InitHeaderSearch.cpp revision 616d4362f01a8f819f9351372c3c4368777d4480
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 const HeaderSearchOptions &HSOpts); 78 79 // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when 80 // compiling c++. 81 void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple); 82 83 /// AddDefaultSystemIncludePaths - Adds the default system include paths so 84 /// that e.g. stdio.h is found. 85 void AddDefaultSystemIncludePaths(const LangOptions &Lang, 86 const llvm::Triple &triple, 87 const HeaderSearchOptions &HSOpts); 88 89 /// Realize - Merges all search path lists into one list and send it to 90 /// HeaderSearch. 91 void Realize(); 92}; 93 94} 95 96void InitHeaderSearch::AddPath(const llvm::Twine &Path, 97 IncludeDirGroup Group, bool isCXXAware, 98 bool isUserSupplied, bool isFramework, 99 bool IgnoreSysRoot) { 100 assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); 101 FileManager &FM = Headers.getFileMgr(); 102 103 // Compute the actual path, taking into consideration -isysroot. 104 llvm::SmallString<256> MappedPathStr; 105 llvm::raw_svector_ostream MappedPath(MappedPathStr); 106 107 // Handle isysroot. 108 if (Group == System && !IgnoreSysRoot) { 109 // FIXME: Portability. This should be a sys::Path interface, this doesn't 110 // handle things like C:\ right, nor win32 \\network\device\blah. 111 if (isysroot.size() != 1 || isysroot[0] != '/') // Add isysroot if present. 112 MappedPath << isysroot; 113 } 114 115 Path.print(MappedPath); 116 117 // Compute the DirectoryLookup type. 118 SrcMgr::CharacteristicKind Type; 119 if (Group == Quoted || Group == Angled) 120 Type = SrcMgr::C_User; 121 else if (isCXXAware) 122 Type = SrcMgr::C_System; 123 else 124 Type = SrcMgr::C_ExternCSystem; 125 126 127 // If the directory exists, add it. 128 if (const DirectoryEntry *DE = FM.getDirectory(MappedPath.str())) { 129 IncludeGroup[Group].push_back(DirectoryLookup(DE, Type, isUserSupplied, 130 isFramework)); 131 return; 132 } 133 134 // Check to see if this is an apple-style headermap (which are not allowed to 135 // be frameworks). 136 if (!isFramework) { 137 if (const FileEntry *FE = FM.getFile(MappedPath.str())) { 138 if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { 139 // It is a headermap, add it to the search path. 140 IncludeGroup[Group].push_back(DirectoryLookup(HM, Type,isUserSupplied)); 141 return; 142 } 143 } 144 } 145 146 if (Verbose) 147 llvm::errs() << "ignoring nonexistent directory \"" 148 << MappedPath.str() << "\"\n"; 149} 150 151 152void InitHeaderSearch::AddDelimitedPaths(llvm::StringRef at) { 153 if (at.empty()) // Empty string should not add '.' path. 154 return; 155 156 llvm::StringRef::size_type delim; 157 while ((delim = at.find(llvm::sys::PathSeparator)) != llvm::StringRef::npos) { 158 if (delim == 0) 159 AddPath(".", Angled, false, true, false); 160 else 161 AddPath(at.substr(0, delim), Angled, false, true, false); 162 at = at.substr(delim + 1); 163 } 164 165 if (at.empty()) 166 AddPath(".", Angled, false, true, false); 167 else 168 AddPath(at, Angled, false, true, false); 169} 170 171void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(llvm::StringRef Base, 172 llvm::StringRef ArchDir, 173 llvm::StringRef Dir32, 174 llvm::StringRef Dir64, 175 const llvm::Triple &triple) { 176 // Add the base dir 177 AddPath(Base, System, true, false, false); 178 179 // Add the multilib dirs 180 llvm::Triple::ArchType arch = triple.getArch(); 181 bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; 182 if (is64bit) 183 AddPath(Base + "/" + ArchDir + "/" + Dir64, System, true, false, false); 184 else 185 AddPath(Base + "/" + ArchDir + "/" + Dir32, System, true, false, false); 186 187 // Add the backward dir 188 AddPath(Base + "/backward", System, true, false, false); 189} 190 191void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(llvm::StringRef Base, 192 llvm::StringRef Arch, 193 llvm::StringRef Version) { 194 AddPath(Base + "/" + Arch + "/" + Version + "/include", 195 System, true, false, false); 196 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", 197 System, true, false, false); 198 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", 199 System, true, false, false); 200} 201 202 // FIXME: This probably should goto to some platform utils place. 203#ifdef _MSC_VER 204 205 // Read registry string. 206 // This also supports a means to look for high-versioned keys by use 207 // of a $VERSION placeholder in the key path. 208 // $VERSION in the key path is a placeholder for the version number, 209 // causing the highest value path to be searched for and used. 210 // I.e. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION". 211 // There can be additional characters in the component. Only the numberic 212 // characters are compared. 213static bool getSystemRegistryString(const char *keyPath, const char *valueName, 214 char *value, size_t maxLength) { 215 HKEY hRootKey = NULL; 216 HKEY hKey = NULL; 217 const char* subKey = NULL; 218 DWORD valueType; 219 DWORD valueSize = maxLength - 1; 220 long lResult; 221 bool returnValue = false; 222 if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) { 223 hRootKey = HKEY_CLASSES_ROOT; 224 subKey = keyPath + 18; 225 } 226 else if (strncmp(keyPath, "HKEY_USERS\\", 11) == 0) { 227 hRootKey = HKEY_USERS; 228 subKey = keyPath + 11; 229 } 230 else if (strncmp(keyPath, "HKEY_LOCAL_MACHINE\\", 19) == 0) { 231 hRootKey = HKEY_LOCAL_MACHINE; 232 subKey = keyPath + 19; 233 } 234 else if (strncmp(keyPath, "HKEY_CURRENT_USER\\", 18) == 0) { 235 hRootKey = HKEY_CURRENT_USER; 236 subKey = keyPath + 18; 237 } 238 else 239 return(false); 240 const char *placeHolder = strstr(subKey, "$VERSION"); 241 char bestName[256]; 242 bestName[0] = '\0'; 243 // If we have a $VERSION placeholder, do the highest-version search. 244 if (placeHolder) { 245 const char *keyEnd = placeHolder - 1; 246 const char *nextKey = placeHolder; 247 // Find end of previous key. 248 while ((keyEnd > subKey) && (*keyEnd != '\\')) 249 keyEnd--; 250 // Find end of key containing $VERSION. 251 while (*nextKey && (*nextKey != '\\')) 252 nextKey++; 253 size_t partialKeyLength = keyEnd - subKey; 254 char partialKey[256]; 255 if (partialKeyLength > sizeof(partialKey)) 256 partialKeyLength = sizeof(partialKey); 257 strncpy(partialKey, subKey, partialKeyLength); 258 partialKey[partialKeyLength] = '\0'; 259 HKEY hTopKey = NULL; 260 lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey); 261 if (lResult == ERROR_SUCCESS) { 262 char keyName[256]; 263 int bestIndex = -1; 264 double bestValue = 0.0; 265 DWORD index, size = sizeof(keyName) - 1; 266 for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL, 267 NULL, NULL, NULL) == ERROR_SUCCESS; index++) { 268 const char *sp = keyName; 269 while (*sp && !isdigit(*sp)) 270 sp++; 271 if (!*sp) 272 continue; 273 const char *ep = sp + 1; 274 while (*ep && (isdigit(*ep) || (*ep == '.'))) 275 ep++; 276 char numBuf[32]; 277 strncpy(numBuf, sp, sizeof(numBuf) - 1); 278 numBuf[sizeof(numBuf) - 1] = '\0'; 279 double value = strtod(numBuf, NULL); 280 if (value > bestValue) { 281 bestIndex = (int)index; 282 bestValue = value; 283 strcpy(bestName, keyName); 284 } 285 size = sizeof(keyName) - 1; 286 } 287 // If we found the highest versioned key, open the key and get the value. 288 if (bestIndex != -1) { 289 // Append rest of key. 290 strncat(bestName, nextKey, sizeof(bestName) - 1); 291 bestName[sizeof(bestName) - 1] = '\0'; 292 // Open the chosen key path remainder. 293 lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey); 294 if (lResult == ERROR_SUCCESS) { 295 lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, 296 (LPBYTE)value, &valueSize); 297 if (lResult == ERROR_SUCCESS) 298 returnValue = true; 299 RegCloseKey(hKey); 300 } 301 } 302 RegCloseKey(hTopKey); 303 } 304 } 305 else { 306 lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey); 307 if (lResult == ERROR_SUCCESS) { 308 lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType, 309 (LPBYTE)value, &valueSize); 310 if (lResult == ERROR_SUCCESS) 311 returnValue = true; 312 RegCloseKey(hKey); 313 } 314 } 315 return(returnValue); 316} 317#else // _MSC_VER 318 // Read registry string. 319static bool getSystemRegistryString(const char*, const char*, char*, size_t) { 320 return(false); 321} 322#endif // _MSC_VER 323 324 // Get Visual Studio installation directory. 325static bool getVisualStudioDir(std::string &path) { 326 char vsIDEInstallDir[256]; 327 char vsExpressIDEInstallDir[256]; 328 // Try the Windows registry first. 329 bool hasVCDir = getSystemRegistryString( 330 "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION", 331 "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1); 332 bool hasVCExpressDir = getSystemRegistryString( 333 "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VCExpress\\$VERSION", 334 "InstallDir", vsExpressIDEInstallDir, sizeof(vsExpressIDEInstallDir) - 1); 335 // If we have both vc80 and vc90, pick version we were compiled with. 336 if (hasVCDir && vsIDEInstallDir[0]) { 337 char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE"); 338 if (p) 339 *p = '\0'; 340 path = vsIDEInstallDir; 341 return(true); 342 } 343 else if (hasVCExpressDir && vsExpressIDEInstallDir[0]) { 344 char *p = (char*)strstr(vsExpressIDEInstallDir, "\\Common7\\IDE"); 345 if (p) 346 *p = '\0'; 347 path = vsExpressIDEInstallDir; 348 return(true); 349 } 350 else { 351 // Try the environment. 352 const char* vs100comntools = getenv("VS100COMNTOOLS"); 353 const char* vs90comntools = getenv("VS90COMNTOOLS"); 354 const char* vs80comntools = getenv("VS80COMNTOOLS"); 355 const char* vscomntools = NULL; 356 357 // Try to find the version that we were compiled with 358 if(false) {} 359 #if (_MSC_VER >= 1600) // VC100 360 else if(vs100comntools) { 361 vscomntools = vs100comntools; 362 } 363 #elif (_MSC_VER == 1500) // VC80 364 else if(vs90comntools) { 365 vscomntools = vs90comntools; 366 } 367 #elif (_MSC_VER == 1400) // VC80 368 else if(vs80comntools) { 369 vscomntools = vs80comntools; 370 } 371 #endif 372 // Otherwise find any version we can 373 else if (vs100comntools) 374 vscomntools = vs100comntools; 375 else if (vs90comntools) 376 vscomntools = vs90comntools; 377 else if (vs80comntools) 378 vscomntools = vs80comntools; 379 380 if (vscomntools && *vscomntools) { 381 char *p = const_cast<char *>(strstr(vscomntools, "\\Common7\\Tools")); 382 if (p) 383 *p = '\0'; 384 path = vscomntools; 385 return(true); 386 } 387 else 388 return(false); 389 } 390 return(false); 391} 392 393 // Get Windows SDK installation directory. 394static bool getWindowsSDKDir(std::string &path) { 395 char windowsSDKInstallDir[256]; 396 // Try the Windows registry. 397 bool hasSDKDir = getSystemRegistryString( 398 "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft SDKs\\Windows\\$VERSION", 399 "InstallationFolder", windowsSDKInstallDir, sizeof(windowsSDKInstallDir) - 1); 400 // If we have both vc80 and vc90, pick version we were compiled with. 401 if (hasSDKDir && windowsSDKInstallDir[0]) { 402 path = windowsSDKInstallDir; 403 return(true); 404 } 405 return(false); 406} 407 408void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, 409 const HeaderSearchOptions &HSOpts) { 410 // FIXME: temporary hack: hard-coded paths. 411 AddPath("/usr/local/include", System, true, false, false); 412 413 // Builtin includes use #include_next directives and should be positioned 414 // just prior C include dirs. 415 if (HSOpts.UseBuiltinIncludes) { 416 // Ignore the sys root, we *always* look for clang headers relative to 417 // supplied path. 418 llvm::sys::Path P(HSOpts.ResourceDir); 419 P.appendComponent("include"); 420 AddPath(P.str(), System, false, false, false, /*IgnoreSysRoot=*/ true); 421 } 422 423 // Add dirs specified via 'configure --with-c-include-dirs'. 424 llvm::StringRef CIncludeDirs(C_INCLUDE_DIRS); 425 if (CIncludeDirs != "") { 426 llvm::SmallVector<llvm::StringRef, 5> dirs; 427 CIncludeDirs.split(dirs, ":"); 428 for (llvm::SmallVectorImpl<llvm::StringRef>::iterator i = dirs.begin(); 429 i != dirs.end(); 430 ++i) 431 AddPath(*i, System, false, false, false); 432 return; 433 } 434 llvm::Triple::OSType os = triple.getOS(); 435 switch (os) { 436 case llvm::Triple::Win32: 437 { 438 std::string VSDir; 439 std::string WindowsSDKDir; 440 if (getVisualStudioDir(VSDir)) { 441 AddPath(VSDir + "\\VC\\include", System, false, false, false); 442 if (getWindowsSDKDir(WindowsSDKDir)) 443 AddPath(WindowsSDKDir, System, false, false, false); 444 else 445 AddPath(VSDir + "\\VC\\PlatformSDK\\Include", 446 System, false, false, false); 447 } 448 else { 449 // Default install paths. 450 AddPath("C:/Program Files/Microsoft Visual Studio 10.0/VC/include", 451 System, false, false, false); 452 AddPath("C:/Program Files/Microsoft Visual Studio 9.0/VC/include", 453 System, false, false, false); 454 AddPath( 455 "C:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", 456 System, false, false, false); 457 AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include", 458 System, false, false, false); 459 AddPath( 460 "C:/Program Files/Microsoft Visual Studio 8/VC/PlatformSDK/Include", 461 System, false, false, false); 462 // For some clang developers. 463 AddPath("G:/Program Files/Microsoft Visual Studio 9.0/VC/include", 464 System, false, false, false); 465 AddPath( 466 "G:/Program Files/Microsoft Visual Studio 9.0/VC/PlatformSDK/Include", 467 System, false, false, false); 468 } 469 } 470 break; 471 case llvm::Triple::Haiku: 472 AddPath("/boot/common/include", System, true, false, false); 473 AddPath("/boot/develop/headers/os", System, true, false, false); 474 AddPath("/boot/develop/headers/os/app", System, true, false, false); 475 AddPath("/boot/develop/headers/os/arch", System, true, false, false); 476 AddPath("/boot/develop/headers/os/device", System, true, false, false); 477 AddPath("/boot/develop/headers/os/drivers", System, true, false, false); 478 AddPath("/boot/develop/headers/os/game", System, true, false, false); 479 AddPath("/boot/develop/headers/os/interface", System, true, false, false); 480 AddPath("/boot/develop/headers/os/kernel", System, true, false, false); 481 AddPath("/boot/develop/headers/os/locale", System, true, false, false); 482 AddPath("/boot/develop/headers/os/mail", System, true, false, false); 483 AddPath("/boot/develop/headers/os/media", System, true, false, false); 484 AddPath("/boot/develop/headers/os/midi", System, true, false, false); 485 AddPath("/boot/develop/headers/os/midi2", System, true, false, false); 486 AddPath("/boot/develop/headers/os/net", System, true, false, false); 487 AddPath("/boot/develop/headers/os/storage", System, true, false, false); 488 AddPath("/boot/develop/headers/os/support", System, true, false, false); 489 AddPath("/boot/develop/headers/os/translation", 490 System, true, false, false); 491 AddPath("/boot/develop/headers/os/add-ons/graphics", 492 System, true, false, false); 493 AddPath("/boot/develop/headers/os/add-ons/input_server", 494 System, true, false, false); 495 AddPath("/boot/develop/headers/os/add-ons/screen_saver", 496 System, true, false, false); 497 AddPath("/boot/develop/headers/os/add-ons/tracker", 498 System, true, false, false); 499 AddPath("/boot/develop/headers/os/be_apps/Deskbar", 500 System, true, false, false); 501 AddPath("/boot/develop/headers/os/be_apps/NetPositive", 502 System, true, false, false); 503 AddPath("/boot/develop/headers/os/be_apps/Tracker", 504 System, true, false, false); 505 AddPath("/boot/develop/headers/cpp", System, true, false, false); 506 AddPath("/boot/develop/headers/cpp/i586-pc-haiku", 507 System, true, false, false); 508 AddPath("/boot/develop/headers/3rdparty", System, true, false, false); 509 AddPath("/boot/develop/headers/bsd", System, true, false, false); 510 AddPath("/boot/develop/headers/glibc", System, true, false, false); 511 AddPath("/boot/develop/headers/posix", System, true, false, false); 512 AddPath("/boot/develop/headers", System, true, false, false); 513 break; 514 case llvm::Triple::MinGW64: 515 case llvm::Triple::MinGW32: 516 AddPath("c:/mingw/include", System, true, false, false); 517 break; 518 default: 519 break; 520 } 521 522 AddPath("/usr/include", System, false, false, false); 523} 524 525void InitHeaderSearch:: 526AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple) { 527 llvm::Triple::OSType os = triple.getOS(); 528 llvm::StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT); 529 if (CxxIncludeRoot != "") { 530 llvm::StringRef CxxIncludeArch(CXX_INCLUDE_ARCH); 531 if (CxxIncludeArch == "") 532 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, triple.str().c_str(), 533 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 534 triple); 535 else 536 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, CXX_INCLUDE_ARCH, 537 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 538 triple); 539 return; 540 } 541 // FIXME: temporary hack: hard-coded paths. 542 switch (os) { 543 case llvm::Triple::Cygwin: 544 AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include", 545 System, true, false, false); 546 AddPath("/lib/gcc/i686-pc-cygwin/3.4.4/include/c++", 547 System, true, false, false); 548 break; 549 case llvm::Triple::MinGW64: 550 // Try gcc 4.4.0 551 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.4.0"); 552 // Try gcc 4.3.0 553 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw64", "4.3.0"); 554 // Fall through. 555 case llvm::Triple::MinGW32: 556 // Try gcc 4.4.0 557 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); 558 // Try gcc 4.3.0 559 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); 560 break; 561 case llvm::Triple::Darwin: 562 switch (triple.getArch()) { 563 default: break; 564 565 case llvm::Triple::ppc: 566 case llvm::Triple::ppc64: 567 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 568 "powerpc-apple-darwin10", "", "ppc64", 569 triple); 570 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 571 "powerpc-apple-darwin10", "", "ppc64", 572 triple); 573 break; 574 575 case llvm::Triple::x86: 576 case llvm::Triple::x86_64: 577 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 578 "i686-apple-darwin10", "", "x86_64", triple); 579 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 580 "i686-apple-darwin8", "", "", triple); 581 break; 582 583 case llvm::Triple::arm: 584 case llvm::Triple::thumb: 585 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 586 "arm-apple-darwin10", "v7", "", triple); 587 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 588 "arm-apple-darwin10", "v6", "", triple); 589 break; 590 } 591 break; 592 case llvm::Triple::DragonFly: 593 AddPath("/usr/include/c++/4.1", System, true, false, false); 594 break; 595 case llvm::Triple::Linux: 596 //===------------------------------------------------------------------===// 597 // Debian based distros. 598 // Note: these distros symlink /usr/include/c++/X.Y.Z -> X.Y 599 //===------------------------------------------------------------------===// 600 // Ubuntu 10.04 LTS "Lucid Lynx" -- gcc-4.4.3 601 // Ubuntu 9.10 "Karmic Koala" -- gcc-4.4.1 602 // Debian 6.0 "squeeze" -- gcc-4.4.2 603 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 604 "x86_64-linux-gnu", "32", "", triple); 605 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 606 "i486-linux-gnu", "", "64", triple); 607 // Ubuntu 9.04 "Jaunty Jackalope" -- gcc-4.3.3 608 // Ubuntu 8.10 "Intrepid Ibex" -- gcc-4.3.2 609 // Debian 5.0 "lenny" -- gcc-4.3.2 610 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 611 "x86_64-linux-gnu", "32", "", triple); 612 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 613 "i486-linux-gnu", "", "64", triple); 614 // Ubuntu 8.04.4 LTS "Hardy Heron" -- gcc-4.2.4 615 // Ubuntu 8.04.[0-3] LTS "Hardy Heron" -- gcc-4.2.3 616 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 617 "x86_64-linux-gnu", "32", "", triple); 618 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 619 "i486-linux-gnu", "", "64", triple); 620 // Ubuntu 7.10 "Gutsy Gibbon" -- gcc-4.1.3 621 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 622 "x86_64-linux-gnu", "32", "", triple); 623 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 624 "i486-linux-gnu", "", "64", triple); 625 626 //===------------------------------------------------------------------===// 627 // Redhat based distros. 628 //===------------------------------------------------------------------===// 629 // Fedora 13 630 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.4", 631 "x86_64-redhat-linux", "32", "", triple); 632 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.4", 633 "i686-redhat-linux","", "", triple); 634 // Fedora 12 635 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 636 "x86_64-redhat-linux", "32", "", triple); 637 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 638 "i686-redhat-linux","", "", triple); 639 // Fedora 12 (pre-FEB-2010) 640 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 641 "x86_64-redhat-linux", "32", "", triple); 642 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 643 "i686-redhat-linux","", "", triple); 644 // Fedora 11 645 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 646 "x86_64-redhat-linux", "32", "", triple); 647 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 648 "i586-redhat-linux","", "", triple); 649 // Fedora 10 650 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 651 "x86_64-redhat-linux", "32", "", triple); 652 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 653 "i386-redhat-linux","", "", triple); 654 // Fedora 9 655 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 656 "x86_64-redhat-linux", "32", "", triple); 657 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 658 "i386-redhat-linux", "", "", triple); 659 // Fedora 8 660 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 661 "x86_64-redhat-linux", "", "", triple); 662 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 663 "i386-redhat-linux", "", "", triple); 664 665 //===------------------------------------------------------------------===// 666 667 // Exherbo (2010-01-25) 668 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 669 "x86_64-pc-linux-gnu", "32", "", triple); 670 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 671 "i686-pc-linux-gnu", "", "", triple); 672 673 // openSUSE 11.1 32 bit 674 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 675 "i586-suse-linux", "", "", triple); 676 // openSUSE 11.1 64 bit 677 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 678 "x86_64-suse-linux", "32", "", triple); 679 // openSUSE 11.2 680 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 681 "i586-suse-linux", "", "", triple); 682 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 683 "x86_64-suse-linux", "", "", triple); 684 // Arch Linux 2008-06-24 685 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 686 "i686-pc-linux-gnu", "", "", triple); 687 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 688 "x86_64-unknown-linux-gnu", "", "", triple); 689 // Gentoo x86 2009.1 stable 690 AddGnuCPlusPlusIncludePaths( 691 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4", 692 "i686-pc-linux-gnu", "", "", triple); 693 // Gentoo x86 2009.0 stable 694 AddGnuCPlusPlusIncludePaths( 695 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4", 696 "i686-pc-linux-gnu", "", "", triple); 697 // Gentoo x86 2008.0 stable 698 AddGnuCPlusPlusIncludePaths( 699 "/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4", 700 "i686-pc-linux-gnu", "", "", triple); 701 // Gentoo amd64 stable 702 AddGnuCPlusPlusIncludePaths( 703 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4", 704 "i686-pc-linux-gnu", "", "", triple); 705 706 // Gentoo amd64 gcc 4.3.2 707 AddGnuCPlusPlusIncludePaths( 708 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.2/include/g++-v4", 709 "x86_64-pc-linux-gnu", "", "", triple); 710 711 // Gentoo amd64 gcc 4.4.3 712 AddGnuCPlusPlusIncludePaths( 713 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4", 714 "x86_64-pc-linux-gnu", "32", "", triple); 715 716 break; 717 case llvm::Triple::FreeBSD: 718 // FreeBSD 8.0 719 // FreeBSD 7.3 720 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple); 721 break; 722 case llvm::Triple::Solaris: 723 // Solaris - Fall though.. 724 case llvm::Triple::AuroraUX: 725 // AuroraUX 726 AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", 727 "i386-pc-solaris2.11", "", "", triple); 728 break; 729 default: 730 break; 731 } 732} 733 734void InitHeaderSearch::AddDefaultSystemIncludePaths(const LangOptions &Lang, 735 const llvm::Triple &triple, 736 const HeaderSearchOptions &HSOpts) { 737 if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes) 738 AddDefaultCPlusPlusIncludePaths(triple); 739 740 AddDefaultCIncludePaths(triple, HSOpts); 741 742 // Add the default framework include paths on Darwin. 743 if (triple.getOS() == llvm::Triple::Darwin) { 744 AddPath("/System/Library/Frameworks", System, true, false, true); 745 AddPath("/Library/Frameworks", System, true, false, true); 746 } 747} 748 749/// RemoveDuplicates - If there are duplicate directory entries in the specified 750/// search list, remove the later (dead) ones. 751static void RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, 752 bool Verbose) { 753 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; 754 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; 755 llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; 756 for (unsigned i = 0; i != SearchList.size(); ++i) { 757 unsigned DirToRemove = i; 758 759 const DirectoryLookup &CurEntry = SearchList[i]; 760 761 if (CurEntry.isNormalDir()) { 762 // If this isn't the first time we've seen this dir, remove it. 763 if (SeenDirs.insert(CurEntry.getDir())) 764 continue; 765 } else if (CurEntry.isFramework()) { 766 // If this isn't the first time we've seen this framework dir, remove it. 767 if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir())) 768 continue; 769 } else { 770 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 771 // If this isn't the first time we've seen this headermap, remove it. 772 if (SeenHeaderMaps.insert(CurEntry.getHeaderMap())) 773 continue; 774 } 775 776 // If we have a normal #include dir/framework/headermap that is shadowed 777 // later in the chain by a system include location, we actually want to 778 // ignore the user's request and drop the user dir... keeping the system 779 // dir. This is weird, but required to emulate GCC's search path correctly. 780 // 781 // Since dupes of system dirs are rare, just rescan to find the original 782 // that we're nuking instead of using a DenseMap. 783 if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { 784 // Find the dir that this is the same of. 785 unsigned FirstDir; 786 for (FirstDir = 0; ; ++FirstDir) { 787 assert(FirstDir != i && "Didn't find dupe?"); 788 789 const DirectoryLookup &SearchEntry = SearchList[FirstDir]; 790 791 // If these are different lookup types, then they can't be the dupe. 792 if (SearchEntry.getLookupType() != CurEntry.getLookupType()) 793 continue; 794 795 bool isSame; 796 if (CurEntry.isNormalDir()) 797 isSame = SearchEntry.getDir() == CurEntry.getDir(); 798 else if (CurEntry.isFramework()) 799 isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); 800 else { 801 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 802 isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); 803 } 804 805 if (isSame) 806 break; 807 } 808 809 // If the first dir in the search path is a non-system dir, zap it 810 // instead of the system one. 811 if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) 812 DirToRemove = FirstDir; 813 } 814 815 if (Verbose) { 816 llvm::errs() << "ignoring duplicate directory \"" 817 << CurEntry.getName() << "\"\n"; 818 if (DirToRemove != i) 819 llvm::errs() << " as it is a non-system directory that duplicates " 820 << "a system directory\n"; 821 } 822 823 // This is reached if the current entry is a duplicate. Remove the 824 // DirToRemove (usually the current dir). 825 SearchList.erase(SearchList.begin()+DirToRemove); 826 --i; 827 } 828} 829 830 831void InitHeaderSearch::Realize() { 832 // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. 833 std::vector<DirectoryLookup> SearchList; 834 SearchList = IncludeGroup[Angled]; 835 SearchList.insert(SearchList.end(), IncludeGroup[System].begin(), 836 IncludeGroup[System].end()); 837 SearchList.insert(SearchList.end(), IncludeGroup[After].begin(), 838 IncludeGroup[After].end()); 839 RemoveDuplicates(SearchList, Verbose); 840 RemoveDuplicates(IncludeGroup[Quoted], Verbose); 841 842 // Prepend QUOTED list on the search list. 843 SearchList.insert(SearchList.begin(), IncludeGroup[Quoted].begin(), 844 IncludeGroup[Quoted].end()); 845 846 847 bool DontSearchCurDir = false; // TODO: set to true if -I- is set? 848 Headers.SetSearchPaths(SearchList, IncludeGroup[Quoted].size(), 849 DontSearchCurDir); 850 851 // If verbose, print the list of directories that will be searched. 852 if (Verbose) { 853 llvm::errs() << "#include \"...\" search starts here:\n"; 854 unsigned QuotedIdx = IncludeGroup[Quoted].size(); 855 for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { 856 if (i == QuotedIdx) 857 llvm::errs() << "#include <...> search starts here:\n"; 858 const char *Name = SearchList[i].getName(); 859 const char *Suffix; 860 if (SearchList[i].isNormalDir()) 861 Suffix = ""; 862 else if (SearchList[i].isFramework()) 863 Suffix = " (framework directory)"; 864 else { 865 assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); 866 Suffix = " (headermap)"; 867 } 868 llvm::errs() << " " << Name << Suffix << "\n"; 869 } 870 llvm::errs() << "End of search list.\n"; 871 } 872} 873 874void clang::ApplyHeaderSearchOptions(HeaderSearch &HS, 875 const HeaderSearchOptions &HSOpts, 876 const LangOptions &Lang, 877 const llvm::Triple &Triple) { 878 InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); 879 880 // Add the user defined entries. 881 for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { 882 const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; 883 Init.AddPath(E.Path, E.Group, false, E.IsUserSupplied, E.IsFramework, 884 false); 885 } 886 887 // Add entries from CPATH and friends. 888 Init.AddDelimitedPaths(HSOpts.EnvIncPath); 889 if (Lang.CPlusPlus && Lang.ObjC1) 890 Init.AddDelimitedPaths(HSOpts.ObjCXXEnvIncPath); 891 else if (Lang.CPlusPlus) 892 Init.AddDelimitedPaths(HSOpts.CXXEnvIncPath); 893 else if (Lang.ObjC1) 894 Init.AddDelimitedPaths(HSOpts.ObjCEnvIncPath); 895 else 896 Init.AddDelimitedPaths(HSOpts.CEnvIncPath); 897 898 if (HSOpts.UseStandardIncludes) 899 Init.AddDefaultSystemIncludePaths(Lang, Triple, HSOpts); 900 901 Init.Realize(); 902} 903