#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Process.h"
#include <cstdio>
+// Include the necessary headers to interface with the Windows registry and
+// environment.
#if defined(LLVM_ON_WIN32)
- #define USE_WIN32
-
- // FIXME: Make this configurable with cmake when the final version of the API
- // has been released.
- #if 0
- #define USE_VS_SETUP_CONFIG
- #endif
+#define USE_WIN32
#endif
-// Include the necessary headers to interface with the Windows registry and
-// environment.
#ifdef USE_WIN32
#define WIN32_LEAN_AND_MEAN
#define NOGDI
#include <windows.h>
#endif
-// Include the headers needed for the setup config COM stuff and define
-// smart pointers for the interfaces we need.
-#ifdef USE_VS_SETUP_CONFIG
- #include "clang/Basic/VirtualFileSystem.h"
- #include "llvm/Support/COM.h"
- #include <comdef.h>
- #include <Setup.Configuration.h>
- _COM_SMARTPTR_TYPEDEF(ISetupConfiguration, __uuidof(ISetupConfiguration));
- _COM_SMARTPTR_TYPEDEF(ISetupConfiguration2, __uuidof(ISetupConfiguration2));
- _COM_SMARTPTR_TYPEDEF(ISetupHelper, __uuidof(ISetupHelper));
- _COM_SMARTPTR_TYPEDEF(IEnumSetupInstances, __uuidof(IEnumSetupInstances));
- _COM_SMARTPTR_TYPEDEF(ISetupInstance, __uuidof(ISetupInstance));
- _COM_SMARTPTR_TYPEDEF(ISetupInstance2, __uuidof(ISetupInstance2));
-#endif
-
using namespace clang::driver;
using namespace clang::driver::toolchains;
using namespace clang;
using namespace llvm::opt;
-// Defined below.
-// Forward declare this so there aren't too many things above the constructor.
-static bool getSystemRegistryString(const char *keyPath, const char *valueName,
- std::string &value, std::string *phValue);
-
-// Check various environment variables to try and find a toolchain.
-static bool findVCToolChainViaEnvironment(std::string &Path,
- bool &IsVS2017OrNewer) {
- // These variables are typically set by vcvarsall.bat
- // when launching a developer command prompt.
- if (llvm::Optional<std::string> VCToolsInstallDir =
- llvm::sys::Process::GetEnv("VCToolsInstallDir")) {
- // This is only set by newer Visual Studios, and it leads straight to
- // the toolchain directory.
- Path = std::move(*VCToolsInstallDir);
- IsVS2017OrNewer = true;
- return true;
- }
- if (llvm::Optional<std::string> VCInstallDir =
- llvm::sys::Process::GetEnv("VCINSTALLDIR")) {
- // If the previous variable isn't set but this one is, then we've found
- // an older Visual Studio. This variable is set by newer Visual Studios too,
- // so this check has to appear second.
- // In older Visual Studios, the VC directory is the toolchain.
- Path = std::move(*VCInstallDir);
- IsVS2017OrNewer = false;
- return true;
- }
-
- // We couldn't find any VC environment variables. Let's walk through PATH and
- // see if it leads us to a VC toolchain bin directory. If it does, pick the
- // first one that we find.
- if (llvm::Optional<std::string> PathEnv =
- llvm::sys::Process::GetEnv("PATH")) {
- llvm::SmallVector<llvm::StringRef, 8> PathEntries;
- llvm::StringRef(*PathEnv).split(PathEntries, llvm::sys::EnvPathSeparator);
- for (llvm::StringRef PathEntry : PathEntries) {
- if (PathEntry.empty())
- continue;
-
- llvm::SmallString<256> ExeTestPath;
-
- // If cl.exe doesn't exist, then this definitely isn't a VC toolchain.
- ExeTestPath = PathEntry;
- llvm::sys::path::append(ExeTestPath, "cl.exe");
- if (!llvm::sys::fs::exists(ExeTestPath))
- continue;
-
- // cl.exe existing isn't a conclusive test for a VC toolchain; clang also
- // has a cl.exe. So let's check for link.exe too.
- ExeTestPath = PathEntry;
- llvm::sys::path::append(ExeTestPath, "link.exe");
- if (!llvm::sys::fs::exists(ExeTestPath))
- continue;
-
- // whatever/VC/bin --> old toolchain, VC dir is toolchain dir.
- if (llvm::sys::path::filename(PathEntry) == "bin") {
- llvm::StringRef ParentPath = llvm::sys::path::parent_path(PathEntry);
- if (llvm::sys::path::filename(ParentPath) == "VC") {
- Path = ParentPath;
- IsVS2017OrNewer = false;
- return true;
- }
- } else {
- // This could be a new (>=VS2017) toolchain. If it is, we should find
- // path components with these prefixes when walking backwards through
- // the path.
- // Note: empty strings match anything.
- llvm::StringRef ExpectedPrefixes[] =
- { "", "Host", "bin", "", "MSVC", "Tools", "VC" };
-
- llvm::sys::path::reverse_iterator
- It = llvm::sys::path::rbegin(PathEntry),
- End = llvm::sys::path::rend(PathEntry);
- for (llvm::StringRef Prefix : ExpectedPrefixes) {
- if (It == End) goto NotAToolChain;
- if (!It->startswith(Prefix)) goto NotAToolChain;
- ++It;
- }
-
- // We've found a new toolchain!
- // Back up 3 times (/bin/Host/arch) to get the root path.
- llvm::StringRef ToolChainPath(PathEntry);
- for (int i = 0; i < 3; ++i)
- ToolChainPath = llvm::sys::path::parent_path(ToolChainPath);
-
- Path = ToolChainPath;
- IsVS2017OrNewer = true;
- return true;
- }
-
- NotAToolChain:
- continue;
- }
- }
- return false;
-}
-
-// Query the Setup Config server for installs, then pick the newest version
-// and find its default VC toolchain.
-// This is the preferred way to discover new Visual Studios, as they're no
-// longer listed in the registry.
-static bool findVCToolChainViaSetupConfig(std::string &Path,
- bool &IsVS2017OrNewer) {
-#ifndef USE_VS_SETUP_CONFIG
- return false;
-#else
- llvm::sys::InitializeCOMRAII COM(llvm::sys::COMThreadingMode::SingleThreaded);
- HRESULT HR;
-
- // _com_ptr_t will throw a _com_error if a COM calls fail.
- // The LLVM coding standards forbid exception handling, so we'll have to
- // stop them from being thrown in the first place.
- // The destructor will put the regular error handler back when we leave
- // this scope.
- struct SuppressCOMErrorsRAII {
- SuppressCOMErrorsRAII() {
- _set_com_error_handler([](HRESULT, IErrorInfo *) { });
- }
- ~SuppressCOMErrorsRAII() {
- _set_com_error_handler(_com_raise_error);
- }
- } COMErrorSuppressor;
-
- ISetupConfigurationPtr Query;
- HR = Query.CreateInstance(__uuidof(SetupConfiguration));
- if (FAILED(HR)) return false;
-
- IEnumSetupInstancesPtr EnumInstances;
- HR = ISetupConfiguration2Ptr(Query)->EnumAllInstances(&EnumInstances);
- if (FAILED(HR)) return false;
-
- ISetupInstancePtr Instance;
- HR = EnumInstances->Next(1, &Instance, nullptr);
- if (HR != S_OK) return false;
-
- ISetupInstancePtr NewestInstance(Instance);
- uint64_t NewestVersionNum;
- {
- bstr_t VersionString;
- HR = NewestInstance->GetInstallationVersion(VersionString.GetAddress());
- if (FAILED(HR)) return false;
- HR = ISetupHelperPtr(Query)->ParseVersion(VersionString,
- &NewestVersionNum);
- if (FAILED(HR)) return false;
- }
-
- while ((HR = EnumInstances->Next(1, &Instance, nullptr)) == S_OK) {
- bstr_t VersionString;
- uint64_t VersionNum;
- HR = Instance->GetInstallationVersion(VersionString.GetAddress());
- if (FAILED(HR)) continue;
- HR = ISetupHelperPtr(Query)->ParseVersion(VersionString,
- &VersionNum);
- if (FAILED(HR)) continue;
- if (VersionNum > NewestVersionNum) {
- NewestInstance = Instance;
- NewestVersionNum = VersionNum;
- }
- }
-
- bstr_t VCPathWide;
- HR = NewestInstance->ResolvePath(L"VC",
- VCPathWide.GetAddress());
- if (FAILED(HR)) return false;
-
- std::string VCRootPath;
- llvm::convertWideToUTF8(std::wstring(VCPathWide), VCRootPath);
-
- llvm::SmallString<256> ToolsVersionFilePath(VCRootPath);
- llvm::sys::path::append(ToolsVersionFilePath,
- "Auxiliary",
- "Build",
- "Microsoft.VCToolsVersion.default.txt");
-
- auto ToolsVersionFile =
- clang::vfs::getRealFileSystem()->getBufferForFile(ToolsVersionFilePath);
- if (!ToolsVersionFile)
- return false;
-
- llvm::SmallString<256> ToolchainPath(VCRootPath);
- llvm::sys::path::append(ToolchainPath,
- "Tools",
- "MSVC",
- ToolsVersionFile->get()->getBuffer().rtrim());
- if (!llvm::sys::fs::is_directory(ToolchainPath))
- return false;
-
- Path = ToolchainPath.str();
- IsVS2017OrNewer = true;
- return true;
-#endif /*USE_VS_SETUP_CONFIG*/
-}
-
-// Look in the registry for Visual Studio installs, and use that to get
-// a toolchain path. VS2017 and newer don't get added to the registry.
-// So if we find something here, we know that it's an older version.
-static bool findVCToolChainViaRegistry(std::string &Path,
- bool &IsVS2017OrNewer) {
- std::string VSInstallPath;
- if (getSystemRegistryString(R"(SOFTWARE\Microsoft\VisualStudio\$VERSION)",
- "InstallDir", VSInstallPath, nullptr) ||
- getSystemRegistryString(R"(SOFTWARE\Microsoft\VCExpress\$VERSION)",
- "InstallDir", VSInstallPath, nullptr)) {
- if (!VSInstallPath.empty()) {
- llvm::SmallString<256>
- VCPath(llvm::StringRef(VSInstallPath.c_str(),
- VSInstallPath.find(R"(\Common7\IDE)")));
- llvm::sys::path::append(VCPath, "VC");
-
- Path = VCPath.str();
- IsVS2017OrNewer = false;
- return true;
- }
- }
- return false;
-}
-
-MSVCToolChain::MSVCToolChain(const Driver &D, const llvm::Triple& Triple,
+MSVCToolChain::MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
const ArgList &Args)
: ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) {
getProgramPaths().push_back(getDriver().getInstalledDir());
if (getDriver().getInstalledDir() != getDriver().Dir)
getProgramPaths().push_back(getDriver().Dir);
-
- // Check the environment first, since that's probably the user telling us
- // what they want to use.
- // Failing that, just try to find the newest Visual Studio version we can
- // and use its default VC toolchain.
- findVCToolChainViaEnvironment(VCToolChainPath, IsVS2017OrNewer)
- || findVCToolChainViaSetupConfig(VCToolChainPath, IsVS2017OrNewer)
- || findVCToolChainViaRegistry(VCToolChainPath, IsVS2017OrNewer);
}
Tool *MSVCToolChain::buildLinker() const {
- if (VCToolChainPath.empty()) {
- getDriver().Diag(clang::diag::err_drv_msvc_not_found);
- return nullptr;
- }
return new tools::visualstudio::Linker(*this);
}
CudaInstallation.print(OS);
}
-// Windows SDKs and VC Toolchains group their contents into subdirectories based
-// on the target architecture. This function converts an llvm::Triple::ArchType
-// to the corresponding subdirectory name.
-static const char *llvmArchToWindowsSDKArch(llvm::Triple::ArchType Arch) {
- using ArchType = llvm::Triple::ArchType;
- switch (Arch) {
- case ArchType::x86:
- return "x86";
- case ArchType::x86_64:
- return "x64";
- case ArchType::arm:
- return "arm";
- default:
- return "";
- }
-}
-
-// Similar to the above function, but for Visual Studios before VS2017.
-static const char *llvmArchToLegacyVCArch(llvm::Triple::ArchType Arch) {
- using ArchType = llvm::Triple::ArchType;
- switch (Arch) {
- case ArchType::x86:
- // x86 is default in legacy VC toolchains.
- // e.g. x86 libs are directly in /lib as opposed to /lib/x86.
- return "";
- case ArchType::x86_64:
- return "amd64";
- case ArchType::arm:
- return "arm";
- default:
- return "";
- }
-}
-
-// Get the path to a specific subdirectory in the current toolchain for
-// a given target architecture.
-// VS2017 changed the VC toolchain layout, so this should be used instead
-// of hardcoding paths.
-std::string
- MSVCToolChain::getSubDirectoryPath(SubDirectoryType Type,
- llvm::Triple::ArchType TargetArch) const {
- llvm::SmallString<256> Path(VCToolChainPath);
- switch (Type) {
- case SubDirectoryType::Bin:
- if (IsVS2017OrNewer) {
- bool HostIsX64 = llvm::Triple(llvm::sys::getProcessTriple()).isArch64Bit();
- llvm::sys::path::append(Path,
- "bin",
- (HostIsX64 ? "HostX64" : "HostX86"),
- llvmArchToWindowsSDKArch(TargetArch));
- }
- else {
- llvm::sys::path::append(Path,
- "bin",
- llvmArchToLegacyVCArch(TargetArch));
- }
- break;
- case SubDirectoryType::Include:
- llvm::sys::path::append(Path, "include");
- break;
- case SubDirectoryType::Lib:
- llvm::sys::path::append(Path,
- "lib",
- IsVS2017OrNewer
- ? llvmArchToWindowsSDKArch(TargetArch)
- : llvmArchToLegacyVCArch(TargetArch));
- break;
- }
- return Path.str();
-}
-
#ifdef USE_WIN32
static bool readFullStringValue(HKEY hkey, const char *valueName,
std::string &value) {
#endif // USE_WIN32
}
+// Convert LLVM's ArchType
+// to the corresponding name of Windows SDK libraries subfolder
+static StringRef getWindowsSDKArch(llvm::Triple::ArchType Arch) {
+ switch (Arch) {
+ case llvm::Triple::x86:
+ return "x86";
+ case llvm::Triple::x86_64:
+ return "x64";
+ case llvm::Triple::arm:
+ return "arm";
+ default:
+ return "";
+ }
+}
+
// Find the most recent version of Universal CRT or Windows 10 SDK.
// vcvarsqueryregistry.bat from Visual Studio 2015 sorts entries in the include
// directory by name and uses the last one of the list.
// So we compare entry names lexicographically to find the greatest one.
-static bool getWindows10SDKVersionFromPath(const std::string &SDKPath,
- std::string &SDKVersion) {
+static bool getWindows10SDKVersion(const std::string &SDKPath,
+ std::string &SDKVersion) {
SDKVersion.clear();
std::error_code EC;
}
/// \brief Get Windows SDK installation directory.
-static bool getWindowsSDKDir(std::string &Path, int &Major,
- std::string &WindowsSDKIncludeVersion,
- std::string &WindowsSDKLibVersion) {
+bool MSVCToolChain::getWindowsSDKDir(std::string &Path, int &Major,
+ std::string &WindowsSDKIncludeVersion,
+ std::string &WindowsSDKLibVersion) const {
std::string RegistrySDKVersion;
// Try the Windows registry.
if (!getSystemRegistryString(
return !WindowsSDKLibVersion.empty();
}
if (Major == 10) {
- if (!getWindows10SDKVersionFromPath(Path, WindowsSDKIncludeVersion))
+ if (!getWindows10SDKVersion(Path, WindowsSDKIncludeVersion))
return false;
WindowsSDKLibVersion = WindowsSDKIncludeVersion;
return true;
llvm::SmallString<128> libPath(sdkPath);
llvm::sys::path::append(libPath, "Lib");
- if (sdkMajor >= 8) {
- llvm::sys::path::append(libPath,
- windowsSDKLibVersion,
- "um",
- llvmArchToWindowsSDKArch(getArch()));
- } else {
+ if (sdkMajor <= 7) {
switch (getArch()) {
- // In Windows SDK 7.x, x86 libraries are directly in the Lib folder.
+ // In Windows SDK 7.x, x86 libraries are directly in the Lib folder.
case llvm::Triple::x86:
break;
case llvm::Triple::x86_64:
default:
return false;
}
+ } else {
+ const StringRef archName = getWindowsSDKArch(getArch());
+ if (archName.empty())
+ return false;
+ llvm::sys::path::append(libPath, windowsSDKLibVersion, "um", archName);
}
path = libPath.str();
// Check if the Include path of a specified version of Visual Studio contains
// specific header files. If not, they are probably shipped with Universal CRT.
-bool MSVCToolChain::useUniversalCRT() const {
- llvm::SmallString<128> TestPath(getSubDirectoryPath(SubDirectoryType::Include));
- llvm::sys::path::append(TestPath, "stdlib.h");
+bool clang::driver::toolchains::MSVCToolChain::useUniversalCRT(
+ std::string &VisualStudioDir) const {
+ llvm::SmallString<128> TestPath(VisualStudioDir);
+ llvm::sys::path::append(TestPath, "VC\\include\\stdlib.h");
+
return !llvm::sys::fs::exists(TestPath);
}
-static bool getUniversalCRTSdkDir(std::string &Path,
- std::string &UCRTVersion) {
+bool MSVCToolChain::getUniversalCRTSdkDir(std::string &Path,
+ std::string &UCRTVersion) const {
// vcvarsqueryregistry.bat for Visual Studio 2015 queries the registry
// for the specific key "KitsRoot10". So do we.
if (!getSystemRegistryString(
- "SOFTWARE\\Microsoft\\Windows Kits\\Installed Roots",
- "KitsRoot10", Path, nullptr))
+ "SOFTWARE\\Microsoft\\Windows Kits\\Installed Roots", "KitsRoot10",
+ Path, nullptr))
return false;
- return getWindows10SDKVersionFromPath(Path, UCRTVersion);
+ return getWindows10SDKVersion(Path, UCRTVersion);
}
bool MSVCToolChain::getUniversalCRTLibraryPath(std::string &Path) const {
if (!getUniversalCRTSdkDir(UniversalCRTSdkPath, UCRTVersion))
return false;
- StringRef ArchName = llvmArchToWindowsSDKArch(getArch());
+ StringRef ArchName = getWindowsSDKArch(getArch());
if (ArchName.empty())
return false;
return true;
}
-static VersionTuple getMSVCVersionFromTriple(const llvm::Triple &Triple) {
+// Get the location to use for Visual Studio binaries. The location priority
+// is: %VCINSTALLDIR% > %PATH% > newest copy of Visual Studio installed on
+// system (as reported by the registry).
+bool MSVCToolChain::getVisualStudioBinariesFolder(const char *clangProgramPath,
+ std::string &path) const {
+ path.clear();
+
+ SmallString<128> BinDir;
+
+ // First check the environment variables that vsvars32.bat sets.
+ llvm::Optional<std::string> VcInstallDir =
+ llvm::sys::Process::GetEnv("VCINSTALLDIR");
+ if (VcInstallDir.hasValue()) {
+ BinDir = VcInstallDir.getValue();
+ llvm::sys::path::append(BinDir, "bin");
+ } else {
+ // Next walk the PATH, trying to find a cl.exe in the path. If we find one,
+ // use that. However, make sure it's not clang's cl.exe.
+ llvm::Optional<std::string> OptPath = llvm::sys::Process::GetEnv("PATH");
+ if (OptPath.hasValue()) {
+ const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'};
+ SmallVector<StringRef, 8> PathSegments;
+ llvm::SplitString(OptPath.getValue(), PathSegments, EnvPathSeparatorStr);
+
+ for (StringRef PathSegment : PathSegments) {
+ if (PathSegment.empty())
+ continue;
+
+ SmallString<128> FilePath(PathSegment);
+ llvm::sys::path::append(FilePath, "cl.exe");
+ // Checking if cl.exe exists is a small optimization over calling
+ // can_execute, which really only checks for existence but will also do
+ // extra checks for cl.exe.exe. These add up when walking a long path.
+ if (llvm::sys::fs::exists(FilePath.c_str()) &&
+ !llvm::sys::fs::equivalent(FilePath.c_str(), clangProgramPath)) {
+ // If we found it on the PATH, use it exactly as is with no
+ // modifications.
+ path = PathSegment;
+ return true;
+ }
+ }
+ }
+
+ std::string installDir;
+ // With no VCINSTALLDIR and nothing on the PATH, if we can't find it in the
+ // registry then we have no choice but to fail.
+ if (!getVisualStudioInstallDir(installDir))
+ return false;
+
+ // Regardless of what binary we're ultimately trying to find, we make sure
+ // that this is a Visual Studio directory by checking for cl.exe. We use
+ // cl.exe instead of other binaries like link.exe because programs such as
+ // GnuWin32 also have a utility called link.exe, so cl.exe is the least
+ // ambiguous.
+ BinDir = installDir;
+ llvm::sys::path::append(BinDir, "VC", "bin");
+ SmallString<128> ClPath(BinDir);
+ llvm::sys::path::append(ClPath, "cl.exe");
+
+ if (!llvm::sys::fs::can_execute(ClPath.c_str()))
+ return false;
+ }
+
+ if (BinDir.empty())
+ return false;
+
+ switch (getArch()) {
+ case llvm::Triple::x86:
+ break;
+ case llvm::Triple::x86_64:
+ llvm::sys::path::append(BinDir, "amd64");
+ break;
+ case llvm::Triple::arm:
+ llvm::sys::path::append(BinDir, "arm");
+ break;
+ default:
+ // Whatever this is, Visual Studio doesn't have a toolchain for it.
+ return false;
+ }
+ path = BinDir.str();
+ return true;
+}
+
+VersionTuple MSVCToolChain::getMSVCVersionFromTriple() const {
unsigned Major, Minor, Micro;
- Triple.getEnvironmentVersion(Major, Minor, Micro);
+ getTriple().getEnvironmentVersion(Major, Minor, Micro);
if (Major || Minor || Micro)
return VersionTuple(Major, Minor, Micro);
return VersionTuple();
}
-static VersionTuple getMSVCVersionFromExe(const std::string &BinDir) {
+VersionTuple MSVCToolChain::getMSVCVersionFromExe() const {
VersionTuple Version;
#ifdef USE_WIN32
- SmallString<128> ClExe(BinDir);
+ std::string BinPath;
+ if (!getVisualStudioBinariesFolder("", BinPath))
+ return Version;
+ SmallString<128> ClExe(BinPath);
llvm::sys::path::append(ClExe, "cl.exe");
std::wstring ClExeWide;
return Version;
}
+// Get Visual Studio installation directory.
+bool MSVCToolChain::getVisualStudioInstallDir(std::string &path) const {
+ // First check the environment variables that vsvars32.bat sets.
+ if (llvm::Optional<std::string> VcInstallDir =
+ llvm::sys::Process::GetEnv("VCINSTALLDIR")) {
+ path = std::move(*VcInstallDir);
+ path = path.substr(0, path.find("\\VC"));
+ return true;
+ }
+
+ std::string vsIDEInstallDir;
+ std::string vsExpressIDEInstallDir;
+ // Then try the windows registry.
+ bool hasVCDir =
+ getSystemRegistryString("SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
+ "InstallDir", vsIDEInstallDir, nullptr);
+ if (hasVCDir && !vsIDEInstallDir.empty()) {
+ path = vsIDEInstallDir.substr(0, vsIDEInstallDir.find("\\Common7\\IDE"));
+ return true;
+ }
+
+ bool hasVCExpressDir =
+ getSystemRegistryString("SOFTWARE\\Microsoft\\VCExpress\\$VERSION",
+ "InstallDir", vsExpressIDEInstallDir, nullptr);
+ if (hasVCExpressDir && !vsExpressIDEInstallDir.empty()) {
+ path = vsExpressIDEInstallDir.substr(
+ 0, vsIDEInstallDir.find("\\Common7\\IDE"));
+ return true;
+ }
+
+ // Try the environment.
+ std::string vcomntools;
+ if (llvm::Optional<std::string> vs120comntools =
+ llvm::sys::Process::GetEnv("VS120COMNTOOLS"))
+ vcomntools = std::move(*vs120comntools);
+ else if (llvm::Optional<std::string> vs100comntools =
+ llvm::sys::Process::GetEnv("VS100COMNTOOLS"))
+ vcomntools = std::move(*vs100comntools);
+ else if (llvm::Optional<std::string> vs90comntools =
+ llvm::sys::Process::GetEnv("VS90COMNTOOLS"))
+ vcomntools = std::move(*vs90comntools);
+ else if (llvm::Optional<std::string> vs80comntools =
+ llvm::sys::Process::GetEnv("VS80COMNTOOLS"))
+ vcomntools = std::move(*vs80comntools);
+
+ // Find any version we can.
+ if (!vcomntools.empty()) {
+ size_t p = vcomntools.find("\\Common7\\Tools");
+ if (p != std::string::npos)
+ vcomntools.resize(p);
+ path = std::move(vcomntools);
+ return true;
+ }
+ return false;
+}
+
void MSVCToolChain::AddSystemIncludeWithSubfolder(
const ArgList &DriverArgs, ArgStringList &CC1Args,
const std::string &folder, const Twine &subfolder1, const Twine &subfolder2,
return;
}
+ std::string VSDir;
+
// When built with access to the proper Windows APIs, try to actually find
// the correct include paths first.
- if (!VCToolChainPath.empty()) {
- addSystemInclude(DriverArgs,
- CC1Args,
- getSubDirectoryPath(SubDirectoryType::Include));
+ if (getVisualStudioInstallDir(VSDir)) {
+ AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, VSDir, "VC\\include");
- if (useUniversalCRT()) {
+ if (useUniversalCRT(VSDir)) {
std::string UniversalCRTSdkPath;
std::string UCRTVersion;
if (getUniversalCRTSdkDir(UniversalCRTSdkPath, UCRTVersion)) {
AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, WindowsSDKDir,
"include");
}
+ } else {
+ addSystemInclude(DriverArgs, CC1Args, VSDir);
}
-
return;
}
const ArgList &Args) const {
bool IsWindowsMSVC = getTriple().isWindowsMSVCEnvironment();
VersionTuple MSVT = ToolChain::computeMSVCVersion(D, Args);
- if (MSVT.empty())
- MSVT = getMSVCVersionFromTriple(getTriple());
- if (MSVT.empty() && IsWindowsMSVC)
- MSVT = getMSVCVersionFromExe(getSubDirectoryPath(SubDirectoryType::Bin));
+ if (MSVT.empty()) MSVT = getMSVCVersionFromTriple();
+ if (MSVT.empty() && IsWindowsMSVC) MSVT = getMSVCVersionFromExe();
if (MSVT.empty() &&
Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions,
IsWindowsMSVC)) {
projects / clang / commitdiff