InitHeaderSearch.cpp revision c3ec9ae41335d4f8f1c21278ddfe7d37a9e0d551
1//===--- InitHeaderSearch.cpp - Initialize header search paths ----------*-===// 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// This file implements the InitHeaderSearch class. 11// 12//===----------------------------------------------------------------------===// 13 14#include "clang/Frontend/Utils.h" 15#include "clang/Basic/FileManager.h" 16#include "clang/Basic/LangOptions.h" 17#include "clang/Frontend/HeaderSearchOptions.h" 18#include "clang/Lex/HeaderSearch.h" 19#include "llvm/ADT/SmallString.h" 20#include "llvm/ADT/SmallPtrSet.h" 21#include "llvm/ADT/SmallVector.h" 22#include "llvm/ADT/StringExtras.h" 23#include "llvm/ADT/Triple.h" 24#include "llvm/ADT/Twine.h" 25#include "llvm/Support/raw_ostream.h" 26#include "llvm/System/Path.h" 27#include "llvm/Config/config.h" 28#ifdef _MSC_VER 29 #define WIN32_LEAN_AND_MEAN 1 30 #include <windows.h> 31#endif 32using namespace clang; 33using namespace clang::frontend; 34 35namespace { 36 37/// InitHeaderSearch - This class makes it easier to set the search paths of 38/// a HeaderSearch object. InitHeaderSearch stores several search path lists 39/// internally, which can be sent to a HeaderSearch object in one swoop. 40class InitHeaderSearch { 41 std::vector<DirectoryLookup> IncludeGroup[4]; 42 HeaderSearch& Headers; 43 bool Verbose; 44 std::string isysroot; 45 46public: 47 48 InitHeaderSearch(HeaderSearch &HS, 49 bool verbose = false, const std::string &iSysroot = "") 50 : Headers(HS), Verbose(verbose), isysroot(iSysroot) {} 51 52 /// AddPath - Add the specified path to the specified group list. 53 void AddPath(const llvm::Twine &Path, IncludeDirGroup Group, 54 bool isCXXAware, bool isUserSupplied, 55 bool isFramework, bool IgnoreSysRoot = false); 56 57 /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu 58 /// libstdc++. 59 void AddGnuCPlusPlusIncludePaths(llvm::StringRef Base, 60 llvm::StringRef ArchDir, 61 llvm::StringRef Dir32, 62 llvm::StringRef Dir64, 63 const llvm::Triple &triple); 64 65 /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to suport a MinGW 66 /// libstdc++. 67 void AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base, 68 llvm::StringRef Arch, 69 llvm::StringRef Version); 70 71 /// AddDelimitedPaths - Add a list of paths delimited by the system PATH 72 /// separator. The processing follows that of the CPATH variable for gcc. 73 void AddDelimitedPaths(llvm::StringRef String); 74 75 // AddDefaultCIncludePaths - Add paths that should always be searched. 76 void AddDefaultCIncludePaths(const llvm::Triple &triple); 77 78 // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when 79 // compiling c++. 80 void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple); 81 82 /// AddDefaultSystemIncludePaths - Adds the default system include paths so 83 /// that e.g. stdio.h is found. 84 void AddDefaultSystemIncludePaths(const LangOptions &Lang, 85 const llvm::Triple &triple, 86 bool UseStandardCXXIncludes); 87 88 /// Realize - Merges all search path lists into one list and send it to 89 /// HeaderSearch. 90 void Realize(); 91}; 92 93} 94 95void InitHeaderSearch::AddPath(const llvm::Twine &Path, 96 IncludeDirGroup Group, bool isCXXAware, 97 bool isUserSupplied, bool isFramework, 98 bool IgnoreSysRoot) { 99 assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); 100 FileManager &FM = Headers.getFileMgr(); 101 102 // Compute the actual path, taking into consideration -isysroot. 103 llvm::SmallString<256> MappedPathStr; 104 llvm::raw_svector_ostream MappedPath(MappedPathStr); 105 106 // Handle isysroot. 107 if (Group == System && !IgnoreSysRoot) { 108 // FIXME: Portability. This should be a sys::Path interface, this doesn't 109 // handle things like C:\ right, nor win32 \\network\device\blah. 110 if (isysroot.size() != 1 || isysroot[0] != '/') // Add isysroot if present. 111 MappedPath << isysroot; 112 } 113 114 Path.print(MappedPath); 115 116 // Compute the DirectoryLookup type. 117 SrcMgr::CharacteristicKind Type; 118 if (Group == Quoted || Group == Angled) 119 Type = SrcMgr::C_User; 120 else if (isCXXAware) 121 Type = SrcMgr::C_System; 122 else 123 Type = SrcMgr::C_ExternCSystem; 124 125 126 // If the directory exists, add it. 127 if (const DirectoryEntry *DE = FM.getDirectory(MappedPath.str())) { 128 IncludeGroup[Group].push_back(DirectoryLookup(DE, Type, isUserSupplied, 129 isFramework)); 130 return; 131 } 132 133 // Check to see if this is an apple-style headermap (which are not allowed to 134 // be frameworks). 135 if (!isFramework) { 136 if (const FileEntry *FE = FM.getFile(MappedPath.str())) { 137 if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { 138 // It is a headermap, add it to the search path. 139 IncludeGroup[Group].push_back(DirectoryLookup(HM, Type,isUserSupplied)); 140 return; 141 } 142 } 143 } 144 145 if (Verbose) 146 llvm::errs() << "ignoring nonexistent directory \"" 147 << MappedPath.str() << "\"\n"; 148} 149 150 151void InitHeaderSearch::AddDelimitedPaths(llvm::StringRef at) { 152 if (at.empty()) // Empty string should not add '.' path. 153 return; 154 155 llvm::StringRef::size_type delim; 156 while ((delim = at.find(llvm::sys::PathSeparator)) != llvm::StringRef::npos) { 157 if (delim == 0) 158 AddPath(".", Angled, false, true, false); 159 else 160 AddPath(at.substr(0, delim), Angled, false, true, false); 161 at = at.substr(delim + 1); 162 } 163 164 if (at.empty()) 165 AddPath(".", Angled, false, true, false); 166 else 167 AddPath(at, Angled, false, true, false); 168} 169 170void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(llvm::StringRef Base, 171 llvm::StringRef ArchDir, 172 llvm::StringRef Dir32, 173 llvm::StringRef Dir64, 174 const llvm::Triple &triple) { 175 // Add the base dir 176 AddPath(Base, System, true, false, false); 177 178 // Add the multilib dirs 179 llvm::Triple::ArchType arch = triple.getArch(); 180 bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; 181 if (is64bit) 182 AddPath(Base + "/" + ArchDir + "/" + Dir64, System, true, false, false); 183 else 184 AddPath(Base + "/" + ArchDir + "/" + Dir32, System, true, false, false); 185 186 // Add the backward dir 187 AddPath(Base + "/backward", System, true, false, false); 188} 189 190void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base, 191 llvm::StringRef Arch, 192 llvm::StringRef Version) { 193 AddPath(Base + "/" + Arch + "/" + Version + "/include", 194 System, true, false, false); 195 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", 196 System, true, false, false); 197 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", 198 System, true, false, false); 199} 200 201 // FIXME: This probably should goto to some platform utils place. 202#ifdef _MSC_VER 203 204 // Read registry string. 205 // This also supports a means to look for high-versioned keys by use 206 // of a $VERSION placeholder in the key path. 207 // $VERSION in the key path is a placeholder for the version number, 208 // causing the highest value path to be searched for and used. 209 // I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION". 210 // There can be additional characters in the component. Only the numberic 211 // characters are compared. 212static bool getSystemRegistryString(const char *keyPath, const char *valueName, 213 char *value, size_t maxLength) { 214 HKEY hRootKey = NULL; 215 HKEY hKey = NULL; 216 const char* subKey = NULL; 217 DWORD valueType; 218 DWORD valueSize = maxLength - 1; 219 long lResult; 220 bool returnValue = false; 221 if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) { 222 hRootKey = HKEY_CLASSES_ROOT; 223 subKey = keyPath + 18; 224 } 225 else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) { 226 hRootKey = HKEY_USERS; 227 subKey = keyPath + 11; 228 } 229 else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) { 230 hRootKey = HKEY_LOCAL_MACHINE; 231 subKey = keyPath + 19; 232 } 233 else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) { 234 hRootKey = HKEY_CURRENT_USER; 235 subKey = keyPath + 18; 236 } 237 else 238 return(false); 239 const char *placeHolder = strstr(subKey, "$VERSION"); 240 char bestName[256]; 241 bestName[0] = '\0'; 242 // If we have a $VERSION placeholder, do the highest-version search. 243 if (placeHolder) { 244 const char *keyEnd = placeHolder - 1; 245 const char *nextKey = placeHolder; 246 // Find end of previous key. 247 while ((keyEnd > subKey) && (*keyEnd != '\\')) 248 keyEnd--; 249 // Find end of key containing $VERSION. 250 while (*nextKey && (*nextKey != '\\')) 251 nextKey++; 252 size_t partialKeyLength = keyEnd - subKey; 253 char partialKey[256]; 254 if (partialKeyLength > sizeof(partialKey)) 255 partialKeyLength = sizeof(partialKey); 256 strncpy(partialKey, subKey, partialKeyLength); 257 partialKey[partialKeyLength] = '\0'; 258 HKEY hTopKey = NULL; 259 lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey); 260 if (lResult == ERROR_SUCCESS) { 261 char keyName[256]; 262 int bestIndex = -1; 263 double bestValue = 0.0; 264 DWORD index, size = sizeof(keyName) - 1; 265 for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL, 266 NULL, NULL, NULL) == ERROR_SUCCESS; index++) { 267 const char *sp = keyName; 268 while (*sp && !isdigit(*sp)) 269 sp++; 270 if (!*sp) 271 continue; 272 const char *ep = sp + 1; 273 while (*ep && (isdigit(*ep) || (*ep == '.'))) 274 ep++; 275 char numBuf[32]; 276 strncpy(numBuf, sp, sizeof(numBuf) - 1); 277 numBuf[sizeof(numBuf) - 1] = '\0'; 278 double value = strtod(numBuf, NULL); 279 if (value > bestValue) { 280 bestIndex = (int)index; 281 bestValue = value; 282 strcpy(bestName, keyName); 283 } 284 size = sizeof(keyName) - 1; 285 } 286 // If we found the highest versioned key, open the key and get the value. 287 if (bestIndex != -1) { 288 // Append rest of key. 289 strncat(bestName, nextKey, sizeof(bestName) - 1); 290 bestName[sizeof(bestName) - 1] = '\0'; 291 // Open the chosen key path remainder. 292 lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey); 293 if (lResult == ERROR_SUCCESS) { 294 lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, 295 (LPBYTE)value, &valueSize); 296 if (lResult == ERROR_SUCCESS) 297 returnValue = true; 298 RegCloseKey(hKey); 299 } 300 } 301 RegCloseKey(hTopKey); 302 } 303 } 304 else { 305 lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey); 306 if (lResult == ERROR_SUCCESS) { 307 lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, 308 (LPBYTE)value, &valueSize); 309 if (lResult == ERROR_SUCCESS) 310 returnValue = true; 311 RegCloseKey(hKey); 312 } 313 } 314 return(returnValue); 315} 316#else // _MSC_VER 317 // Read registry string. 318static bool getSystemRegistryString(const char*, const char*, char*, size_t) { 319 return(false); 320} 321#endif // _MSC_VER 322 323 // Get Visual Studio installation directory. 324static bool getVisualStudioDir(std::string &path) { 325 char vsIDEInstallDir[256]; 326 // Try the Windows registry first. 327 bool hasVCDir = getSystemRegistryString( 328 "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION", 329 "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1); 330 // If we have both vc80 and vc90, pick version we were compiled with. 331 if (hasVCDir && vsIDEInstallDir[0]) { 332 char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE"); 333 if (p) 334 *p = '\0'; 335 path = vsIDEInstallDir; 336 return(true); 337 } 338 else { 339 // Try the environment. 340 const char* vs90comntools = getenv("VS90COMNTOOLS"); 341 const char* vs80comntools = getenv("VS80COMNTOOLS"); 342 const char* vscomntools = NULL; 343 // If we have both vc80 and vc90, pick version we were compiled with. 344 if (vs90comntools && vs80comntools) { 345 #if (_MSC_VER >= 1500) // VC90 346 vscomntools = vs90comntools; 347 #elif (_MSC_VER == 1400) // VC80 348 vscomntools = vs80comntools; 349 #else 350 vscomntools = vs90comntools; 351 #endif 352 } 353 else if (vs90comntools) 354 vscomntools = vs90comntools; 355 else if (vs80comntools) 356 vscomntools = vs80comntools; 357 if (vscomntools && *vscomntools) { 358 char *p = const_cast<char *>(strstr(vscomntools, "\\Common7\\Tools")); 359 if (p) 360 *p = '\0'; 361 path = vscomntools; 362 return(true); 363 } 364 else 365 return(false); 366 } 367 return(false); 368} 369 370 // Get Windows SDK installation directory. 371static bool getWindowsSDKDir(std::string &path) { 372 char windowsSDKInstallDir[256]; 373 // Try the Windows registry. 374 bool hasSDKDir = getSystemRegistryString( 375 "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION", 376 "InstallationFolder", windowsSDKInstallDir, sizeof(windowsSDKInstallDir) - 1); 377 // If we have both vc80 and vc90, pick version we were compiled with. 378 if (hasSDKDir && windowsSDKInstallDir[0]) { 379 path = windowsSDKInstallDir; 380 return(true); 381 } 382 return(false); 383} 384 385void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple) { 386 // FIXME: temporary hack: hard-coded paths. 387 llvm::StringRef CIncludeDirs(C_INCLUDE_DIRS); 388 if (CIncludeDirs != "") { 389 llvm::SmallVector<llvm::StringRef, 5> dirs; 390 CIncludeDirs.split(dirs, ":"); 391 for (llvm::SmallVectorImpl<llvm::StringRef>::iterator i = dirs.begin(); 392 i != dirs.end(); 393 ++i) 394 AddPath(*i, System, false, false, false); 395 return; 396 } 397 llvm::Triple::OSType os = triple.getOS(); 398 switch (os) { 399 case llvm::Triple::Win32: 400 { 401 std::string VSDir; 402 std::string WindowsSDKDir; 403 if (getVisualStudioDir(VSDir)) { 404 AddPath(VSDir + "\\VC\\include", System, false, false, false); 405 if (getWindowsSDKDir(WindowsSDKDir)) 406 AddPath(WindowsSDKDir, System, false, false, false); 407 else 408 AddPath(VSDir + "\\VC\\PlatformSDK\\Include", 409 System, false, false, false); 410 } 411 else { 412 // Default install paths. 413 AddPath("C:/Program Files/Microsoft Visual Studio 9.0/VC/include", 414 System, false, false, false); 415 AddPath( 416 "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", 417 System, false, false, false); 418 AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include", 419 System, false, false, false); 420 AddPath( 421 "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include", 422 System, false, false, false); 423 // For some clang developers. 424 AddPath("G:/Program Files/Microsoft Visual Studio 9.0/VC/include", 425 System, false, false, false); 426 AddPath( 427 "G:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", 428 System, false, false, false); 429 } 430 } 431 break; 432 case llvm::Triple::Haiku: 433 AddPath("/boot/common/include", System, true, false, false); 434 AddPath("/boot/develop/headers/os", System, true, false, false); 435 AddPath("/boot/develop/headers/os/app", System, true, false, false); 436 AddPath("/boot/develop/headers/os/arch", System, true, false, false); 437 AddPath("/boot/develop/headers/os/device", System, true, false, false); 438 AddPath("/boot/develop/headers/os/drivers", System, true, false, false); 439 AddPath("/boot/develop/headers/os/game", System, true, false, false); 440 AddPath("/boot/develop/headers/os/interface", System, true, false, false); 441 AddPath("/boot/develop/headers/os/kernel", System, true, false, false); 442 AddPath("/boot/develop/headers/os/locale", System, true, false, false); 443 AddPath("/boot/develop/headers/os/mail", System, true, false, false); 444 AddPath("/boot/develop/headers/os/media", System, true, false, false); 445 AddPath("/boot/develop/headers/os/midi", System, true, false, false); 446 AddPath("/boot/develop/headers/os/midi2", System, true, false, false); 447 AddPath("/boot/develop/headers/os/net", System, true, false, false); 448 AddPath("/boot/develop/headers/os/storage", System, true, false, false); 449 AddPath("/boot/develop/headers/os/support", System, true, false, false); 450 AddPath("/boot/develop/headers/os/translation", 451 System, true, false, false); 452 AddPath("/boot/develop/headers/os/add-ons/graphics", 453 System, true, false, false); 454 AddPath("/boot/develop/headers/os/add-ons/input_server", 455 System, true, false, false); 456 AddPath("/boot/develop/headers/os/add-ons/screen_saver", 457 System, true, false, false); 458 AddPath("/boot/develop/headers/os/add-ons/tracker", 459 System, true, false, false); 460 AddPath("/boot/develop/headers/os/be_apps/Deskbar", 461 System, true, false, false); 462 AddPath("/boot/develop/headers/os/be_apps/NetPositive", 463 System, true, false, false); 464 AddPath("/boot/develop/headers/os/be_apps/Tracker", 465 System, true, false, false); 466 AddPath("/boot/develop/headers/cpp", System, true, false, false); 467 AddPath("/boot/develop/headers/cpp/i586-pc-haiku", 468 System, true, false, false); 469 AddPath("/boot/develop/headers/3rdparty", System, true, false, false); 470 AddPath("/boot/develop/headers/bsd", System, true, false, false); 471 AddPath("/boot/develop/headers/glibc", System, true, false, false); 472 AddPath("/boot/develop/headers/posix", System, true, false, false); 473 AddPath("/boot/develop/headers", System, true, false, false); 474 break; 475 case llvm::Triple::MinGW64: 476 case llvm::Triple::MinGW32: 477 AddPath("c:/mingw/include", System, true, false, false); 478 break; 479 default: 480 break; 481 } 482 483 AddPath("/usr/local/include", System, true, false, false); 484 AddPath("/usr/include", System, false, false, false); 485} 486 487void InitHeaderSearch:: 488AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple) { 489 llvm::Triple::OSType os = triple.getOS(); 490 llvm::StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT); 491 if (CxxIncludeRoot != "") { 492 llvm::StringRef CxxIncludeArch(CXX_INCLUDE_ARCH); 493 if (CxxIncludeArch == "") 494 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, triple.str().c_str(), 495 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 496 triple); 497 else 498 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, CXX_INCLUDE_ARCH, 499 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 500 triple); 501 return; 502 } 503 // FIXME: temporary hack: hard-coded paths. 504 switch (os) { 505 case llvm::Triple::Cygwin: 506 AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include", 507 System, true, false, false); 508 AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include/c++", 509 System, true, false, false); 510 break; 511 case llvm::Triple::MinGW64: 512 // Try gcc 4.4.0 513 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.4.0"); 514 // Try gcc 4.3.0 515 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.3.0"); 516 // Fall through. 517 case llvm::Triple::MinGW32: 518 // Try gcc 4.4.0 519 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); 520 // Try gcc 4.3.0 521 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); 522 break; 523 case llvm::Triple::Darwin: 524 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 525 "i686-apple-darwin10", "", "x86_64", triple); 526 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 527 "i686-apple-darwin8", "", "", triple); 528 break; 529 case llvm::Triple::DragonFly: 530 AddPath("/usr/include/c++/4.1", System, true, false, false); 531 break; 532 case llvm::Triple::Linux: 533 //===------------------------------------------------------------------===// 534 // Debian based distros. 535 // Note: these distros symlink /usr/include/c++/X.Y.Z -> X.Y 536 //===------------------------------------------------------------------===// 537 // Ubuntu 10.04 LTS "Lucid Lynx" -- gcc-4.4.3 538 // Ubuntu 9.10 "Karmic Koala" -- gcc-4.4.1 539 // Debian 6.0 "squeeze" -- gcc-4.4.2 540 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 541 "x86_64-linux-gnu", "32", "", triple); 542 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 543 "i486-linux-gnu", "", "64", triple); 544 // Ubuntu 9.04 "Jaunty Jackalope" -- gcc-4.3.3 545 // Ubuntu 8.10 "Intrepid Ibex" -- gcc-4.3.2 546 // Debian 5.0 "lenny" -- gcc-4.3.2 547 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 548 "x86_64-linux-gnu", "32", "", triple); 549 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 550 "i486-linux-gnu", "", "64", triple); 551 // Ubuntu 8.04.4 LTS "Hardy Heron" -- gcc-4.2.4 552 // Ubuntu 8.04.[0-3] LTS "Hardy Heron" -- gcc-4.2.3 553 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 554 "x86_64-linux-gnu", "32", "", triple); 555 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 556 "i486-linux-gnu", "", "64", triple); 557 // Ubuntu 7.10 "Gutsy Gibbon" -- gcc-4.1.3 558 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 559 "x86_64-linux-gnu", "32", "", triple); 560 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 561 "i486-linux-gnu", "", "64", triple); 562 563 //===------------------------------------------------------------------===// 564 // Redhat based distros. 565 //===------------------------------------------------------------------===// 566 // Fedora 13 567 // Fedora 12 568 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 569 "x86_64-redhat-linux", "32", "", triple); 570 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 571 "i686-redhat-linux","", "", triple); 572 // Fedora 12 (pre-FEB-2010) 573 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 574 "x86_64-redhat-linux", "32", "", triple); 575 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 576 "i686-redhat-linux","", "", triple); 577 // Fedora 11 578 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 579 "x86_64-redhat-linux", "32", "", triple); 580 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 581 "i586-redhat-linux","", "", triple); 582 // Fedora 10 583 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 584 "x86_64-redhat-linux", "32", "", triple); 585 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 586 "i386-redhat-linux","", "", triple); 587 // Fedora 9 588 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 589 "x86_64-redhat-linux", "32", "", triple); 590 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 591 "i386-redhat-linux", "", "", triple); 592 // Fedora 8 593 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 594 "x86_64-redhat-linux", "", "", triple); 595 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 596 "i386-redhat-linux", "", "", triple); 597 598 //===------------------------------------------------------------------===// 599 600 // Exherbo (2010-01-25) 601 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 602 "x86_64-pc-linux-gnu", "32", "", triple); 603 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 604 "i686-pc-linux-gnu", "", "", triple); 605 606 // openSUSE 11.1 32 bit 607 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 608 "i586-suse-linux", "", "", triple); 609 // openSUSE 11.1 64 bit 610 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 611 "x86_64-suse-linux", "32", "", triple); 612 // openSUSE 11.2 613 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 614 "i586-suse-linux", "", "", triple); 615 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 616 "x86_64-suse-linux", "", "", triple); 617 // Arch Linux 2008-06-24 618 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 619 "i686-pc-linux-gnu", "", "", triple); 620 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 621 "x86_64-unknown-linux-gnu", "", "", triple); 622 // Gentoo x86 2009.1 stable 623 AddGnuCPlusPlusIncludePaths( 624 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4", 625 "i686-pc-linux-gnu", "", "", triple); 626 // Gentoo x86 2009.0 stable 627 AddGnuCPlusPlusIncludePaths( 628 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4", 629 "i686-pc-linux-gnu", "", "", triple); 630 // Gentoo x86 2008.0 stable 631 AddGnuCPlusPlusIncludePaths( 632 "/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4", 633 "i686-pc-linux-gnu", "", "", triple); 634 // Gentoo amd64 stable 635 AddGnuCPlusPlusIncludePaths( 636 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4", 637 "i686-pc-linux-gnu", "", "", triple); 638 639 // Gentoo amd64 gcc 4.3.2 640 AddGnuCPlusPlusIncludePaths( 641 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.2/include/g++-v4", 642 "x86_64-pc-linux-gnu", "", "", triple); 643 644 // Gentoo amd64 gcc 4.4.3 645 AddGnuCPlusPlusIncludePaths( 646 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4", 647 "x86_64-pc-linux-gnu", "32", "", triple); 648 649 break; 650 case llvm::Triple::FreeBSD: 651 // FreeBSD 8.0 652 // FreeBSD 7.3 653 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple); 654 break; 655 case llvm::Triple::Solaris: 656 // Solaris - Fall though.. 657 case llvm::Triple::AuroraUX: 658 // AuroraUX 659 AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", 660 "i386-pc-solaris2.11", "", "", triple); 661 break; 662 default: 663 break; 664 } 665} 666 667void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang, 668 const llvm::Triple &triple, 669 bool UseStandardCXXIncludes) { 670 if (Lang.CPlusPlus && UseStandardCXXIncludes) 671 AddDefaultCPlusPlusIncludePaths(triple); 672 673 AddDefaultCIncludePaths(triple); 674 675 // Add the default framework include paths on Darwin. 676 if (triple.getOS() == llvm::Triple::Darwin) { 677 AddPath("/System/Library/Frameworks", System, true, false, true); 678 AddPath("/Library/Frameworks", System, true, false, true); 679 } 680} 681 682/// RemoveDuplicates - If there are duplicate directory entries in the specified 683/// search list, remove the later (dead) ones. 684static void RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, 685 bool Verbose) { 686 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; 687 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; 688 llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; 689 for (unsigned i = 0; i != SearchList.size(); ++i) { 690 unsigned DirToRemove = i; 691 692 const DirectoryLookup &CurEntry = SearchList[i]; 693 694 if (CurEntry.isNormalDir()) { 695 // If this isn't the first time we've seen this dir, remove it. 696 if (SeenDirs.insert(CurEntry.getDir())) 697 continue; 698 } else if (CurEntry.isFramework()) { 699 // If this isn't the first time we've seen this framework dir, remove it. 700 if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir())) 701 continue; 702 } else { 703 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 704 // If this isn't the first time we've seen this headermap, remove it. 705 if (SeenHeaderMaps.insert(CurEntry.getHeaderMap())) 706 continue; 707 } 708 709 // If we have a normal #include dir/framework/headermap that is shadowed 710 // later in the chain by a system include location, we actually want to 711 // ignore the user's request and drop the user dir... keeping the system 712 // dir. This is weird, but required to emulate GCC's search path correctly. 713 // 714 // Since dupes of system dirs are rare, just rescan to find the original 715 // that we're nuking instead of using a DenseMap. 716 if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { 717 // Find the dir that this is the same of. 718 unsigned FirstDir; 719 for (FirstDir = 0; ; ++FirstDir) { 720 assert(FirstDir != i && "Didn't find dupe?"); 721 722 const DirectoryLookup &SearchEntry = SearchList[FirstDir]; 723 724 // If these are different lookup types, then they can't be the dupe. 725 if (SearchEntry.getLookupType() != CurEntry.getLookupType()) 726 continue; 727 728 bool isSame; 729 if (CurEntry.isNormalDir()) 730 isSame = SearchEntry.getDir() == CurEntry.getDir(); 731 else if (CurEntry.isFramework()) 732 isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); 733 else { 734 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 735 isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); 736 } 737 738 if (isSame) 739 break; 740 } 741 742 // If the first dir in the search path is a non-system dir, zap it 743 // instead of the system one. 744 if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) 745 DirToRemove = FirstDir; 746 } 747 748 if (Verbose) { 749 llvm::errs() << "ignoring duplicate directory \"" 750 << CurEntry.getName() << "\"\n"; 751 if (DirToRemove != i) 752 llvm::errs() << " as it is a non-system directory that duplicates " 753 << "a system directory\n"; 754 } 755 756 // This is reached if the current entry is a duplicate. Remove the 757 // DirToRemove (usually the current dir). 758 SearchList.erase(SearchList.begin()+DirToRemove); 759 --i; 760 } 761} 762 763 764void InitHeaderSearch::Realize() { 765 // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. 766 std::vector<DirectoryLookup> SearchList; 767 SearchList = IncludeGroup[Angled]; 768 SearchList.insert(SearchList.end(), IncludeGroup[System].begin(), 769 IncludeGroup[System].end()); 770 SearchList.insert(SearchList.end(), IncludeGroup[After].begin(), 771 IncludeGroup[After].end()); 772 RemoveDuplicates(SearchList, Verbose); 773 RemoveDuplicates(IncludeGroup[Quoted], Verbose); 774 775 // Prepend QUOTED list on the search list. 776 SearchList.insert(SearchList.begin(), IncludeGroup[Quoted].begin(), 777 IncludeGroup[Quoted].end()); 778 779 780 bool DontSearchCurDir = false; // TODO: set to true if -I- is set? 781 Headers.SetSearchPaths(SearchList, IncludeGroup[Quoted].size(), 782 DontSearchCurDir); 783 784 // If verbose, print the list of directories that will be searched. 785 if (Verbose) { 786 llvm::errs() << "#include \"...\" search starts here:\n"; 787 unsigned QuotedIdx = IncludeGroup[Quoted].size(); 788 for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { 789 if (i == QuotedIdx) 790 llvm::errs() << "#include <...> search starts here:\n"; 791 const char *Name = SearchList[i].getName(); 792 const char *Suffix; 793 if (SearchList[i].isNormalDir()) 794 Suffix = ""; 795 else if (SearchList[i].isFramework()) 796 Suffix = " (framework directory)"; 797 else { 798 assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); 799 Suffix = " (headermap)"; 800 } 801 llvm::errs() << " " << Name << Suffix << "\n"; 802 } 803 llvm::errs() << "End of search list.\n"; 804 } 805} 806 807void clang::ApplyHeaderSearchOptions(HeaderSearch &HS, 808 const HeaderSearchOptions &HSOpts, 809 const LangOptions &Lang, 810 const llvm::Triple &Triple) { 811 InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); 812 813 // Add the user defined entries. 814 for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { 815 const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; 816 Init.AddPath(E.Path, E.Group, false, E.IsUserSupplied, E.IsFramework, 817 false); 818 } 819 820 // Add entries from CPATH and friends. 821 Init.AddDelimitedPaths(HSOpts.EnvIncPath); 822 if (Lang.CPlusPlus && Lang.ObjC1) 823 Init.AddDelimitedPaths(HSOpts.ObjCXXEnvIncPath); 824 else if (Lang.CPlusPlus) 825 Init.AddDelimitedPaths(HSOpts.CXXEnvIncPath); 826 else if (Lang.ObjC1) 827 Init.AddDelimitedPaths(HSOpts.ObjCEnvIncPath); 828 else 829 Init.AddDelimitedPaths(HSOpts.CEnvIncPath); 830 831 if (HSOpts.UseBuiltinIncludes) { 832 // Ignore the sys root, we *always* look for clang headers relative to 833 // supplied path. 834 llvm::sys::Path P(HSOpts.ResourceDir); 835 P.appendComponent("include"); 836 Init.AddPath(P.str(), System, false, false, false, /*IgnoreSysRoot=*/ true); 837 } 838 839 if (HSOpts.UseStandardIncludes) 840 Init.AddDefaultSystemIncludePaths(Lang, Triple, 841 HSOpts.UseStandardCXXIncludes); 842 843 if (HSOpts.UseStandardIncludes) 844 Init.AddDefaultSystemIncludePaths(Lang, Triple, 845 HSOpts.UseStandardCXXIncludes); 846 847 Init.Realize(); 848} 849