qt5base-lts/qmake/generators/win32/mingw_make.h

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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the qmake application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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****************************************************************************/
#ifndef MINGW_MAKE_H
#define MINGW_MAKE_H
#include "winmakefile.h"
QT_BEGIN_NAMESPACE
class MingwMakefileGenerator : public Win32MakefileGenerator
{
protected:
using MakefileGenerator::escapeDependencyPath;
QString escapeDependencyPath(const QString &path) const override;
ProString fixLibFlag(const ProString &lib) override;
bool processPrlFileBase(QString &origFile, QStringView origName,
QStringView fixedBase, int slashOff) override;
bool writeMakefile(QTextStream &) override;
void init() override;
QString installRoot() const override;
private:
void writeMingwParts(QTextStream &);
void writeIncPart(QTextStream &t) override;
void writeLibsPart(QTextStream &t) override;
void writeObjectsPart(QTextStream &t) override;
void writeBuildRulesPart(QTextStream &t) override;
void writeRcFilePart(QTextStream &t) override;
QStringList &findDependencies(const QString &file) override;
QString preCompHeaderOut;
LibFlagType parseLibFlag(const ProString &flag, ProString *arg) override;
QString objectsLinkLine;
qmake: Fix overlong command lines for static Qt builds on Windows Linker response files for the MinGW and Unix makefile generators are controlled by the variable QMAKE_LINK_OBJECT_MAX. This variable holds a number. If the number of object files passed to the linker exceeds this number, a linker response file containing object file paths is created. This heuristic is extremely imprecise. It doesn't take into account the length of object file names nor the length of $$OBJECTS_DIR. Also, when using a static Qt, a big part of the linker command line are libraries. A relatively small example can fail to link with "The command line is too long" on Windows, even with the object files being in a response file. The MinGW makefile generator already reads the variable QMAKE_RESPONSEFILE_THRESHOLD for compiler response files. Re-use this variable for the linker response file of the Unix and MinGW makefile generators. If QMAKE_RESPONSEFILE_THRESHOLD is set, use it to determine whether to create a response file. QMAKE_LINK_OBJECT_MAX is then ignored. The response file contains objects and libraries. If QMAKE_RESPONSEFILE_THRESHOLD is not set, use QMAKE_LINK_OBJECT_MAX to determine whether to create a response file. The response file contains only object files. QMAKE_LINK_OBJECT_SCRIPT is used in both cases to specify a common base name of all linker response files. Pick-to: 6.2 6.3 Task-number: QTBUG-100559 Change-Id: I3c78354fa5ebb1a86438ec804679e0ee776c3f49 Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: Kai Koehne <kai.koehne@qt.io>
2022-02-17 16:57:16 +00:00
LinkerResponseFileInfo linkerResponseFile;
};
QT_END_NAMESPACE
#endif // MINGW_MAKE_H