1212904Sdim//===--- InitHeaderSearch.cpp - Initialize header search paths ------------===// 2193326Sed// 3193326Sed// The LLVM Compiler Infrastructure 4193326Sed// 5193326Sed// This file is distributed under the University of Illinois Open Source 6193326Sed// License. See LICENSE.TXT for details. 7193326Sed// 8193326Sed//===----------------------------------------------------------------------===// 9193326Sed// 10193326Sed// This file implements the InitHeaderSearch class. 11193326Sed// 12193326Sed//===----------------------------------------------------------------------===// 13193326Sed 14199482Srdivacky#include "clang/Frontend/Utils.h" 15193326Sed#include "clang/Basic/FileManager.h" 16193326Sed#include "clang/Basic/LangOptions.h" 17208961Srdivacky#include "clang/Basic/Version.h" 18249423Sdim#include "clang/Config/config.h" // C_INCLUDE_DIRS 19249423Sdim#include "clang/Lex/HeaderSearch.h" 20243830Sdim#include "clang/Lex/HeaderSearchOptions.h" 21249423Sdim#include "llvm/ADT/SmallPtrSet.h" 22193326Sed#include "llvm/ADT/SmallString.h" 23199482Srdivacky#include "llvm/ADT/SmallVector.h" 24199482Srdivacky#include "llvm/ADT/StringExtras.h" 25199482Srdivacky#include "llvm/ADT/Triple.h" 26200583Srdivacky#include "llvm/ADT/Twine.h" 27228379Sdim#include "llvm/Support/ErrorHandling.h" 28251662Sdim#include "llvm/Support/FileSystem.h" 29218893Sdim#include "llvm/Support/Path.h" 30249423Sdim#include "llvm/Support/raw_ostream.h" 31234353Sdim 32193326Sedusing namespace clang; 33199482Srdivackyusing namespace clang::frontend; 34193326Sed 35199482Srdivackynamespace { 36199482Srdivacky 37199482Srdivacky/// InitHeaderSearch - This class makes it easier to set the search paths of 38199482Srdivacky/// a HeaderSearch object. InitHeaderSearch stores several search path lists 39199482Srdivacky/// internally, which can be sent to a HeaderSearch object in one swoop. 40199482Srdivackyclass InitHeaderSearch { 41219077Sdim std::vector<std::pair<IncludeDirGroup, DirectoryLookup> > IncludePath; 42219077Sdim typedef std::vector<std::pair<IncludeDirGroup, 43219077Sdim DirectoryLookup> >::const_iterator path_iterator; 44239462Sdim std::vector<std::pair<std::string, bool> > SystemHeaderPrefixes; 45224145Sdim HeaderSearch &Headers; 46199482Srdivacky bool Verbose; 47218893Sdim std::string IncludeSysroot; 48249423Sdim bool HasSysroot; 49199482Srdivacky 50199482Srdivackypublic: 51199482Srdivacky 52226633Sdim InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot) 53218893Sdim : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot), 54249423Sdim HasSysroot(!(sysroot.empty() || sysroot == "/")) { 55218893Sdim } 56199482Srdivacky 57249423Sdim /// AddPath - Add the specified path to the specified group list, prefixing 58249423Sdim /// the sysroot if used. 59249423Sdim void AddPath(const Twine &Path, IncludeDirGroup Group, bool isFramework); 60199482Srdivacky 61249423Sdim /// AddUnmappedPath - Add the specified path to the specified group list, 62249423Sdim /// without performing any sysroot remapping. 63249423Sdim void AddUnmappedPath(const Twine &Path, IncludeDirGroup Group, 64249423Sdim bool isFramework); 65249423Sdim 66239462Sdim /// AddSystemHeaderPrefix - Add the specified prefix to the system header 67239462Sdim /// prefix list. 68239462Sdim void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) { 69239462Sdim SystemHeaderPrefixes.push_back(std::make_pair(Prefix, IsSystemHeader)); 70239462Sdim } 71239462Sdim 72208600Srdivacky /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu 73199482Srdivacky /// libstdc++. 74226633Sdim void AddGnuCPlusPlusIncludePaths(StringRef Base, 75226633Sdim StringRef ArchDir, 76226633Sdim StringRef Dir32, 77226633Sdim StringRef Dir64, 78199482Srdivacky const llvm::Triple &triple); 79199482Srdivacky 80218893Sdim /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW 81199482Srdivacky /// libstdc++. 82226633Sdim void AddMinGWCPlusPlusIncludePaths(StringRef Base, 83226633Sdim StringRef Arch, 84226633Sdim StringRef Version); 85199482Srdivacky 86221345Sdim /// AddMinGW64CXXPaths - Add the necessary paths to support 87221345Sdim /// libstdc++ of x86_64-w64-mingw32 aka mingw-w64. 88226633Sdim void AddMinGW64CXXPaths(StringRef Base, 89226633Sdim StringRef Version); 90221345Sdim 91199482Srdivacky // AddDefaultCIncludePaths - Add paths that should always be searched. 92208600Srdivacky void AddDefaultCIncludePaths(const llvm::Triple &triple, 93208600Srdivacky const HeaderSearchOptions &HSOpts); 94199482Srdivacky 95199482Srdivacky // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when 96199482Srdivacky // compiling c++. 97224145Sdim void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, 98224145Sdim const HeaderSearchOptions &HSOpts); 99199482Srdivacky 100199482Srdivacky /// AddDefaultSystemIncludePaths - Adds the default system include paths so 101199482Srdivacky /// that e.g. stdio.h is found. 102226633Sdim void AddDefaultIncludePaths(const LangOptions &Lang, 103226633Sdim const llvm::Triple &triple, 104226633Sdim const HeaderSearchOptions &HSOpts); 105199482Srdivacky 106199482Srdivacky /// Realize - Merges all search path lists into one list and send it to 107199482Srdivacky /// HeaderSearch. 108219077Sdim void Realize(const LangOptions &Lang); 109199482Srdivacky}; 110199482Srdivacky 111224145Sdim} // end anonymous namespace. 112199482Srdivacky 113249423Sdimstatic bool CanPrefixSysroot(StringRef Path) { 114249423Sdim#if defined(_WIN32) 115249423Sdim return !Path.empty() && llvm::sys::path::is_separator(Path[0]); 116249423Sdim#else 117249423Sdim return llvm::sys::path::is_absolute(Path); 118249423Sdim#endif 119249423Sdim} 120249423Sdim 121249423Sdimvoid InitHeaderSearch::AddPath(const Twine &Path, IncludeDirGroup Group, 122249423Sdim bool isFramework) { 123249423Sdim // Add the path with sysroot prepended, if desired and this is a system header 124249423Sdim // group. 125249423Sdim if (HasSysroot) { 126249423Sdim SmallString<256> MappedPathStorage; 127249423Sdim StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); 128249423Sdim if (CanPrefixSysroot(MappedPathStr)) { 129249423Sdim AddUnmappedPath(IncludeSysroot + Path, Group, isFramework); 130249423Sdim return; 131249423Sdim } 132249423Sdim } 133249423Sdim 134249423Sdim AddUnmappedPath(Path, Group, isFramework); 135249423Sdim} 136249423Sdim 137249423Sdimvoid InitHeaderSearch::AddUnmappedPath(const Twine &Path, IncludeDirGroup Group, 138249423Sdim bool isFramework) { 139200583Srdivacky assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); 140249423Sdim 141193326Sed FileManager &FM = Headers.getFileMgr(); 142234353Sdim SmallString<256> MappedPathStorage; 143226633Sdim StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); 144198092Srdivacky 145193326Sed // Compute the DirectoryLookup type. 146193326Sed SrcMgr::CharacteristicKind Type; 147249423Sdim if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) { 148193326Sed Type = SrcMgr::C_User; 149249423Sdim } else if (Group == ExternCSystem) { 150249423Sdim Type = SrcMgr::C_ExternCSystem; 151249423Sdim } else { 152193326Sed Type = SrcMgr::C_System; 153249423Sdim } 154198092Srdivacky 155193326Sed // If the directory exists, add it. 156218893Sdim if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) { 157249423Sdim IncludePath.push_back( 158249423Sdim std::make_pair(Group, DirectoryLookup(DE, Type, isFramework))); 159193326Sed return; 160193326Sed } 161198092Srdivacky 162193326Sed // Check to see if this is an apple-style headermap (which are not allowed to 163193326Sed // be frameworks). 164193326Sed if (!isFramework) { 165218893Sdim if (const FileEntry *FE = FM.getFile(MappedPathStr)) { 166193326Sed if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { 167193326Sed // It is a headermap, add it to the search path. 168249423Sdim IncludePath.push_back( 169249423Sdim std::make_pair(Group, 170249423Sdim DirectoryLookup(HM, Type, Group == IndexHeaderMap))); 171193326Sed return; 172193326Sed } 173193326Sed } 174193326Sed } 175198092Srdivacky 176193326Sed if (Verbose) 177198092Srdivacky llvm::errs() << "ignoring nonexistent directory \"" 178218893Sdim << MappedPathStr << "\"\n"; 179193326Sed} 180193326Sed 181226633Sdimvoid InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base, 182226633Sdim StringRef ArchDir, 183226633Sdim StringRef Dir32, 184226633Sdim StringRef Dir64, 185198092Srdivacky const llvm::Triple &triple) { 186199990Srdivacky // Add the base dir 187249423Sdim AddPath(Base, CXXSystem, false); 188199482Srdivacky 189199482Srdivacky // Add the multilib dirs 190198092Srdivacky llvm::Triple::ArchType arch = triple.getArch(); 191198092Srdivacky bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; 192198092Srdivacky if (is64bit) 193249423Sdim AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, false); 194198092Srdivacky else 195249423Sdim AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, false); 196199990Srdivacky 197199990Srdivacky // Add the backward dir 198249423Sdim AddPath(Base + "/backward", CXXSystem, false); 199198092Srdivacky} 200193326Sed 201226633Sdimvoid InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base, 202226633Sdim StringRef Arch, 203226633Sdim StringRef Version) { 204202879Srdivacky AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", 205249423Sdim CXXSystem, false); 206212904Sdim AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch, 207249423Sdim CXXSystem, false); 208202879Srdivacky AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", 209249423Sdim CXXSystem, false); 210198092Srdivacky} 211198092Srdivacky 212226633Sdimvoid InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base, 213226633Sdim StringRef Version) { 214224145Sdim // Assumes Base is HeaderSearchOpts' ResourceDir 215224145Sdim AddPath(Base + "/../../../include/c++/" + Version, 216249423Sdim CXXSystem, false); 217224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/x86_64-w64-mingw32", 218249423Sdim CXXSystem, false); 219224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/i686-w64-mingw32", 220249423Sdim CXXSystem, false); 221224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/backward", 222249423Sdim CXXSystem, false); 223221345Sdim} 224221345Sdim 225208600Srdivackyvoid InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, 226208600Srdivacky const HeaderSearchOptions &HSOpts) { 227218893Sdim llvm::Triple::OSType os = triple.getOS(); 228208600Srdivacky 229226633Sdim if (HSOpts.UseStandardSystemIncludes) { 230226633Sdim switch (os) { 231226633Sdim case llvm::Triple::FreeBSD: 232226633Sdim case llvm::Triple::NetBSD: 233239462Sdim case llvm::Triple::OpenBSD: 234239462Sdim case llvm::Triple::Bitrig: 235226633Sdim break; 236226633Sdim default: 237226633Sdim // FIXME: temporary hack: hard-coded paths. 238249423Sdim AddPath("/usr/local/include", System, false); 239226633Sdim break; 240226633Sdim } 241218893Sdim } 242218893Sdim 243208600Srdivacky // Builtin includes use #include_next directives and should be positioned 244208600Srdivacky // just prior C include dirs. 245208600Srdivacky if (HSOpts.UseBuiltinIncludes) { 246208600Srdivacky // Ignore the sys root, we *always* look for clang headers relative to 247208600Srdivacky // supplied path. 248263508Sdim SmallString<128> P = StringRef(HSOpts.ResourceDir); 249263508Sdim llvm::sys::path::append(P, "include"); 250249423Sdim AddUnmappedPath(P.str(), ExternCSystem, false); 251208600Srdivacky } 252208600Srdivacky 253226633Sdim // All remaining additions are for system include directories, early exit if 254226633Sdim // we aren't using them. 255226633Sdim if (!HSOpts.UseStandardSystemIncludes) 256226633Sdim return; 257226633Sdim 258208600Srdivacky // Add dirs specified via 'configure --with-c-include-dirs'. 259226633Sdim StringRef CIncludeDirs(C_INCLUDE_DIRS); 260199482Srdivacky if (CIncludeDirs != "") { 261226633Sdim SmallVector<StringRef, 5> dirs; 262199482Srdivacky CIncludeDirs.split(dirs, ":"); 263226633Sdim for (SmallVectorImpl<StringRef>::iterator i = dirs.begin(); 264199482Srdivacky i != dirs.end(); 265218893Sdim ++i) 266249423Sdim AddPath(*i, ExternCSystem, false); 267199482Srdivacky return; 268199482Srdivacky } 269218893Sdim 270198092Srdivacky switch (os) { 271228379Sdim case llvm::Triple::Linux: 272228379Sdim case llvm::Triple::Win32: 273228379Sdim llvm_unreachable("Include management is handled in the driver."); 274228379Sdim 275207619Srdivacky case llvm::Triple::Haiku: 276249423Sdim AddPath("/boot/common/include", System, false); 277249423Sdim AddPath("/boot/develop/headers/os", System, false); 278249423Sdim AddPath("/boot/develop/headers/os/app", System, false); 279249423Sdim AddPath("/boot/develop/headers/os/arch", System, false); 280249423Sdim AddPath("/boot/develop/headers/os/device", System, false); 281249423Sdim AddPath("/boot/develop/headers/os/drivers", System, false); 282249423Sdim AddPath("/boot/develop/headers/os/game", System, false); 283249423Sdim AddPath("/boot/develop/headers/os/interface", System, false); 284249423Sdim AddPath("/boot/develop/headers/os/kernel", System, false); 285249423Sdim AddPath("/boot/develop/headers/os/locale", System, false); 286249423Sdim AddPath("/boot/develop/headers/os/mail", System, false); 287249423Sdim AddPath("/boot/develop/headers/os/media", System, false); 288249423Sdim AddPath("/boot/develop/headers/os/midi", System, false); 289249423Sdim AddPath("/boot/develop/headers/os/midi2", System, false); 290249423Sdim AddPath("/boot/develop/headers/os/net", System, false); 291249423Sdim AddPath("/boot/develop/headers/os/storage", System, false); 292249423Sdim AddPath("/boot/develop/headers/os/support", System, false); 293249423Sdim AddPath("/boot/develop/headers/os/translation", System, false); 294249423Sdim AddPath("/boot/develop/headers/os/add-ons/graphics", System, false); 295249423Sdim AddPath("/boot/develop/headers/os/add-ons/input_server", System, false); 296249423Sdim AddPath("/boot/develop/headers/os/add-ons/screen_saver", System, false); 297249423Sdim AddPath("/boot/develop/headers/os/add-ons/tracker", System, false); 298249423Sdim AddPath("/boot/develop/headers/os/be_apps/Deskbar", System, false); 299249423Sdim AddPath("/boot/develop/headers/os/be_apps/NetPositive", System, false); 300249423Sdim AddPath("/boot/develop/headers/os/be_apps/Tracker", System, false); 301249423Sdim AddPath("/boot/develop/headers/cpp", System, false); 302249423Sdim AddPath("/boot/develop/headers/cpp/i586-pc-haiku", System, false); 303249423Sdim AddPath("/boot/develop/headers/3rdparty", System, false); 304249423Sdim AddPath("/boot/develop/headers/bsd", System, false); 305249423Sdim AddPath("/boot/develop/headers/glibc", System, false); 306249423Sdim AddPath("/boot/develop/headers/posix", System, false); 307249423Sdim AddPath("/boot/develop/headers", System, false); 308212904Sdim break; 309224145Sdim case llvm::Triple::RTEMS: 310224145Sdim break; 311218893Sdim case llvm::Triple::Cygwin: 312249423Sdim AddPath("/usr/include/w32api", System, false); 313218893Sdim break; 314224145Sdim case llvm::Triple::MinGW32: { 315224145Sdim // mingw-w64 crt include paths 316263508Sdim // <sysroot>/i686-w64-mingw32/include 317263508Sdim SmallString<128> P = StringRef(HSOpts.ResourceDir); 318263508Sdim llvm::sys::path::append(P, "../../../i686-w64-mingw32/include"); 319249423Sdim AddPath(P.str(), System, false); 320263508Sdim 321263508Sdim // <sysroot>/x86_64-w64-mingw32/include 322263508Sdim P.resize(HSOpts.ResourceDir.size()); 323263508Sdim llvm::sys::path::append(P, "../../../x86_64-w64-mingw32/include"); 324249423Sdim AddPath(P.str(), System, false); 325263508Sdim 326224145Sdim // mingw.org crt include paths 327263508Sdim // <sysroot>/include 328263508Sdim P.resize(HSOpts.ResourceDir.size()); 329263508Sdim llvm::sys::path::append(P, "../../../include"); 330249423Sdim AddPath(P.str(), System, false); 331249423Sdim AddPath("/mingw/include", System, false); 332243830Sdim#if defined(_WIN32) 333249423Sdim AddPath("c:/mingw/include", System, false); 334243830Sdim#endif 335224145Sdim } 336198893Srdivacky break; 337211573Srpaulo case llvm::Triple::FreeBSD: 338249423Sdim AddPath("/usr/include/clang/" CLANG_VERSION_STRING, System, false); 339211573Srpaulo break; 340224145Sdim 341198893Srdivacky default: 342198893Srdivacky break; 343198893Srdivacky } 344198893Srdivacky 345224145Sdim if ( os != llvm::Triple::RTEMS ) 346249423Sdim AddPath("/usr/include", ExternCSystem, false); 347198893Srdivacky} 348198893Srdivacky 349208600Srdivackyvoid InitHeaderSearch:: 350224145SdimAddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { 351198893Srdivacky llvm::Triple::OSType os = triple.getOS(); 352198893Srdivacky // FIXME: temporary hack: hard-coded paths. 353221345Sdim 354221345Sdim if (triple.isOSDarwin()) { 355210299Sed switch (triple.getArch()) { 356210299Sed default: break; 357210299Sed 358218893Sdim case llvm::Triple::ppc: 359210299Sed case llvm::Triple::ppc64: 360210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 361218893Sdim "powerpc-apple-darwin10", "", "ppc64", 362210299Sed triple); 363210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 364218893Sdim "powerpc-apple-darwin10", "", "ppc64", 365210299Sed triple); 366210299Sed break; 367210299Sed 368210299Sed case llvm::Triple::x86: 369210299Sed case llvm::Triple::x86_64: 370210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 371210299Sed "i686-apple-darwin10", "", "x86_64", triple); 372210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 373210299Sed "i686-apple-darwin8", "", "", triple); 374210299Sed break; 375210299Sed 376210299Sed case llvm::Triple::arm: 377210299Sed case llvm::Triple::thumb: 378210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 379210299Sed "arm-apple-darwin10", "v7", "", triple); 380210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 381210299Sed "arm-apple-darwin10", "v6", "", triple); 382210299Sed break; 383210299Sed } 384221345Sdim return; 385221345Sdim } 386221345Sdim 387221345Sdim switch (os) { 388228379Sdim case llvm::Triple::Linux: 389228379Sdim case llvm::Triple::Win32: 390228379Sdim llvm_unreachable("Include management is handled in the driver."); 391228379Sdim 392221345Sdim case llvm::Triple::Cygwin: 393221345Sdim // Cygwin-1.7 394263508Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.7.3"); 395234353Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3"); 396221345Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4"); 397221345Sdim // g++-4 / Cygwin-1.5 398221345Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2"); 399198893Srdivacky break; 400221345Sdim case llvm::Triple::MinGW32: 401224145Sdim // mingw-w64 C++ include paths (i686-w64-mingw32 and x86_64-w64-mingw32) 402224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.0"); 403224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.1"); 404224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.2"); 405224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.3"); 406234353Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.4"); 407224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.0"); 408224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.1"); 409224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.2"); 410234353Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.3"); 411224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0"); 412224145Sdim // mingw.org C++ include paths 413224145Sdim AddMinGWCPlusPlusIncludePaths("/mingw/lib/gcc", "mingw32", "4.5.2"); //MSYS 414243830Sdim#if defined(_WIN32) 415263508Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.8.1"); 416234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.2"); 417234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.1"); 418234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.2"); 419221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.0"); 420221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); 421221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); 422243830Sdim#endif 423221345Sdim break; 424202379Srdivacky case llvm::Triple::DragonFly: 425251662Sdim if (llvm::sys::fs::exists("/usr/lib/gcc47")) 426251662Sdim AddPath("/usr/include/c++/4.7", CXXSystem, false); 427251662Sdim else 428251662Sdim AddPath("/usr/include/c++/4.4", CXXSystem, false); 429202379Srdivacky break; 430212904Sdim case llvm::Triple::OpenBSD: { 431212904Sdim std::string t = triple.getTriple(); 432212904Sdim if (t.substr(0, 6) == "x86_64") 433212904Sdim t.replace(0, 6, "amd64"); 434212904Sdim AddGnuCPlusPlusIncludePaths("/usr/include/g++", 435212904Sdim t, "", "", triple); 436212904Sdim break; 437212904Sdim } 438210299Sed case llvm::Triple::Minix: 439210299Sed AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3", 440210299Sed "", "", "", triple); 441210299Sed break; 442198893Srdivacky case llvm::Triple::Solaris: 443234353Sdim AddGnuCPlusPlusIncludePaths("/usr/gcc/4.5/include/c++/4.5.2/", 444234353Sdim "i386-pc-solaris2.11", "", "", triple); 445198893Srdivacky // Solaris - Fall though.. 446198893Srdivacky case llvm::Triple::AuroraUX: 447198893Srdivacky // AuroraUX 448198893Srdivacky AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", 449199482Srdivacky "i386-pc-solaris2.11", "", "", triple); 450198893Srdivacky break; 451198092Srdivacky default: 452198092Srdivacky break; 453193326Sed } 454198893Srdivacky} 455193326Sed 456226633Sdimvoid InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang, 457226633Sdim const llvm::Triple &triple, 458208600Srdivacky const HeaderSearchOptions &HSOpts) { 459228379Sdim // NB: This code path is going away. All of the logic is moving into the 460228379Sdim // driver which has the information necessary to do target-specific 461228379Sdim // selections of default include paths. Each target which moves there will be 462228379Sdim // exempted from this logic here until we can delete the entire pile of code. 463228379Sdim switch (triple.getOS()) { 464228379Sdim default: 465228379Sdim break; // Everything else continues to use this routine's logic. 466228379Sdim 467228379Sdim case llvm::Triple::Linux: 468228379Sdim case llvm::Triple::Win32: 469228379Sdim return; 470228379Sdim } 471228379Sdim 472226633Sdim if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes && 473226633Sdim HSOpts.UseStandardSystemIncludes) { 474226633Sdim if (HSOpts.UseLibcxx) { 475226633Sdim if (triple.isOSDarwin()) { 476226633Sdim // On Darwin, libc++ may be installed alongside the compiler in 477263508Sdim // include/c++/v1. 478263508Sdim if (!HSOpts.ResourceDir.empty()) { 479263508Sdim // Remove version from foo/lib/clang/version 480263508Sdim StringRef NoVer = llvm::sys::path::parent_path(HSOpts.ResourceDir); 481263508Sdim // Remove clang from foo/lib/clang 482263508Sdim StringRef Lib = llvm::sys::path::parent_path(NoVer); 483263508Sdim // Remove lib from foo/lib 484263508Sdim SmallString<128> P = llvm::sys::path::parent_path(Lib); 485263508Sdim 486263508Sdim // Get foo/include/c++/v1 487263508Sdim llvm::sys::path::append(P, "include", "c++", "v1"); 488249423Sdim AddUnmappedPath(P.str(), CXXSystem, false); 489226633Sdim } 490226633Sdim } 491234353Sdim // On Solaris, include the support directory for things like xlocale and 492234353Sdim // fudged system headers. 493234353Sdim if (triple.getOS() == llvm::Triple::Solaris) 494249423Sdim AddPath("/usr/include/c++/v1/support/solaris", CXXSystem, false); 495226633Sdim 496249423Sdim AddPath("/usr/include/c++/v1", CXXSystem, false); 497226633Sdim } else { 498224145Sdim AddDefaultCPlusPlusIncludePaths(triple, HSOpts); 499226633Sdim } 500224145Sdim } 501199990Srdivacky 502208600Srdivacky AddDefaultCIncludePaths(triple, HSOpts); 503199482Srdivacky 504199482Srdivacky // Add the default framework include paths on Darwin. 505226633Sdim if (HSOpts.UseStandardSystemIncludes) { 506226633Sdim if (triple.isOSDarwin()) { 507249423Sdim AddPath("/System/Library/Frameworks", System, true); 508249423Sdim AddPath("/Library/Frameworks", System, true); 509226633Sdim } 510199482Srdivacky } 511198893Srdivacky} 512198893Srdivacky 513193326Sed/// RemoveDuplicates - If there are duplicate directory entries in the specified 514226633Sdim/// search list, remove the later (dead) ones. Returns the number of non-system 515226633Sdim/// headers removed, which is used to update NumAngled. 516226633Sdimstatic unsigned RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, 517226633Sdim unsigned First, bool Verbose) { 518193326Sed llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; 519193326Sed llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; 520193326Sed llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; 521226633Sdim unsigned NonSystemRemoved = 0; 522219077Sdim for (unsigned i = First; i != SearchList.size(); ++i) { 523193326Sed unsigned DirToRemove = i; 524198092Srdivacky 525193326Sed const DirectoryLookup &CurEntry = SearchList[i]; 526198092Srdivacky 527193326Sed if (CurEntry.isNormalDir()) { 528193326Sed // If this isn't the first time we've seen this dir, remove it. 529193326Sed if (SeenDirs.insert(CurEntry.getDir())) 530193326Sed continue; 531193326Sed } else if (CurEntry.isFramework()) { 532193326Sed // If this isn't the first time we've seen this framework dir, remove it. 533193326Sed if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir())) 534193326Sed continue; 535193326Sed } else { 536193326Sed assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 537193326Sed // If this isn't the first time we've seen this headermap, remove it. 538193326Sed if (SeenHeaderMaps.insert(CurEntry.getHeaderMap())) 539193326Sed continue; 540193326Sed } 541198092Srdivacky 542193326Sed // If we have a normal #include dir/framework/headermap that is shadowed 543193326Sed // later in the chain by a system include location, we actually want to 544193326Sed // ignore the user's request and drop the user dir... keeping the system 545193326Sed // dir. This is weird, but required to emulate GCC's search path correctly. 546193326Sed // 547193326Sed // Since dupes of system dirs are rare, just rescan to find the original 548193326Sed // that we're nuking instead of using a DenseMap. 549193326Sed if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { 550193326Sed // Find the dir that this is the same of. 551193326Sed unsigned FirstDir; 552193326Sed for (FirstDir = 0; ; ++FirstDir) { 553193326Sed assert(FirstDir != i && "Didn't find dupe?"); 554198092Srdivacky 555193326Sed const DirectoryLookup &SearchEntry = SearchList[FirstDir]; 556193326Sed 557193326Sed // If these are different lookup types, then they can't be the dupe. 558193326Sed if (SearchEntry.getLookupType() != CurEntry.getLookupType()) 559193326Sed continue; 560198092Srdivacky 561193326Sed bool isSame; 562193326Sed if (CurEntry.isNormalDir()) 563193326Sed isSame = SearchEntry.getDir() == CurEntry.getDir(); 564193326Sed else if (CurEntry.isFramework()) 565193326Sed isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); 566193326Sed else { 567193326Sed assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 568193326Sed isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); 569193326Sed } 570198092Srdivacky 571193326Sed if (isSame) 572193326Sed break; 573193326Sed } 574198092Srdivacky 575193326Sed // If the first dir in the search path is a non-system dir, zap it 576193326Sed // instead of the system one. 577193326Sed if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) 578193326Sed DirToRemove = FirstDir; 579193326Sed } 580193326Sed 581193326Sed if (Verbose) { 582200583Srdivacky llvm::errs() << "ignoring duplicate directory \"" 583200583Srdivacky << CurEntry.getName() << "\"\n"; 584193326Sed if (DirToRemove != i) 585200583Srdivacky llvm::errs() << " as it is a non-system directory that duplicates " 586200583Srdivacky << "a system directory\n"; 587193326Sed } 588226633Sdim if (DirToRemove != i) 589226633Sdim ++NonSystemRemoved; 590198092Srdivacky 591193326Sed // This is reached if the current entry is a duplicate. Remove the 592193326Sed // DirToRemove (usually the current dir). 593193326Sed SearchList.erase(SearchList.begin()+DirToRemove); 594193326Sed --i; 595193326Sed } 596226633Sdim return NonSystemRemoved; 597193326Sed} 598193326Sed 599193326Sed 600219077Sdimvoid InitHeaderSearch::Realize(const LangOptions &Lang) { 601193326Sed // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. 602193326Sed std::vector<DirectoryLookup> SearchList; 603219077Sdim SearchList.reserve(IncludePath.size()); 604198092Srdivacky 605224145Sdim // Quoted arguments go first. 606219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 607219077Sdim it != ie; ++it) { 608219077Sdim if (it->first == Quoted) 609219077Sdim SearchList.push_back(it->second); 610219077Sdim } 611224145Sdim // Deduplicate and remember index. 612219077Sdim RemoveDuplicates(SearchList, 0, Verbose); 613224145Sdim unsigned NumQuoted = SearchList.size(); 614193326Sed 615219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 616219077Sdim it != ie; ++it) { 617226633Sdim if (it->first == Angled || it->first == IndexHeaderMap) 618219077Sdim SearchList.push_back(it->second); 619219077Sdim } 620198092Srdivacky 621224145Sdim RemoveDuplicates(SearchList, NumQuoted, Verbose); 622224145Sdim unsigned NumAngled = SearchList.size(); 623224145Sdim 624219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 625219077Sdim it != ie; ++it) { 626249423Sdim if (it->first == System || it->first == ExternCSystem || 627226633Sdim (!Lang.ObjC1 && !Lang.CPlusPlus && it->first == CSystem) || 628226633Sdim (/*FIXME !Lang.ObjC1 && */Lang.CPlusPlus && it->first == CXXSystem) || 629226633Sdim (Lang.ObjC1 && !Lang.CPlusPlus && it->first == ObjCSystem) || 630226633Sdim (Lang.ObjC1 && Lang.CPlusPlus && it->first == ObjCXXSystem)) 631219077Sdim SearchList.push_back(it->second); 632219077Sdim } 633219077Sdim 634219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 635219077Sdim it != ie; ++it) { 636219077Sdim if (it->first == After) 637219077Sdim SearchList.push_back(it->second); 638219077Sdim } 639219077Sdim 640224145Sdim // Remove duplicates across both the Angled and System directories. GCC does 641224145Sdim // this and failing to remove duplicates across these two groups breaks 642224145Sdim // #include_next. 643226633Sdim unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose); 644226633Sdim NumAngled -= NonSystemRemoved; 645219077Sdim 646193326Sed bool DontSearchCurDir = false; // TODO: set to true if -I- is set? 647224145Sdim Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir); 648193326Sed 649239462Sdim Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes); 650239462Sdim 651193326Sed // If verbose, print the list of directories that will be searched. 652193326Sed if (Verbose) { 653200583Srdivacky llvm::errs() << "#include \"...\" search starts here:\n"; 654193326Sed for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { 655224145Sdim if (i == NumQuoted) 656200583Srdivacky llvm::errs() << "#include <...> search starts here:\n"; 657193326Sed const char *Name = SearchList[i].getName(); 658193326Sed const char *Suffix; 659193326Sed if (SearchList[i].isNormalDir()) 660193326Sed Suffix = ""; 661193326Sed else if (SearchList[i].isFramework()) 662193326Sed Suffix = " (framework directory)"; 663193326Sed else { 664193326Sed assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); 665193326Sed Suffix = " (headermap)"; 666193326Sed } 667200583Srdivacky llvm::errs() << " " << Name << Suffix << "\n"; 668193326Sed } 669200583Srdivacky llvm::errs() << "End of search list.\n"; 670193326Sed } 671193326Sed} 672199482Srdivacky 673199482Srdivackyvoid clang::ApplyHeaderSearchOptions(HeaderSearch &HS, 674199482Srdivacky const HeaderSearchOptions &HSOpts, 675199482Srdivacky const LangOptions &Lang, 676199482Srdivacky const llvm::Triple &Triple) { 677199482Srdivacky InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); 678199482Srdivacky 679199482Srdivacky // Add the user defined entries. 680199482Srdivacky for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { 681199482Srdivacky const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; 682249423Sdim if (E.IgnoreSysRoot) { 683249423Sdim Init.AddUnmappedPath(E.Path, E.Group, E.IsFramework); 684249423Sdim } else { 685249423Sdim Init.AddPath(E.Path, E.Group, E.IsFramework); 686249423Sdim } 687199482Srdivacky } 688199482Srdivacky 689226633Sdim Init.AddDefaultIncludePaths(Lang, Triple, HSOpts); 690199482Srdivacky 691239462Sdim for (unsigned i = 0, e = HSOpts.SystemHeaderPrefixes.size(); i != e; ++i) 692239462Sdim Init.AddSystemHeaderPrefix(HSOpts.SystemHeaderPrefixes[i].Prefix, 693239462Sdim HSOpts.SystemHeaderPrefixes[i].IsSystemHeader); 694239462Sdim 695234353Sdim if (HSOpts.UseBuiltinIncludes) { 696234353Sdim // Set up the builtin include directory in the module map. 697263508Sdim SmallString<128> P = StringRef(HSOpts.ResourceDir); 698263508Sdim llvm::sys::path::append(P, "include"); 699234353Sdim if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P.str())) 700234353Sdim HS.getModuleMap().setBuiltinIncludeDir(Dir); 701234353Sdim } 702234353Sdim 703219077Sdim Init.Realize(Lang); 704199482Srdivacky} 705