabled', 'enabled' ] + +options = { x['name']: x + for x in json.load(sys.stdin) + if x['section'] == 'user' and x['name'] not in SKIP_OPTIONS } + +for x in options.values(): + if x['type'] == 'combo' and sorted(x['choices']) == FEATURE_CHOICES: + x['type'] = 'feature' + +def value_to_help(x): + if x == True: + return 'enabled' + if x == False: + return 'disabled' + return str(x) + +def print_help_line(key, opt, indent): + key = ' ' + key + value = '%s [%s]' % (opt['description'], value_to_help(opt['value'])) + if len(key) >= indent: + print(key) + key = '' + spaces = ' ' * indent + key = (key + spaces)[0:indent] + print(textwrap.fill(value, initial_indent=key, subsequent_indent=spaces)) + +def print_help(): + for o, x in options.items(): + if x['type'] not in ('boolean', 'feature'): + print_help_line('--enable-' + o, x, 24) + + print() + print('Optional features, enabled with --enable-FEATURE and') + print('disabled with --disable-FEATURE:') + for o, x in options.items(): + if x['type'] in ('boolean', 'feature'): + print_help_line(o, x, 18) + +def error(s, *args): + print('ERROR:', s % args, file=sys.stderr) + sys.exit(1) + +def main(argv): + if not argv: + return + + if argv[0] == '--print-help': + print_help() + return + + args = [] + for arg in sys.argv[1:]: + m = re.search('--(enable|disable)-([^=]*)(?:=(.*))?', arg) + if not m: + error('internal error parsing command line') + opt = m.group(2).replace('-', '_') + if opt not in options: + error('Unknown option --%s-%s', m.group(1), m.group(2)) + opt_type = options[opt]['type'] + if opt_type in ('boolean', 'feature'): + if m.group(3) is not None: + error('option --%s-%s does not take an argument', m.group(1), m.group(2)) + if opt_type == 'feature': + value = m.group(1) + 'd' + else: + value = 'true' if m.group(1) == 'enable' else 'false' + else: + if m.group(1) == 'disable': + error('Unknown option --disable-%s', m.group(2)) + if m.group(3) is None: + error('option --enable-%s takes an argument', m.group(2)) + + args.append(shlex.quote('-D%s=%s' % (opt, value))) + print(' '.join(args)) + +if __name__ == "__main__": + main(sys.argv[1:])