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/****************************************************************************
**
** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com)
** 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.
**
****************************************************************************/
#include "clangclinfo.h"
#include "hostosinfo.h"
#include "msvcinfo.h"
#include "stlutils.h"
namespace qbs {
namespace Internal {
static std::vector<MSVCInstallInfo> compatibleMsvcs(Logger &logger)
{
auto msvcs = MSVCInstallInfo::installedMSVCs(logger);
auto filter = [](const MSVCInstallInfo &info)
{
const auto versions = info.version.split(QLatin1Char('.'));
if (versions.empty())
return true;
bool ok = false;
const int major = versions.at(0).toInt(&ok);
return !(ok && major >= 15); // support MSVC2017 and above
};
Internal::removeIf(msvcs, filter);
for (const auto &msvc: msvcs) {
auto vcvarsallPath = msvc.findVcvarsallBat();
if (vcvarsallPath.isEmpty())
continue;
}
return msvcs;
}
static QString findCompatibleVcsarsallBat(const std::vector<MSVCInstallInfo> &msvcs)
{
for (const auto &msvc: msvcs) {
const auto vcvarsallPath = msvc.findVcvarsallBat();
if (!vcvarsallPath.isEmpty())
return vcvarsallPath;
}
return {};
}
static QString wow6432Key()
{
#ifdef Q_OS_WIN64
return QStringLiteral("\\Wow6432Node");
#else
return {};
#endif
}
static QString getToolchainInstallPath(const QFileInfo &compiler)
{
return compiler.path(); // 1 level up
}
QVariantMap ClangClInfo::toVariantMap() const
{
return {
{QStringLiteral("toolchainInstallPath"), toolchainInstallPath},
{QStringLiteral("vcvarsallPath"), vcvarsallPath},
};
}
ClangClInfo ClangClInfo::fromCompilerFilePath(const QString &path, Logger &logger)
{
const auto compilerName = QStringLiteral("clang-cl");
const auto vcvarsallPath = findCompatibleVcsarsallBat(compatibleMsvcs(logger));
if (vcvarsallPath.isEmpty()) {
logger.qbsWarning()
<< Tr::tr("%1 requires installed Visual Studio 2017 or newer, but none was found.")
.arg(compilerName);
return {};
}
return {getToolchainInstallPath(QFileInfo(path)), vcvarsallPath};
}
std::vector<ClangClInfo> ClangClInfo::installedCompilers(
const std::vector<QString> &extraPaths, Logger &logger)
{
std::vector<QString> compilerPaths;
compilerPaths.reserve(extraPaths.size());
std::copy_if(extraPaths.begin(), extraPaths.end(),
std::back_inserter(compilerPaths),
[](const QString &path){ return !path.isEmpty(); });
const auto compilerName = HostOsInfo::appendExecutableSuffix(QStringLiteral("clang-cl"));
const QSettings registry(
QStringLiteral("HKEY_LOCAL_MACHINE\\SOFTWARE%1\\LLVM\\LLVM").arg(wow6432Key()),
QSettings::NativeFormat);
const auto key = QStringLiteral(".");
if (registry.contains(key)) {
const auto compilerPath = QDir::fromNativeSeparators(registry.value(key).toString())
+ QStringLiteral("/bin/") + compilerName;
if (QFileInfo::exists(compilerPath))
compilerPaths.push_back(compilerPath);
}
// this branch can be useful in case user had two LLVM installations (e.g. 32bit & 64bit)
// but uninstalled one - in that case, registry will be empty
static const char * const envVarCandidates[] = {"ProgramFiles", "ProgramFiles(x86)"};
for (const auto &envVar : envVarCandidates) {
const auto value
= QDir::fromNativeSeparators(QString::fromLocal8Bit(qgetenv(envVar)));
const auto compilerPath = value + QStringLiteral("/LLVM/bin/") + compilerName;
if (QFileInfo::exists(compilerPath) && !contains(compilerPaths, compilerPath))
compilerPaths.push_back(compilerPath);
}
const auto msvcs = compatibleMsvcs(logger);
const auto vcvarsallPath = findCompatibleVcsarsallBat(msvcs);
if (vcvarsallPath.isEmpty()) {
logger.qbsWarning()
<< Tr::tr("%1 requires installed Visual Studio 2017 or newer, but none was found.")
.arg(compilerName);
return {};
}
std::vector<ClangClInfo> result;
result.reserve(compilerPaths.size() + msvcs.size());
transform(compilerPaths, result, [&vcvarsallPath](const auto &path) {
return ClangClInfo{getToolchainInstallPath(QFileInfo(path)), vcvarsallPath}; });
// If we didn't find custom LLVM installation, try to find if it's installed with Visual Studio
for (const auto &msvc : msvcs) {
const auto compilerPath = QStringLiteral("%1/VC/Tools/Llvm/bin/%2")
.arg(msvc.installDir, compilerName);
if (QFileInfo::exists(compilerPath)) {
const auto vcvarsallPath = msvc.findVcvarsallBat();
if (vcvarsallPath.isEmpty()) {
logger.qbsWarning()
<< Tr::tr("Found LLVM in %1, but vcvarsall.bat is missing.")
.arg(msvc.installDir);
}
result.push_back({getToolchainInstallPath(QFileInfo(compilerPath)), vcvarsallPath});
}
}
return result;
}
} // namespace Internal
} // namespace qbs
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