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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "buildablehelperlibrary.h"
#include "algorithm.h"
#include "environment.h"
#include "hostosinfo.h"
#include "qtcprocess.h"
#include <QDebug>
#include <QRegularExpression>
#include <set>
using namespace std::chrono_literals;
namespace Utils {
bool BuildableHelperLibrary::isQtChooser(const FilePath &filePath)
{
return filePath.symLinkTarget().endsWith("/qtchooser");
}
FilePath BuildableHelperLibrary::qtChooserToQmakePath(const FilePath &qtChooser)
{
const QString toolDir = QLatin1String("QTTOOLDIR=\"");
Process proc;
proc.setEnvironment(qtChooser.deviceEnvironment());
proc.setCommand({qtChooser, {"-print-env"}});
proc.runBlocking(1s);
if (proc.result() != ProcessResult::FinishedWithSuccess)
return {};
const QString output = proc.cleanedStdOut();
int pos = output.indexOf(toolDir);
if (pos == -1)
return {};
pos += toolDir.size();
int end = output.indexOf('\"', pos);
if (end == -1)
return {};
return qtChooser.withNewPath(output.mid(pos, end - pos) + "/qmake");
}
static bool isQmake(FilePath path)
{
if (!path.isExecutableFile())
return false;
if (BuildableHelperLibrary::isQtChooser(path))
path = BuildableHelperLibrary::qtChooserToQmakePath(path.symLinkTarget());
if (!path.exists())
return false;
return !BuildableHelperLibrary::qtVersionForQMake(path).isEmpty();
}
static FilePaths findQmakesInDir(const FilePath &dir)
{
if (dir.isEmpty())
return {};
// Prefer qmake-qt5 to qmake-qt4 by sorting the filenames in reverse order.
FilePaths qmakes;
std::set<FilePath> canonicalQmakes;
const FilePaths candidates = dir.dirEntries(
{BuildableHelperLibrary::possibleQMakeCommands(), QDir::Files},
QDir::Name | QDir::Reversed);
const auto probablyMatchesExistingQmake = [&](const FilePath &qmake) {
// This deals with symlinks.
if (!canonicalQmakes.insert(qmake).second)
return true;
// Symlinks have high potential for false positives in file size check, so skip that one.
if (qmake.isSymLink())
return false;
// This deals with the case where copies are shipped instead of symlinks
// (Windows, Qt installer, ...).
return contains(qmakes, [size = qmake.fileSize()](const FilePath &existing) {
return existing.fileSize() == size;
});
};
for (const FilePath &candidate : candidates) {
if (isQmake(candidate) && !probablyMatchesExistingQmake(candidate))
qmakes << candidate;
}
return qmakes;
}
FilePaths BuildableHelperLibrary::findQtsInEnvironment(const Environment &env)
{
FilePaths qmakeList;
std::set<FilePath> canonicalEnvPaths;
const FilePaths paths = env.path();
for (const FilePath &path : paths) {
if (!canonicalEnvPaths.insert(path.canonicalPath()).second)
continue;
qmakeList << findQmakesInDir(path);
}
return qmakeList;
}
QString BuildableHelperLibrary::qtVersionForQMake(const FilePath &qmakePath)
{
if (qmakePath.isEmpty())
return QString();
Process qmake;
qmake.setEnvironment(qmakePath.deviceEnvironment());
qmake.setCommand({qmakePath, {"--version"}});
qmake.runBlocking(5s);
if (qmake.result() != ProcessResult::FinishedWithSuccess) {
qWarning() << qmake.verboseExitMessage();
return QString();
}
const QString output = qmake.allOutput();
static const QRegularExpression regexp("(QMake version:?)[\\s]*([\\d.]*)",
QRegularExpression::CaseInsensitiveOption);
const QRegularExpressionMatch match = regexp.match(output);
const QString qmakeVersion = match.captured(2);
if (qmakeVersion.startsWith(QLatin1String("2."))
|| qmakeVersion.startsWith(QLatin1String("3."))) {
static const QRegularExpression regexp2("Using Qt version[\\s]*([\\d\\.]*)",
QRegularExpression::CaseInsensitiveOption);
const QRegularExpressionMatch match2 = regexp2.match(output);
const QString version = match2.captured(1);
return version;
}
return QString();
}
QString BuildableHelperLibrary::filterForQmakeFileDialog()
{
QString filter = QLatin1String("qmake (");
const QStringList commands = possibleQMakeCommands();
for (int i = 0; i < commands.size(); ++i) {
if (i)
filter += QLatin1Char(' ');
if (HostOsInfo::isMacHost())
// work around QTBUG-7739 that prohibits filters that don't start with *
filter += QLatin1Char('*');
filter += commands.at(i);
if (HostOsInfo::isAnyUnixHost() && !HostOsInfo::isMacHost())
// kde bug, we need at least one wildcard character
// see QTCREATORBUG-7771
filter += QLatin1Char('*');
}
filter += QLatin1Char(')');
return filter;
}
QStringList BuildableHelperLibrary::possibleQMakeCommands()
{
// On Windows it is always "qmake.exe"
// On Unix some distributions renamed qmake with a postfix to avoid clashes
// On OS X, Qt 4 binary packages also has renamed qmake. There are also symbolic links that are
// named "qmake", but the file dialog always checks against resolved links (native Cocoa issue)
// Qt 6 CMake built targets, such as Android, are dependent on the host installation
// and use a script wrapper around the host qmake executable
// Remote build configurations (e.g. Windows host + Linux target) must be taken into account too
return {"qmake*", "qtpaths*"};
}
} // namespace Utils
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