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Fri, 3 Apr 2020 13:53:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585922006; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ZkxcBA3+FtaMSNeSqPsykBpuzDfcr3xJHjboFJ/V3kw=; b=PgDa+7EzXGjhog+R5PwRy8qCzPJMdB0xMzFBMIrPcnp010VmJ/H4jppsuV8SxJTAL42Wvm HgQdWwq/53YNpuXE4UzavRVLL/2u/Dj23oYT1W3P2rZWAsZXH/F3T2NNWlbjmZkAv7BdM+ pd+EBUpLQsxmJsQvMGX1pnJflTqw22M= X-MC-Unique: UR4r9RUyNJONz65uNVsltg-1 From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 for-5.0] configure: warn if not using a separate build directory Date: Fri, 3 Apr 2020 14:53:06 +0100 Message-Id: <20200403135306.665493-1-berrange@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 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: Kevin Wolf , Peter Maydell , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Stefan Hajnoczi , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Markus Armbruster , Liviu Ionescu , Paolo Bonzini , =?UTF-8?q?Michal=20Such=C3=A1nek?= , Aleksandar Markovic Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Running configure directly from the source directory is a build configuration that will go away in future. It is also not currently covered by any automated testing. Display a deprecation warning if the user attempts to use an in-srcdir build setup, so that they are aware that they're building QEMU in an undesirable manner. Reviewed-by: Eric Blake Reviewed-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daud=C3=A9 Tested-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Daniel P. Berrang=C3=A9 Reviewed-by: Aleksandar Markovic --- Changed in v4: - Adopted Eric's suggested wording configure | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/configure b/configure index 22870f3867..d275c36c85 100755 --- a/configure +++ b/configure @@ -285,6 +285,16 @@ then error_exit "main directory cannot contain spaces nor colons" fi =20 +canon_build_path=3D$(realpath -- "$PWD") +canon_source_path=3D$(realpath -- "$source_path") + +in_srcdir=3Dno +if [ "$canon_build_path" =3D "$canon_source_path" ] +then + in_srcdir=3Dyes +fi + + # default parameters cpu=3D"" iasl=3D"iasl" @@ -6751,6 +6761,22 @@ if test "$supported_os" =3D "no"; then echo "us upstream at qemu-devel@nongnu.org." fi =20 +if test "$in_srcdir" =3D "yes"; then + echo + echo "WARNING: SUPPORT FOR BUILDING IN THE SOURCE DIR IS DEPRECATED" + echo + echo "Support for running the 'configure' script directly from the" + echo "source directory is deprecated. In-tree builds are not covered" + echo "by automated testing and thus may not correctly build QEMU." + echo "Users are recommended to use a separate build directory:" + echo + echo " $ mkdir build" + echo " $ cd build" + echo " $ ../configure" + echo " $ make" + echo +fi + config_host_mak=3D"config-host.mak" =20 echo "# Automatically generated by configure - do not modify" >config-all-= disas.mak --=20 2.24.1