Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 1 | //===--- ToolChains.cpp - ToolChain Implementations -----------------------===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #include "ToolChains.h" |
| 11 | #include "clang/Basic/CharInfo.h" |
| 12 | #include "clang/Basic/Version.h" |
| 13 | #include "clang/Driver/Compilation.h" |
| 14 | #include "clang/Driver/Driver.h" |
| 15 | #include "clang/Driver/DriverDiagnostic.h" |
| 16 | #include "clang/Driver/Options.h" |
| 17 | #include "llvm/ADT/StringExtras.h" |
| 18 | #include "llvm/Config/llvm-config.h" |
| 19 | #include "llvm/Option/Arg.h" |
| 20 | #include "llvm/Option/ArgList.h" |
| 21 | #include "llvm/Support/ErrorHandling.h" |
| 22 | #include "llvm/Support/FileSystem.h" |
| 23 | #include "llvm/Support/Process.h" |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 24 | #include <cstdio> |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 25 | |
| 26 | // Include the necessary headers to interface with the Windows registry and |
| 27 | // environment. |
| 28 | #if defined(LLVM_ON_WIN32) |
| 29 | #define USE_WIN32 |
| 30 | #endif |
| 31 | |
| 32 | #ifdef USE_WIN32 |
| 33 | #define WIN32_LEAN_AND_MEAN |
| 34 | #define NOGDI |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 35 | #ifndef NOMINMAX |
| 36 | #define NOMINMAX |
| 37 | #endif |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 38 | #include <windows.h> |
| 39 | #endif |
| 40 | |
| 41 | using namespace clang::driver; |
| 42 | using namespace clang::driver::toolchains; |
| 43 | using namespace clang; |
| 44 | using namespace llvm::opt; |
| 45 | |
| 46 | MSVCToolChain::MSVCToolChain(const Driver &D, const llvm::Triple& Triple, |
| 47 | const ArgList &Args) |
| 48 | : ToolChain(D, Triple, Args) { |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 49 | getProgramPaths().push_back(getDriver().getInstalledDir()); |
| 50 | if (getDriver().getInstalledDir() != getDriver().Dir) |
| 51 | getProgramPaths().push_back(getDriver().Dir); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 52 | } |
| 53 | |
| 54 | Tool *MSVCToolChain::buildLinker() const { |
| 55 | return new tools::visualstudio::Link(*this); |
| 56 | } |
| 57 | |
| 58 | Tool *MSVCToolChain::buildAssembler() const { |
| 59 | if (getTriple().isOSBinFormatMachO()) |
| 60 | return new tools::darwin::Assemble(*this); |
| 61 | getDriver().Diag(clang::diag::err_no_external_assembler); |
| 62 | return nullptr; |
| 63 | } |
| 64 | |
| 65 | bool MSVCToolChain::IsIntegratedAssemblerDefault() const { |
| 66 | return true; |
| 67 | } |
| 68 | |
| 69 | bool MSVCToolChain::IsUnwindTablesDefault() const { |
| 70 | // Emit unwind tables by default on Win64. All non-x86_32 Windows platforms |
| 71 | // such as ARM and PPC actually require unwind tables, but LLVM doesn't know |
| 72 | // how to generate them yet. |
| 73 | return getArch() == llvm::Triple::x86_64; |
| 74 | } |
| 75 | |
| 76 | bool MSVCToolChain::isPICDefault() const { |
| 77 | return getArch() == llvm::Triple::x86_64; |
| 78 | } |
| 79 | |
| 80 | bool MSVCToolChain::isPIEDefault() const { |
| 81 | return false; |
| 82 | } |
| 83 | |
| 84 | bool MSVCToolChain::isPICDefaultForced() const { |
| 85 | return getArch() == llvm::Triple::x86_64; |
| 86 | } |
| 87 | |
| 88 | #ifdef USE_WIN32 |
| 89 | static bool readFullStringValue(HKEY hkey, const char *valueName, |
| 90 | std::string &value) { |
| 91 | // FIXME: We should be using the W versions of the registry functions, but |
| 92 | // doing so requires UTF8 / UTF16 conversions similar to how we handle command |
| 93 | // line arguments. The UTF8 conversion functions are not exposed publicly |
| 94 | // from LLVM though, so in order to do this we will probably need to create |
| 95 | // a registry abstraction in LLVMSupport that is Windows only. |
| 96 | DWORD result = 0; |
| 97 | DWORD valueSize = 0; |
| 98 | DWORD type = 0; |
| 99 | // First just query for the required size. |
| 100 | result = RegQueryValueEx(hkey, valueName, NULL, &type, NULL, &valueSize); |
| 101 | if (result != ERROR_SUCCESS || type != REG_SZ) |
| 102 | return false; |
| 103 | std::vector<BYTE> buffer(valueSize); |
| 104 | result = RegQueryValueEx(hkey, valueName, NULL, NULL, &buffer[0], &valueSize); |
| 105 | if (result == ERROR_SUCCESS) |
| 106 | value.assign(reinterpret_cast<const char *>(buffer.data())); |
| 107 | return result; |
| 108 | } |
| 109 | #endif |
| 110 | |
| 111 | /// \brief Read registry string. |
| 112 | /// This also supports a means to look for high-versioned keys by use |
| 113 | /// of a $VERSION placeholder in the key path. |
| 114 | /// $VERSION in the key path is a placeholder for the version number, |
| 115 | /// causing the highest value path to be searched for and used. |
| 116 | /// I.e. "SOFTWARE\\Microsoft\\VisualStudio\\$VERSION". |
| 117 | /// There can be additional characters in the component. Only the numeric |
| 118 | /// characters are compared. This function only searches HKLM. |
| 119 | static bool getSystemRegistryString(const char *keyPath, const char *valueName, |
| 120 | std::string &value, std::string *phValue) { |
| 121 | #ifndef USE_WIN32 |
| 122 | return false; |
| 123 | #else |
| 124 | HKEY hRootKey = HKEY_LOCAL_MACHINE; |
| 125 | HKEY hKey = NULL; |
| 126 | long lResult; |
| 127 | bool returnValue = false; |
| 128 | |
| 129 | const char *placeHolder = strstr(keyPath, "$VERSION"); |
| 130 | std::string bestName; |
| 131 | // If we have a $VERSION placeholder, do the highest-version search. |
| 132 | if (placeHolder) { |
| 133 | const char *keyEnd = placeHolder - 1; |
| 134 | const char *nextKey = placeHolder; |
| 135 | // Find end of previous key. |
| 136 | while ((keyEnd > keyPath) && (*keyEnd != '\\')) |
| 137 | keyEnd--; |
| 138 | // Find end of key containing $VERSION. |
| 139 | while (*nextKey && (*nextKey != '\\')) |
| 140 | nextKey++; |
| 141 | size_t partialKeyLength = keyEnd - keyPath; |
| 142 | char partialKey[256]; |
| 143 | if (partialKeyLength > sizeof(partialKey)) |
| 144 | partialKeyLength = sizeof(partialKey); |
| 145 | strncpy(partialKey, keyPath, partialKeyLength); |
| 146 | partialKey[partialKeyLength] = '\0'; |
| 147 | HKEY hTopKey = NULL; |
| 148 | lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ | KEY_WOW64_32KEY, |
| 149 | &hTopKey); |
| 150 | if (lResult == ERROR_SUCCESS) { |
| 151 | char keyName[256]; |
| 152 | double bestValue = 0.0; |
| 153 | DWORD index, size = sizeof(keyName) - 1; |
| 154 | for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL, |
| 155 | NULL, NULL, NULL) == ERROR_SUCCESS; index++) { |
| 156 | const char *sp = keyName; |
| 157 | while (*sp && !isDigit(*sp)) |
| 158 | sp++; |
| 159 | if (!*sp) |
| 160 | continue; |
| 161 | const char *ep = sp + 1; |
| 162 | while (*ep && (isDigit(*ep) || (*ep == '.'))) |
| 163 | ep++; |
| 164 | char numBuf[32]; |
| 165 | strncpy(numBuf, sp, sizeof(numBuf) - 1); |
| 166 | numBuf[sizeof(numBuf) - 1] = '\0'; |
| 167 | double dvalue = strtod(numBuf, NULL); |
| 168 | if (dvalue > bestValue) { |
| 169 | // Test that InstallDir is indeed there before keeping this index. |
| 170 | // Open the chosen key path remainder. |
| 171 | bestName = keyName; |
| 172 | // Append rest of key. |
| 173 | bestName.append(nextKey); |
| 174 | lResult = RegOpenKeyEx(hTopKey, bestName.c_str(), 0, |
| 175 | KEY_READ | KEY_WOW64_32KEY, &hKey); |
| 176 | if (lResult == ERROR_SUCCESS) { |
| 177 | lResult = readFullStringValue(hKey, valueName, value); |
| 178 | if (lResult == ERROR_SUCCESS) { |
| 179 | bestValue = dvalue; |
| 180 | if (phValue) |
| 181 | *phValue = bestName; |
| 182 | returnValue = true; |
| 183 | } |
| 184 | RegCloseKey(hKey); |
| 185 | } |
| 186 | } |
| 187 | size = sizeof(keyName) - 1; |
| 188 | } |
| 189 | RegCloseKey(hTopKey); |
| 190 | } |
| 191 | } else { |
| 192 | lResult = |
| 193 | RegOpenKeyEx(hRootKey, keyPath, 0, KEY_READ | KEY_WOW64_32KEY, &hKey); |
| 194 | if (lResult == ERROR_SUCCESS) { |
| 195 | lResult = readFullStringValue(hKey, valueName, value); |
| 196 | if (lResult == ERROR_SUCCESS) |
| 197 | returnValue = true; |
| 198 | if (phValue) |
| 199 | phValue->clear(); |
| 200 | RegCloseKey(hKey); |
| 201 | } |
| 202 | } |
| 203 | return returnValue; |
| 204 | #endif // USE_WIN32 |
| 205 | } |
| 206 | |
| 207 | /// \brief Get Windows SDK installation directory. |
| 208 | bool MSVCToolChain::getWindowsSDKDir(std::string &path, int &major, |
| 209 | int &minor) const { |
| 210 | std::string sdkVersion; |
| 211 | // Try the Windows registry. |
| 212 | bool hasSDKDir = getSystemRegistryString( |
| 213 | "SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION", |
| 214 | "InstallationFolder", path, &sdkVersion); |
| 215 | if (!sdkVersion.empty()) |
Stephen Hines | 0e2c34f | 2015-03-23 12:09:02 -0700 | [diff] [blame] | 216 | std::sscanf(sdkVersion.c_str(), "v%d.%d", &major, &minor); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 217 | return hasSDKDir && !path.empty(); |
| 218 | } |
| 219 | |
| 220 | // Gets the library path required to link against the Windows SDK. |
| 221 | bool MSVCToolChain::getWindowsSDKLibraryPath(std::string &path) const { |
| 222 | std::string sdkPath; |
| 223 | int sdkMajor = 0; |
| 224 | int sdkMinor = 0; |
| 225 | |
| 226 | path.clear(); |
| 227 | if (!getWindowsSDKDir(sdkPath, sdkMajor, sdkMinor)) |
| 228 | return false; |
| 229 | |
| 230 | llvm::SmallString<128> libPath(sdkPath); |
| 231 | llvm::sys::path::append(libPath, "Lib"); |
| 232 | if (sdkMajor <= 7) { |
| 233 | switch (getArch()) { |
| 234 | // In Windows SDK 7.x, x86 libraries are directly in the Lib folder. |
| 235 | case llvm::Triple::x86: |
| 236 | break; |
| 237 | case llvm::Triple::x86_64: |
| 238 | llvm::sys::path::append(libPath, "x64"); |
| 239 | break; |
| 240 | case llvm::Triple::arm: |
| 241 | // It is not necessary to link against Windows SDK 7.x when targeting ARM. |
| 242 | return false; |
| 243 | default: |
| 244 | return false; |
| 245 | } |
| 246 | } else { |
| 247 | // Windows SDK 8.x installs libraries in a folder whose names depend on the |
| 248 | // version of the OS you're targeting. By default choose the newest, which |
| 249 | // usually corresponds to the version of the OS you've installed the SDK on. |
| 250 | const char *tests[] = {"winv6.3", "win8", "win7"}; |
| 251 | bool found = false; |
| 252 | for (const char *test : tests) { |
| 253 | llvm::SmallString<128> testPath(libPath); |
| 254 | llvm::sys::path::append(testPath, test); |
| 255 | if (llvm::sys::fs::exists(testPath.c_str())) { |
| 256 | libPath = testPath; |
| 257 | found = true; |
| 258 | break; |
| 259 | } |
| 260 | } |
| 261 | |
| 262 | if (!found) |
| 263 | return false; |
| 264 | |
| 265 | llvm::sys::path::append(libPath, "um"); |
| 266 | switch (getArch()) { |
| 267 | case llvm::Triple::x86: |
| 268 | llvm::sys::path::append(libPath, "x86"); |
| 269 | break; |
| 270 | case llvm::Triple::x86_64: |
| 271 | llvm::sys::path::append(libPath, "x64"); |
| 272 | break; |
| 273 | case llvm::Triple::arm: |
| 274 | llvm::sys::path::append(libPath, "arm"); |
| 275 | break; |
| 276 | default: |
| 277 | return false; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | path = libPath.str(); |
| 282 | return true; |
| 283 | } |
| 284 | |
| 285 | // Get the location to use for Visual Studio binaries. The location priority |
| 286 | // is: %VCINSTALLDIR% > %PATH% > newest copy of Visual Studio installed on |
| 287 | // system (as reported by the registry). |
| 288 | bool MSVCToolChain::getVisualStudioBinariesFolder(const char *clangProgramPath, |
| 289 | std::string &path) const { |
| 290 | path.clear(); |
| 291 | |
| 292 | SmallString<128> BinDir; |
| 293 | |
| 294 | // First check the environment variables that vsvars32.bat sets. |
| 295 | llvm::Optional<std::string> VcInstallDir = |
| 296 | llvm::sys::Process::GetEnv("VCINSTALLDIR"); |
| 297 | if (VcInstallDir.hasValue()) { |
| 298 | BinDir = VcInstallDir.getValue(); |
| 299 | llvm::sys::path::append(BinDir, "bin"); |
| 300 | } else { |
| 301 | // Next walk the PATH, trying to find a cl.exe in the path. If we find one, |
| 302 | // use that. However, make sure it's not clang's cl.exe. |
| 303 | llvm::Optional<std::string> OptPath = llvm::sys::Process::GetEnv("PATH"); |
| 304 | if (OptPath.hasValue()) { |
| 305 | const char EnvPathSeparatorStr[] = {llvm::sys::EnvPathSeparator, '\0'}; |
| 306 | SmallVector<StringRef, 8> PathSegments; |
| 307 | llvm::SplitString(OptPath.getValue(), PathSegments, EnvPathSeparatorStr); |
| 308 | |
| 309 | for (StringRef PathSegment : PathSegments) { |
| 310 | if (PathSegment.empty()) |
| 311 | continue; |
| 312 | |
| 313 | SmallString<128> FilePath(PathSegment); |
| 314 | llvm::sys::path::append(FilePath, "cl.exe"); |
| 315 | if (llvm::sys::fs::can_execute(FilePath.c_str()) && |
| 316 | !llvm::sys::fs::equivalent(FilePath.c_str(), clangProgramPath)) { |
| 317 | // If we found it on the PATH, use it exactly as is with no |
| 318 | // modifications. |
| 319 | path = PathSegment; |
| 320 | return true; |
| 321 | } |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | std::string installDir; |
| 326 | // With no VCINSTALLDIR and nothing on the PATH, if we can't find it in the |
| 327 | // registry then we have no choice but to fail. |
| 328 | if (!getVisualStudioInstallDir(installDir)) |
| 329 | return false; |
| 330 | |
| 331 | // Regardless of what binary we're ultimately trying to find, we make sure |
| 332 | // that this is a Visual Studio directory by checking for cl.exe. We use |
| 333 | // cl.exe instead of other binaries like link.exe because programs such as |
| 334 | // GnuWin32 also have a utility called link.exe, so cl.exe is the least |
| 335 | // ambiguous. |
| 336 | BinDir = installDir; |
| 337 | llvm::sys::path::append(BinDir, "VC", "bin"); |
| 338 | SmallString<128> ClPath(BinDir); |
| 339 | llvm::sys::path::append(ClPath, "cl.exe"); |
| 340 | |
| 341 | if (!llvm::sys::fs::can_execute(ClPath.c_str())) |
| 342 | return false; |
| 343 | } |
| 344 | |
| 345 | if (BinDir.empty()) |
| 346 | return false; |
| 347 | |
| 348 | switch (getArch()) { |
| 349 | case llvm::Triple::x86: |
| 350 | break; |
| 351 | case llvm::Triple::x86_64: |
| 352 | llvm::sys::path::append(BinDir, "amd64"); |
| 353 | break; |
| 354 | case llvm::Triple::arm: |
| 355 | llvm::sys::path::append(BinDir, "arm"); |
| 356 | break; |
| 357 | default: |
| 358 | // Whatever this is, Visual Studio doesn't have a toolchain for it. |
| 359 | return false; |
| 360 | } |
| 361 | path = BinDir.str(); |
| 362 | return true; |
| 363 | } |
| 364 | |
| 365 | // Get Visual Studio installation directory. |
| 366 | bool MSVCToolChain::getVisualStudioInstallDir(std::string &path) const { |
| 367 | // First check the environment variables that vsvars32.bat sets. |
| 368 | const char *vcinstalldir = getenv("VCINSTALLDIR"); |
| 369 | if (vcinstalldir) { |
| 370 | path = vcinstalldir; |
| 371 | path = path.substr(0, path.find("\\VC")); |
| 372 | return true; |
| 373 | } |
| 374 | |
| 375 | std::string vsIDEInstallDir; |
| 376 | std::string vsExpressIDEInstallDir; |
| 377 | // Then try the windows registry. |
| 378 | bool hasVCDir = |
| 379 | getSystemRegistryString("SOFTWARE\\Microsoft\\VisualStudio\\$VERSION", |
| 380 | "InstallDir", vsIDEInstallDir, nullptr); |
| 381 | if (hasVCDir && !vsIDEInstallDir.empty()) { |
| 382 | path = vsIDEInstallDir.substr(0, vsIDEInstallDir.find("\\Common7\\IDE")); |
| 383 | return true; |
| 384 | } |
| 385 | |
| 386 | bool hasVCExpressDir = |
| 387 | getSystemRegistryString("SOFTWARE\\Microsoft\\VCExpress\\$VERSION", |
| 388 | "InstallDir", vsExpressIDEInstallDir, nullptr); |
| 389 | if (hasVCExpressDir && !vsExpressIDEInstallDir.empty()) { |
| 390 | path = vsExpressIDEInstallDir.substr( |
| 391 | 0, vsIDEInstallDir.find("\\Common7\\IDE")); |
| 392 | return true; |
| 393 | } |
| 394 | |
| 395 | // Try the environment. |
| 396 | const char *vs120comntools = getenv("VS120COMNTOOLS"); |
| 397 | const char *vs100comntools = getenv("VS100COMNTOOLS"); |
| 398 | const char *vs90comntools = getenv("VS90COMNTOOLS"); |
| 399 | const char *vs80comntools = getenv("VS80COMNTOOLS"); |
| 400 | |
| 401 | const char *vscomntools = nullptr; |
| 402 | |
| 403 | // Find any version we can |
| 404 | if (vs120comntools) |
| 405 | vscomntools = vs120comntools; |
| 406 | else if (vs100comntools) |
| 407 | vscomntools = vs100comntools; |
| 408 | else if (vs90comntools) |
| 409 | vscomntools = vs90comntools; |
| 410 | else if (vs80comntools) |
| 411 | vscomntools = vs80comntools; |
| 412 | |
| 413 | if (vscomntools && *vscomntools) { |
| 414 | const char *p = strstr(vscomntools, "\\Common7\\Tools"); |
| 415 | path = p ? std::string(vscomntools, p) : vscomntools; |
| 416 | return true; |
| 417 | } |
| 418 | return false; |
| 419 | } |
| 420 | |
| 421 | void MSVCToolChain::AddSystemIncludeWithSubfolder(const ArgList &DriverArgs, |
| 422 | ArgStringList &CC1Args, |
| 423 | const std::string &folder, |
| 424 | const char *subfolder) const { |
| 425 | llvm::SmallString<128> path(folder); |
| 426 | llvm::sys::path::append(path, subfolder); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 427 | addSystemInclude(DriverArgs, CC1Args, path); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | void MSVCToolChain::AddClangSystemIncludeArgs(const ArgList &DriverArgs, |
| 431 | ArgStringList &CC1Args) const { |
| 432 | if (DriverArgs.hasArg(options::OPT_nostdinc)) |
| 433 | return; |
| 434 | |
| 435 | if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) { |
| 436 | SmallString<128> P(getDriver().ResourceDir); |
| 437 | llvm::sys::path::append(P, "include"); |
Pirama Arumuga Nainar | 3ea9e33 | 2015-04-08 08:57:32 -0700 | [diff] [blame] | 438 | addSystemInclude(DriverArgs, CC1Args, P); |
Stephen Hines | 176edba | 2014-12-01 14:53:08 -0800 | [diff] [blame] | 439 | } |
| 440 | |
| 441 | if (DriverArgs.hasArg(options::OPT_nostdlibinc)) |
| 442 | return; |
| 443 | |
| 444 | // Honor %INCLUDE%. It should know essential search paths with vcvarsall.bat. |
| 445 | if (const char *cl_include_dir = getenv("INCLUDE")) { |
| 446 | SmallVector<StringRef, 8> Dirs; |
| 447 | StringRef(cl_include_dir) |
| 448 | .split(Dirs, ";", /*MaxSplit=*/-1, /*KeepEmpty=*/false); |
| 449 | for (StringRef Dir : Dirs) |
| 450 | addSystemInclude(DriverArgs, CC1Args, Dir); |
| 451 | if (!Dirs.empty()) |
| 452 | return; |
| 453 | } |
| 454 | |
| 455 | std::string VSDir; |
| 456 | |
| 457 | // When built with access to the proper Windows APIs, try to actually find |
| 458 | // the correct include paths first. |
| 459 | if (getVisualStudioInstallDir(VSDir)) { |
| 460 | AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, VSDir, "VC\\include"); |
| 461 | |
| 462 | std::string WindowsSDKDir; |
| 463 | int major, minor; |
| 464 | if (getWindowsSDKDir(WindowsSDKDir, major, minor)) { |
| 465 | if (major >= 8) { |
| 466 | AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, WindowsSDKDir, |
| 467 | "include\\shared"); |
| 468 | AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, WindowsSDKDir, |
| 469 | "include\\um"); |
| 470 | AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, WindowsSDKDir, |
| 471 | "include\\winrt"); |
| 472 | } else { |
| 473 | AddSystemIncludeWithSubfolder(DriverArgs, CC1Args, WindowsSDKDir, |
| 474 | "include"); |
| 475 | } |
| 476 | } else { |
| 477 | addSystemInclude(DriverArgs, CC1Args, VSDir); |
| 478 | } |
| 479 | return; |
| 480 | } |
| 481 | |
| 482 | // As a fallback, select default install paths. |
| 483 | // FIXME: Don't guess drives and paths like this on Windows. |
| 484 | const StringRef Paths[] = { |
| 485 | "C:/Program Files/Microsoft Visual Studio 10.0/VC/include", |
| 486 | "C:/Program Files/Microsoft Visual Studio 9.0/VC/include", |
| 487 | "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", |
| 488 | "C:/Program Files/Microsoft Visual Studio 8/VC/include", |
| 489 | "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include" |
| 490 | }; |
| 491 | addSystemIncludes(DriverArgs, CC1Args, Paths); |
| 492 | } |
| 493 | |
| 494 | void MSVCToolChain::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, |
| 495 | ArgStringList &CC1Args) const { |
| 496 | // FIXME: There should probably be logic here to find libc++ on Windows. |
| 497 | } |