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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qbs.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
import qbs.Utilities
Module {
Depends { name: "cpp" }
property bool enabled: true
readonly property bool _supported: qbs.toolchain.includes("gcc")
|| qbs.toolchain.includes("clang-cl")
|| (qbs.toolchain.includes("msvc")
&& Utilities.versionCompare(cpp.compilerVersion, "19.28.29500.0") >= 0)
readonly property bool _enabled: enabled && _supported
property string detectUseAfterReturn: "always"
PropertyOptions {
name: "detectUseAfterReturn"
description: "Whether to detect problems with stack use after return from a function"
allowedValues: ["never", "runtime", "always"]
}
property bool detectUseAfterScope: true
cpp.driverFlags: {
var flags = [];
if (!_enabled)
return flags;
if (qbs.toolchain.includes("msvc") && !qbs.toolchain.includes("clang-cl")) {
flags.push("/fsanitize=address");
if (detectUseAfterReturn !== "never")
flags.push("/fsanitize-address-use-after-return");
return flags;
}
flags.push("-fsanitize=address", "-fno-omit-frame-pointer");
if (detectUseAfterScope)
flags.push("-fsanitize-address-use-after-scope");
if (detectUseAfterReturn) {
if (qbs.toolchain.includes("llvm")) {
var minVersion = qbs.toolchain.contains("xcode") ? "14" : "13";
if (Utilities.versionCompare(cpp.compilerVersion, minVersion) >= 0)
flags.push("-fsanitize-address-use-after-return=" + detectUseAfterReturn);
} else if (detectUseAfterReturn === "never") {
flags.push("--param", "asan-use-after-return=0");
}
}
return flags;
}
}
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