InitHeaderSearch.cpp revision b2cf89f50c2072d94c51a1128c2d6dbe9db6bdd1
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#ifdef HAVE_CLANG_CONFIG_H 15# include "clang/Config/config.h" 16#endif 17 18#include "clang/Frontend/Utils.h" 19#include "clang/Basic/FileManager.h" 20#include "clang/Basic/LangOptions.h" 21#include "clang/Frontend/HeaderSearchOptions.h" 22#include "clang/Lex/HeaderSearch.h" 23#include "llvm/ADT/SmallString.h" 24#include "llvm/ADT/SmallPtrSet.h" 25#include "llvm/ADT/SmallVector.h" 26#include "llvm/ADT/StringExtras.h" 27#include "llvm/ADT/Triple.h" 28#include "llvm/ADT/Twine.h" 29#include "llvm/Support/raw_ostream.h" 30#include "llvm/Support/ErrorHandling.h" 31#include "llvm/Support/Path.h" 32#include "llvm/Config/config.h" 33using namespace clang; 34using namespace clang::frontend; 35 36namespace { 37 38/// InitHeaderSearch - This class makes it easier to set the search paths of 39/// a HeaderSearch object. InitHeaderSearch stores several search path lists 40/// internally, which can be sent to a HeaderSearch object in one swoop. 41class InitHeaderSearch { 42 std::vector<std::pair<IncludeDirGroup, DirectoryLookup> > IncludePath; 43 typedef std::vector<std::pair<IncludeDirGroup, 44 DirectoryLookup> >::const_iterator path_iterator; 45 HeaderSearch &Headers; 46 bool Verbose; 47 std::string IncludeSysroot; 48 bool IsNotEmptyOrRoot; 49 50public: 51 52 InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot) 53 : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot), 54 IsNotEmptyOrRoot(!(sysroot.empty() || sysroot == "/")) { 55 } 56 57 /// AddPath - Add the specified path to the specified group list. 58 void AddPath(const Twine &Path, IncludeDirGroup Group, 59 bool isCXXAware, bool isUserSupplied, 60 bool isFramework, bool IgnoreSysRoot = false); 61 62 /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu 63 /// libstdc++. 64 void AddGnuCPlusPlusIncludePaths(StringRef Base, 65 StringRef ArchDir, 66 StringRef Dir32, 67 StringRef Dir64, 68 const llvm::Triple &triple); 69 70 /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW 71 /// libstdc++. 72 void AddMinGWCPlusPlusIncludePaths(StringRef Base, 73 StringRef Arch, 74 StringRef Version); 75 76 /// AddMinGW64CXXPaths - Add the necessary paths to support 77 /// libstdc++ of x86_64-w64-mingw32 aka mingw-w64. 78 void AddMinGW64CXXPaths(StringRef Base, 79 StringRef Version); 80 81 // AddDefaultCIncludePaths - Add paths that should always be searched. 82 void AddDefaultCIncludePaths(const llvm::Triple &triple, 83 const HeaderSearchOptions &HSOpts); 84 85 // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when 86 // compiling c++. 87 void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, 88 const HeaderSearchOptions &HSOpts); 89 90 /// AddDefaultSystemIncludePaths - Adds the default system include paths so 91 /// that e.g. stdio.h is found. 92 void AddDefaultIncludePaths(const LangOptions &Lang, 93 const llvm::Triple &triple, 94 const HeaderSearchOptions &HSOpts); 95 96 /// Realize - Merges all search path lists into one list and send it to 97 /// HeaderSearch. 98 void Realize(const LangOptions &Lang); 99}; 100 101} // end anonymous namespace. 102 103void InitHeaderSearch::AddPath(const Twine &Path, 104 IncludeDirGroup Group, bool isCXXAware, 105 bool isUserSupplied, bool isFramework, 106 bool IgnoreSysRoot) { 107 assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); 108 FileManager &FM = Headers.getFileMgr(); 109 110 // Compute the actual path, taking into consideration -isysroot. 111 llvm::SmallString<256> MappedPathStorage; 112 StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); 113 114 // Handle isysroot. 115 if ((Group == System || Group == CXXSystem) && !IgnoreSysRoot && 116#if defined(_WIN32) 117 !MappedPathStr.empty() && 118 llvm::sys::path::is_separator(MappedPathStr[0]) && 119#else 120 llvm::sys::path::is_absolute(MappedPathStr) && 121#endif 122 IsNotEmptyOrRoot) { 123 MappedPathStorage.clear(); 124 MappedPathStr = 125 (IncludeSysroot + Path).toStringRef(MappedPathStorage); 126 } 127 128 // Compute the DirectoryLookup type. 129 SrcMgr::CharacteristicKind Type; 130 if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) 131 Type = SrcMgr::C_User; 132 else if (isCXXAware) 133 Type = SrcMgr::C_System; 134 else 135 Type = SrcMgr::C_ExternCSystem; 136 137 138 // If the directory exists, add it. 139 if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) { 140 IncludePath.push_back(std::make_pair(Group, DirectoryLookup(DE, Type, 141 isUserSupplied, isFramework))); 142 return; 143 } 144 145 // Check to see if this is an apple-style headermap (which are not allowed to 146 // be frameworks). 147 if (!isFramework) { 148 if (const FileEntry *FE = FM.getFile(MappedPathStr)) { 149 if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { 150 // It is a headermap, add it to the search path. 151 IncludePath.push_back(std::make_pair(Group, DirectoryLookup(HM, Type, 152 isUserSupplied, Group == IndexHeaderMap))); 153 return; 154 } 155 } 156 } 157 158 if (Verbose) 159 llvm::errs() << "ignoring nonexistent directory \"" 160 << MappedPathStr << "\"\n"; 161} 162 163void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base, 164 StringRef ArchDir, 165 StringRef Dir32, 166 StringRef Dir64, 167 const llvm::Triple &triple) { 168 // Add the base dir 169 AddPath(Base, CXXSystem, true, false, false); 170 171 // Add the multilib dirs 172 llvm::Triple::ArchType arch = triple.getArch(); 173 bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; 174 if (is64bit) 175 AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, true, false, false); 176 else 177 AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, true, false, false); 178 179 // Add the backward dir 180 AddPath(Base + "/backward", CXXSystem, true, false, false); 181} 182 183void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base, 184 StringRef Arch, 185 StringRef Version) { 186 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", 187 CXXSystem, true, false, false); 188 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch, 189 CXXSystem, true, false, false); 190 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", 191 CXXSystem, true, false, false); 192} 193 194void InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base, 195 StringRef Version) { 196 // Assumes Base is HeaderSearchOpts' ResourceDir 197 AddPath(Base + "/../../../include/c++/" + Version, 198 CXXSystem, true, false, false); 199 AddPath(Base + "/../../../include/c++/" + Version + "/x86_64-w64-mingw32", 200 CXXSystem, true, false, false); 201 AddPath(Base + "/../../../include/c++/" + Version + "/i686-w64-mingw32", 202 CXXSystem, true, false, false); 203 AddPath(Base + "/../../../include/c++/" + Version + "/backward", 204 CXXSystem, true, false, false); 205} 206 207void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, 208 const HeaderSearchOptions &HSOpts) { 209 llvm::Triple::OSType os = triple.getOS(); 210 211 if (HSOpts.UseStandardSystemIncludes) { 212 switch (os) { 213 case llvm::Triple::FreeBSD: 214 case llvm::Triple::NetBSD: 215 break; 216 default: 217 // FIXME: temporary hack: hard-coded paths. 218 AddPath("/usr/local/include", System, true, false, false); 219 break; 220 } 221 } 222 223 // Builtin includes use #include_next directives and should be positioned 224 // just prior C include dirs. 225 if (HSOpts.UseBuiltinIncludes) { 226 // Ignore the sys root, we *always* look for clang headers relative to 227 // supplied path. 228 llvm::sys::Path P(HSOpts.ResourceDir); 229 P.appendComponent("include"); 230 AddPath(P.str(), System, false, false, false, /*IgnoreSysRoot=*/ true); 231 } 232 233 // All remaining additions are for system include directories, early exit if 234 // we aren't using them. 235 if (!HSOpts.UseStandardSystemIncludes) 236 return; 237 238 // Add dirs specified via 'configure --with-c-include-dirs'. 239 StringRef CIncludeDirs(C_INCLUDE_DIRS); 240 if (CIncludeDirs != "") { 241 SmallVector<StringRef, 5> dirs; 242 CIncludeDirs.split(dirs, ":"); 243 for (SmallVectorImpl<StringRef>::iterator i = dirs.begin(); 244 i != dirs.end(); 245 ++i) 246 AddPath(*i, System, false, false, false); 247 return; 248 } 249 250 switch (os) { 251 case llvm::Triple::Win32: 252 llvm_unreachable("Windows include management is handled in the driver."); 253 254 case llvm::Triple::Haiku: 255 AddPath("/boot/common/include", System, true, false, false); 256 AddPath("/boot/develop/headers/os", System, true, false, false); 257 AddPath("/boot/develop/headers/os/app", System, true, false, false); 258 AddPath("/boot/develop/headers/os/arch", System, true, false, false); 259 AddPath("/boot/develop/headers/os/device", System, true, false, false); 260 AddPath("/boot/develop/headers/os/drivers", System, true, false, false); 261 AddPath("/boot/develop/headers/os/game", System, true, false, false); 262 AddPath("/boot/develop/headers/os/interface", System, true, false, false); 263 AddPath("/boot/develop/headers/os/kernel", System, true, false, false); 264 AddPath("/boot/develop/headers/os/locale", System, true, false, false); 265 AddPath("/boot/develop/headers/os/mail", System, true, false, false); 266 AddPath("/boot/develop/headers/os/media", System, true, false, false); 267 AddPath("/boot/develop/headers/os/midi", System, true, false, false); 268 AddPath("/boot/develop/headers/os/midi2", System, true, false, false); 269 AddPath("/boot/develop/headers/os/net", System, true, false, false); 270 AddPath("/boot/develop/headers/os/storage", System, true, false, false); 271 AddPath("/boot/develop/headers/os/support", System, true, false, false); 272 AddPath("/boot/develop/headers/os/translation", 273 System, true, false, false); 274 AddPath("/boot/develop/headers/os/add-ons/graphics", 275 System, true, false, false); 276 AddPath("/boot/develop/headers/os/add-ons/input_server", 277 System, true, false, false); 278 AddPath("/boot/develop/headers/os/add-ons/screen_saver", 279 System, true, false, false); 280 AddPath("/boot/develop/headers/os/add-ons/tracker", 281 System, true, false, false); 282 AddPath("/boot/develop/headers/os/be_apps/Deskbar", 283 System, true, false, false); 284 AddPath("/boot/develop/headers/os/be_apps/NetPositive", 285 System, true, false, false); 286 AddPath("/boot/develop/headers/os/be_apps/Tracker", 287 System, true, false, false); 288 AddPath("/boot/develop/headers/cpp", System, true, false, false); 289 AddPath("/boot/develop/headers/cpp/i586-pc-haiku", 290 System, true, false, false); 291 AddPath("/boot/develop/headers/3rdparty", System, true, false, false); 292 AddPath("/boot/develop/headers/bsd", System, true, false, false); 293 AddPath("/boot/develop/headers/glibc", System, true, false, false); 294 AddPath("/boot/develop/headers/posix", System, true, false, false); 295 AddPath("/boot/develop/headers", System, true, false, false); 296 break; 297 case llvm::Triple::RTEMS: 298 break; 299 case llvm::Triple::Cygwin: 300 AddPath("/usr/include/w32api", System, true, false, false); 301 break; 302 case llvm::Triple::MinGW32: { 303 // mingw-w64 crt include paths 304 llvm::sys::Path P(HSOpts.ResourceDir); 305 P.appendComponent("../../../i686-w64-mingw32/include"); // <sysroot>/i686-w64-mingw32/include 306 AddPath(P.str(), System, true, false, false); 307 P = llvm::sys::Path(HSOpts.ResourceDir); 308 P.appendComponent("../../../x86_64-w64-mingw32/include"); // <sysroot>/x86_64-w64-mingw32/include 309 AddPath(P.str(), System, true, false, false); 310 // mingw.org crt include paths 311 P = llvm::sys::Path(HSOpts.ResourceDir); 312 P.appendComponent("../../../include"); // <sysroot>/include 313 AddPath(P.str(), System, true, false, false); 314 AddPath("/mingw/include", System, true, false, false); 315 AddPath("c:/mingw/include", System, true, false, false); 316 } 317 break; 318 319 case llvm::Triple::Linux: 320 // Generic Debian multiarch support: 321 if (triple.getArch() == llvm::Triple::x86_64) { 322 AddPath("/usr/include/x86_64-linux-gnu", System, false, false, false); 323 AddPath("/usr/include/i686-linux-gnu/64", System, false, false, false); 324 AddPath("/usr/include/i486-linux-gnu/64", System, false, false, false); 325 } else if (triple.getArch() == llvm::Triple::x86) { 326 AddPath("/usr/include/x86_64-linux-gnu/32", System, false, false, false); 327 AddPath("/usr/include/i686-linux-gnu", System, false, false, false); 328 AddPath("/usr/include/i486-linux-gnu", System, false, false, false); 329 AddPath("/usr/include/i386-linux-gnu", System, false, false, false); 330 } else if (triple.getArch() == llvm::Triple::arm) { 331 AddPath("/usr/include/arm-linux-gnueabi", System, false, false, false); 332 } 333 default: 334 break; 335 } 336 337 if ( os != llvm::Triple::RTEMS ) 338 AddPath("/usr/include", System, false, false, false); 339} 340 341void InitHeaderSearch:: 342AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { 343 llvm::Triple::OSType os = triple.getOS(); 344 StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT); 345 if (CxxIncludeRoot != "") { 346 StringRef CxxIncludeArch(CXX_INCLUDE_ARCH); 347 if (CxxIncludeArch == "") 348 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, triple.str().c_str(), 349 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 350 triple); 351 else 352 AddGnuCPlusPlusIncludePaths(CxxIncludeRoot, CXX_INCLUDE_ARCH, 353 CXX_INCLUDE_32BIT_DIR, CXX_INCLUDE_64BIT_DIR, 354 triple); 355 return; 356 } 357 // FIXME: temporary hack: hard-coded paths. 358 359 if (triple.isOSDarwin()) { 360 switch (triple.getArch()) { 361 default: break; 362 363 case llvm::Triple::ppc: 364 case llvm::Triple::ppc64: 365 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 366 "powerpc-apple-darwin10", "", "ppc64", 367 triple); 368 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 369 "powerpc-apple-darwin10", "", "ppc64", 370 triple); 371 break; 372 373 case llvm::Triple::x86: 374 case llvm::Triple::x86_64: 375 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 376 "i686-apple-darwin10", "", "x86_64", triple); 377 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 378 "i686-apple-darwin8", "", "", triple); 379 break; 380 381 case llvm::Triple::arm: 382 case llvm::Triple::thumb: 383 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 384 "arm-apple-darwin10", "v7", "", triple); 385 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 386 "arm-apple-darwin10", "v6", "", triple); 387 break; 388 } 389 return; 390 } 391 392 switch (os) { 393 case llvm::Triple::Cygwin: 394 // Cygwin-1.7 395 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4"); 396 // g++-4 / Cygwin-1.5 397 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2"); 398 // FIXME: Do we support g++-3.4.4? 399 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "3.4.4"); 400 break; 401 case llvm::Triple::MinGW32: 402 // mingw-w64 C++ include paths (i686-w64-mingw32 and x86_64-w64-mingw32) 403 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.0"); 404 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.1"); 405 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.2"); 406 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.3"); 407 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.0"); 408 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.1"); 409 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.2"); 410 AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0"); 411 // mingw.org C++ include paths 412 AddMinGWCPlusPlusIncludePaths("/mingw/lib/gcc", "mingw32", "4.5.2"); //MSYS 413 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.0"); 414 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); 415 AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); 416 break; 417 case llvm::Triple::DragonFly: 418 AddPath("/usr/include/c++/4.1", CXXSystem, true, false, false); 419 break; 420 case llvm::Triple::Linux: 421 //===------------------------------------------------------------------===// 422 // Debian based distros. 423 // Note: these distros symlink /usr/include/c++/X.Y.Z -> X.Y 424 //===------------------------------------------------------------------===// 425 426 // Ubuntu 11.11 "Oneiric Ocelot" -- gcc-4.6.0 427 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 428 "x86_64-linux-gnu", "32", "", triple); 429 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 430 "i686-linux-gnu", "", "64", triple); 431 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 432 "i486-linux-gnu", "", "64", triple); 433 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 434 "arm-linux-gnueabi", "", "", triple); 435 436 // Ubuntu 11.04 "Natty Narwhal" -- gcc-4.5.2 437 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 438 "x86_64-linux-gnu", "32", "", triple); 439 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 440 "i686-linux-gnu", "", "64", triple); 441 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 442 "i486-linux-gnu", "", "64", triple); 443 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 444 "arm-linux-gnueabi", "", "", triple); 445 446 // Ubuntu 10.10 "Maverick Meerkat" -- gcc-4.4.5 447 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 448 "i686-linux-gnu", "", "64", triple); 449 // The rest of 10.10 is the same as previous versions. 450 451 // Ubuntu 10.04 LTS "Lucid Lynx" -- gcc-4.4.3 452 // Ubuntu 9.10 "Karmic Koala" -- gcc-4.4.1 453 // Debian 6.0 "squeeze" -- gcc-4.4.2 454 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 455 "x86_64-linux-gnu", "32", "", triple); 456 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 457 "i486-linux-gnu", "", "64", triple); 458 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 459 "arm-linux-gnueabi", "", "", triple); 460 // Ubuntu 9.04 "Jaunty Jackalope" -- gcc-4.3.3 461 // Ubuntu 8.10 "Intrepid Ibex" -- gcc-4.3.2 462 // Debian 5.0 "lenny" -- gcc-4.3.2 463 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 464 "x86_64-linux-gnu", "32", "", triple); 465 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 466 "i486-linux-gnu", "", "64", triple); 467 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 468 "arm-linux-gnueabi", "", "", triple); 469 // Ubuntu 8.04.4 LTS "Hardy Heron" -- gcc-4.2.4 470 // Ubuntu 8.04.[0-3] LTS "Hardy Heron" -- gcc-4.2.3 471 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 472 "x86_64-linux-gnu", "32", "", triple); 473 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 474 "i486-linux-gnu", "", "64", triple); 475 // Ubuntu 7.10 "Gutsy Gibbon" -- gcc-4.1.3 476 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 477 "x86_64-linux-gnu", "32", "", triple); 478 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1", 479 "i486-linux-gnu", "", "64", triple); 480 481 //===------------------------------------------------------------------===// 482 // Redhat based distros. 483 //===------------------------------------------------------------------===// 484 // Fedora 15 (GCC 4.6.1) 485 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.1", 486 "x86_64-redhat-linux", "32", "", triple); 487 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.1", 488 "i686-redhat-linux", "", "", triple); 489 // Fedora 15 (GCC 4.6.0) 490 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0", 491 "x86_64-redhat-linux", "32", "", triple); 492 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0", 493 "i686-redhat-linux", "", "", triple); 494 // Fedora 14 495 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.1", 496 "x86_64-redhat-linux", "32", "", triple); 497 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.1", 498 "i686-redhat-linux", "", "", triple); 499 // RHEL5(gcc44) 500 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.4", 501 "x86_64-redhat-linux6E", "32", "", triple); 502 // Fedora 13 503 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.4", 504 "x86_64-redhat-linux", "32", "", triple); 505 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.4", 506 "i686-redhat-linux","", "", triple); 507 // Fedora 12 508 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 509 "x86_64-redhat-linux", "32", "", triple); 510 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 511 "i686-redhat-linux","", "", triple); 512 // Fedora 12 (pre-FEB-2010) 513 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 514 "x86_64-redhat-linux", "32", "", triple); 515 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.2", 516 "i686-redhat-linux","", "", triple); 517 // Fedora 11 518 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 519 "x86_64-redhat-linux", "32", "", triple); 520 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.1", 521 "i586-redhat-linux","", "", triple); 522 // Fedora 10 523 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 524 "x86_64-redhat-linux", "32", "", triple); 525 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.2", 526 "i386-redhat-linux","", "", triple); 527 // Fedora 9 528 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 529 "x86_64-redhat-linux", "32", "", triple); 530 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.0", 531 "i386-redhat-linux", "", "", triple); 532 // Fedora 8 533 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 534 "x86_64-redhat-linux", "", "", triple); 535 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.2", 536 "i386-redhat-linux", "", "", triple); 537 538 // RHEL 5 539 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.1", 540 "x86_64-redhat-linux", "32", "", triple); 541 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.1.1", 542 "i386-redhat-linux", "", "", triple); 543 544 545 //===------------------------------------------------------------------===// 546 547 // Exherbo (2010-01-25) 548 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 549 "x86_64-pc-linux-gnu", "32", "", triple); 550 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4.3", 551 "i686-pc-linux-gnu", "", "", triple); 552 553 // openSUSE 11.1 32 bit 554 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 555 "i586-suse-linux", "", "", triple); 556 // openSUSE 11.1 64 bit 557 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3", 558 "x86_64-suse-linux", "32", "", triple); 559 // openSUSE 11.2 560 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 561 "i586-suse-linux", "", "", triple); 562 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.4", 563 "x86_64-suse-linux", "", "", triple); 564 565 // openSUSE 11.4 566 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 567 "i586-suse-linux", "", "", triple); 568 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5", 569 "x86_64-suse-linux", "", "", triple); 570 571 // openSUSE 12.1 572 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 573 "i586-suse-linux", "", "", triple); 574 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6", 575 "x86_64-suse-linux", "", "", triple); 576 // Arch Linux 2008-06-24 577 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 578 "i686-pc-linux-gnu", "", "", triple); 579 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.3.1", 580 "x86_64-unknown-linux-gnu", "", "", triple); 581 582 // Arch Linux gcc 4.6 583 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.1", 584 "i686-pc-linux-gnu", "", "", triple); 585 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.1", 586 "x86_64-unknown-linux-gnu", "", "", triple); 587 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0", 588 "i686-pc-linux-gnu", "", "", triple); 589 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.6.0", 590 "x86_64-unknown-linux-gnu", "", "", triple); 591 592 // Slackware gcc 4.5.2 (13.37) 593 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.2", 594 "i486-slackware-linux", "", "", triple); 595 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.2", 596 "x86_64-slackware-linux", "", "", triple); 597 // Slackware gcc 4.5.3 (-current) 598 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.3", 599 "i486-slackware-linux", "", "", triple); 600 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.5.3", 601 "x86_64-slackware-linux", "", "", triple); 602 603 // Gentoo x86 gcc 4.5.3 604 AddGnuCPlusPlusIncludePaths( 605 "/usr/lib/gcc/i686-pc-linux-gnu/4.5.3/include/g++-v4", 606 "i686-pc-linux-gnu", "", "", triple); 607 // Gentoo x86 gcc 4.5.2 608 AddGnuCPlusPlusIncludePaths( 609 "/usr/lib/gcc/i686-pc-linux-gnu/4.5.2/include/g++-v4", 610 "i686-pc-linux-gnu", "", "", triple); 611 // Gentoo x86 gcc 4.4.5 612 AddGnuCPlusPlusIncludePaths( 613 "/usr/lib/gcc/i686-pc-linux-gnu/4.4.5/include/g++-v4", 614 "i686-pc-linux-gnu", "", "", triple); 615 // Gentoo x86 gcc 4.4.4 616 AddGnuCPlusPlusIncludePaths( 617 "/usr/lib/gcc/i686-pc-linux-gnu/4.4.4/include/g++-v4", 618 "i686-pc-linux-gnu", "", "", triple); 619 // Gentoo x86 2010.0 stable 620 AddGnuCPlusPlusIncludePaths( 621 "/usr/lib/gcc/i686-pc-linux-gnu/4.4.3/include/g++-v4", 622 "i686-pc-linux-gnu", "", "", triple); 623 // Gentoo x86 2009.1 stable 624 AddGnuCPlusPlusIncludePaths( 625 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.4/include/g++-v4", 626 "i686-pc-linux-gnu", "", "", triple); 627 // Gentoo x86 2009.0 stable 628 AddGnuCPlusPlusIncludePaths( 629 "/usr/lib/gcc/i686-pc-linux-gnu/4.3.2/include/g++-v4", 630 "i686-pc-linux-gnu", "", "", triple); 631 // Gentoo x86 2008.0 stable 632 AddGnuCPlusPlusIncludePaths( 633 "/usr/lib/gcc/i686-pc-linux-gnu/4.1.2/include/g++-v4", 634 "i686-pc-linux-gnu", "", "", triple); 635 // Gentoo x86 llvm-gcc trunk 636 AddGnuCPlusPlusIncludePaths( 637 "/usr/lib/llvm-gcc-4.2-9999/include/c++/4.2.1", 638 "i686-pc-linux-gnu", "", "", triple); 639 640 // Gentoo amd64 gcc 4.5.3 641 AddGnuCPlusPlusIncludePaths( 642 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.3/include/g++-v4", 643 "x86_64-pc-linux-gnu", "32", "", triple); 644 // Gentoo amd64 gcc 4.5.2 645 AddGnuCPlusPlusIncludePaths( 646 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.5.2/include/g++-v4", 647 "x86_64-pc-linux-gnu", "32", "", triple); 648 // Gentoo amd64 gcc 4.4.5 649 AddGnuCPlusPlusIncludePaths( 650 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.5/include/g++-v4", 651 "x86_64-pc-linux-gnu", "32", "", triple); 652 // Gentoo amd64 gcc 4.4.4 653 AddGnuCPlusPlusIncludePaths( 654 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.4/include/g++-v4", 655 "x86_64-pc-linux-gnu", "32", "", triple); 656 // Gentoo amd64 gcc 4.4.3 657 AddGnuCPlusPlusIncludePaths( 658 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.3/include/g++-v4", 659 "x86_64-pc-linux-gnu", "32", "", triple); 660 // Gentoo amd64 gcc 4.3.4 661 AddGnuCPlusPlusIncludePaths( 662 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.4/include/g++-v4", 663 "x86_64-pc-linux-gnu", "", "", triple); 664 // Gentoo amd64 gcc 4.3.2 665 AddGnuCPlusPlusIncludePaths( 666 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.3.2/include/g++-v4", 667 "x86_64-pc-linux-gnu", "", "", triple); 668 // Gentoo amd64 stable 669 AddGnuCPlusPlusIncludePaths( 670 "/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4", 671 "x86_64-pc-linux-gnu", "", "", triple); 672 673 // Gentoo amd64 llvm-gcc trunk 674 AddGnuCPlusPlusIncludePaths( 675 "/usr/lib/llvm-gcc-4.2-9999/include/c++/4.2.1", 676 "x86_64-pc-linux-gnu", "", "", triple); 677 678 break; 679 case llvm::Triple::FreeBSD: 680 // FreeBSD 8.0 681 // FreeBSD 7.3 682 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple); 683 break; 684 case llvm::Triple::NetBSD: 685 AddGnuCPlusPlusIncludePaths("/usr/include/g++", "", "", "", triple); 686 break; 687 case llvm::Triple::OpenBSD: { 688 std::string t = triple.getTriple(); 689 if (t.substr(0, 6) == "x86_64") 690 t.replace(0, 6, "amd64"); 691 AddGnuCPlusPlusIncludePaths("/usr/include/g++", 692 t, "", "", triple); 693 break; 694 } 695 case llvm::Triple::Minix: 696 AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3", 697 "", "", "", triple); 698 break; 699 case llvm::Triple::Solaris: 700 // Solaris - Fall though.. 701 case llvm::Triple::AuroraUX: 702 // AuroraUX 703 AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", 704 "i386-pc-solaris2.11", "", "", triple); 705 break; 706 default: 707 break; 708 } 709} 710 711void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang, 712 const llvm::Triple &triple, 713 const HeaderSearchOptions &HSOpts) { 714 // NB: This code path is going away. All of the logic is moving into the 715 // driver which has the information necessary to do target-specific 716 // selections of default include paths. Each target which moves there will be 717 // exempted from this logic here until we can delete the entire pile of code. 718 switch (triple.getOS()) { 719 default: 720 break; // Everything else continues to use this routine's logic. 721 722 case llvm::Triple::Win32: 723 return; 724 } 725 726 if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes && 727 HSOpts.UseStandardSystemIncludes) { 728 if (HSOpts.UseLibcxx) { 729 if (triple.isOSDarwin()) { 730 // On Darwin, libc++ may be installed alongside the compiler in 731 // lib/c++/v1. 732 llvm::sys::Path P(HSOpts.ResourceDir); 733 if (!P.isEmpty()) { 734 P.eraseComponent(); // Remove version from foo/lib/clang/version 735 P.eraseComponent(); // Remove clang from foo/lib/clang 736 737 // Get foo/lib/c++/v1 738 P.appendComponent("c++"); 739 P.appendComponent("v1"); 740 AddPath(P.str(), CXXSystem, true, false, false, true); 741 } 742 } 743 744 AddPath("/usr/include/c++/v1", CXXSystem, true, false, false); 745 } else { 746 AddDefaultCPlusPlusIncludePaths(triple, HSOpts); 747 } 748 } 749 750 AddDefaultCIncludePaths(triple, HSOpts); 751 752 // Add the default framework include paths on Darwin. 753 if (HSOpts.UseStandardSystemIncludes) { 754 if (triple.isOSDarwin()) { 755 AddPath("/System/Library/Frameworks", System, true, false, true); 756 AddPath("/Library/Frameworks", System, true, false, true); 757 } 758 } 759} 760 761/// RemoveDuplicates - If there are duplicate directory entries in the specified 762/// search list, remove the later (dead) ones. Returns the number of non-system 763/// headers removed, which is used to update NumAngled. 764static unsigned RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, 765 unsigned First, bool Verbose) { 766 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; 767 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; 768 llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; 769 unsigned NonSystemRemoved = 0; 770 for (unsigned i = First; i != SearchList.size(); ++i) { 771 unsigned DirToRemove = i; 772 773 const DirectoryLookup &CurEntry = SearchList[i]; 774 775 if (CurEntry.isNormalDir()) { 776 // If this isn't the first time we've seen this dir, remove it. 777 if (SeenDirs.insert(CurEntry.getDir())) 778 continue; 779 } else if (CurEntry.isFramework()) { 780 // If this isn't the first time we've seen this framework dir, remove it. 781 if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir())) 782 continue; 783 } else { 784 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 785 // If this isn't the first time we've seen this headermap, remove it. 786 if (SeenHeaderMaps.insert(CurEntry.getHeaderMap())) 787 continue; 788 } 789 790 // If we have a normal #include dir/framework/headermap that is shadowed 791 // later in the chain by a system include location, we actually want to 792 // ignore the user's request and drop the user dir... keeping the system 793 // dir. This is weird, but required to emulate GCC's search path correctly. 794 // 795 // Since dupes of system dirs are rare, just rescan to find the original 796 // that we're nuking instead of using a DenseMap. 797 if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { 798 // Find the dir that this is the same of. 799 unsigned FirstDir; 800 for (FirstDir = 0; ; ++FirstDir) { 801 assert(FirstDir != i && "Didn't find dupe?"); 802 803 const DirectoryLookup &SearchEntry = SearchList[FirstDir]; 804 805 // If these are different lookup types, then they can't be the dupe. 806 if (SearchEntry.getLookupType() != CurEntry.getLookupType()) 807 continue; 808 809 bool isSame; 810 if (CurEntry.isNormalDir()) 811 isSame = SearchEntry.getDir() == CurEntry.getDir(); 812 else if (CurEntry.isFramework()) 813 isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); 814 else { 815 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 816 isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); 817 } 818 819 if (isSame) 820 break; 821 } 822 823 // If the first dir in the search path is a non-system dir, zap it 824 // instead of the system one. 825 if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) 826 DirToRemove = FirstDir; 827 } 828 829 if (Verbose) { 830 llvm::errs() << "ignoring duplicate directory \"" 831 << CurEntry.getName() << "\"\n"; 832 if (DirToRemove != i) 833 llvm::errs() << " as it is a non-system directory that duplicates " 834 << "a system directory\n"; 835 } 836 if (DirToRemove != i) 837 ++NonSystemRemoved; 838 839 // This is reached if the current entry is a duplicate. Remove the 840 // DirToRemove (usually the current dir). 841 SearchList.erase(SearchList.begin()+DirToRemove); 842 --i; 843 } 844 return NonSystemRemoved; 845} 846 847 848void InitHeaderSearch::Realize(const LangOptions &Lang) { 849 // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. 850 std::vector<DirectoryLookup> SearchList; 851 SearchList.reserve(IncludePath.size()); 852 853 // Quoted arguments go first. 854 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 855 it != ie; ++it) { 856 if (it->first == Quoted) 857 SearchList.push_back(it->second); 858 } 859 // Deduplicate and remember index. 860 RemoveDuplicates(SearchList, 0, Verbose); 861 unsigned NumQuoted = SearchList.size(); 862 863 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 864 it != ie; ++it) { 865 if (it->first == Angled || it->first == IndexHeaderMap) 866 SearchList.push_back(it->second); 867 } 868 869 RemoveDuplicates(SearchList, NumQuoted, Verbose); 870 unsigned NumAngled = SearchList.size(); 871 872 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 873 it != ie; ++it) { 874 if (it->first == System || 875 (!Lang.ObjC1 && !Lang.CPlusPlus && it->first == CSystem) || 876 (/*FIXME !Lang.ObjC1 && */Lang.CPlusPlus && it->first == CXXSystem) || 877 (Lang.ObjC1 && !Lang.CPlusPlus && it->first == ObjCSystem) || 878 (Lang.ObjC1 && Lang.CPlusPlus && it->first == ObjCXXSystem)) 879 SearchList.push_back(it->second); 880 } 881 882 for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 883 it != ie; ++it) { 884 if (it->first == After) 885 SearchList.push_back(it->second); 886 } 887 888 // Remove duplicates across both the Angled and System directories. GCC does 889 // this and failing to remove duplicates across these two groups breaks 890 // #include_next. 891 unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose); 892 NumAngled -= NonSystemRemoved; 893 894 bool DontSearchCurDir = false; // TODO: set to true if -I- is set? 895 Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir); 896 897 // If verbose, print the list of directories that will be searched. 898 if (Verbose) { 899 llvm::errs() << "#include \"...\" search starts here:\n"; 900 for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { 901 if (i == NumQuoted) 902 llvm::errs() << "#include <...> search starts here:\n"; 903 const char *Name = SearchList[i].getName(); 904 const char *Suffix; 905 if (SearchList[i].isNormalDir()) 906 Suffix = ""; 907 else if (SearchList[i].isFramework()) 908 Suffix = " (framework directory)"; 909 else { 910 assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); 911 Suffix = " (headermap)"; 912 } 913 llvm::errs() << " " << Name << Suffix << "\n"; 914 } 915 llvm::errs() << "End of search list.\n"; 916 } 917} 918 919void clang::ApplyHeaderSearchOptions(HeaderSearch &HS, 920 const HeaderSearchOptions &HSOpts, 921 const LangOptions &Lang, 922 const llvm::Triple &Triple) { 923 InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); 924 925 // Add the user defined entries. 926 for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { 927 const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; 928 Init.AddPath(E.Path, E.Group, false, E.IsUserSupplied, E.IsFramework, 929 E.IgnoreSysRoot); 930 } 931 932 Init.AddDefaultIncludePaths(Lang, Triple, HSOpts); 933 934 Init.Realize(Lang); 935} 936