InitHeaderSearch.cpp revision 239462
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" 18199482Srdivacky#include "clang/Frontend/HeaderSearchOptions.h" 19199482Srdivacky#include "clang/Lex/HeaderSearch.h" 20193326Sed#include "llvm/ADT/SmallString.h" 21193326Sed#include "llvm/ADT/SmallPtrSet.h" 22199482Srdivacky#include "llvm/ADT/SmallVector.h" 23199482Srdivacky#include "llvm/ADT/StringExtras.h" 24199482Srdivacky#include "llvm/ADT/Triple.h" 25200583Srdivacky#include "llvm/ADT/Twine.h" 26198092Srdivacky#include "llvm/Support/raw_ostream.h" 27228379Sdim#include "llvm/Support/ErrorHandling.h" 28218893Sdim#include "llvm/Support/Path.h" 29234353Sdim 30234353Sdim#include "clang/Config/config.h" // C_INCLUDE_DIRS 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; 48218893Sdim bool IsNotEmptyOrRoot; 49199482Srdivacky 50199482Srdivackypublic: 51199482Srdivacky 52226633Sdim InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot) 53218893Sdim : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot), 54218893Sdim IsNotEmptyOrRoot(!(sysroot.empty() || sysroot == "/")) { 55218893Sdim } 56199482Srdivacky 57199482Srdivacky /// AddPath - Add the specified path to the specified group list. 58226633Sdim void AddPath(const Twine &Path, IncludeDirGroup Group, 59199482Srdivacky bool isCXXAware, bool isUserSupplied, 60199482Srdivacky bool isFramework, bool IgnoreSysRoot = false); 61199482Srdivacky 62239462Sdim /// AddSystemHeaderPrefix - Add the specified prefix to the system header 63239462Sdim /// prefix list. 64239462Sdim void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) { 65239462Sdim SystemHeaderPrefixes.push_back(std::make_pair(Prefix, IsSystemHeader)); 66239462Sdim } 67239462Sdim 68208600Srdivacky /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu 69199482Srdivacky /// libstdc++. 70226633Sdim void AddGnuCPlusPlusIncludePaths(StringRef Base, 71226633Sdim StringRef ArchDir, 72226633Sdim StringRef Dir32, 73226633Sdim StringRef Dir64, 74199482Srdivacky const llvm::Triple &triple); 75199482Srdivacky 76218893Sdim /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW 77199482Srdivacky /// libstdc++. 78226633Sdim void AddMinGWCPlusPlusIncludePaths(StringRef Base, 79226633Sdim StringRef Arch, 80226633Sdim StringRef Version); 81199482Srdivacky 82221345Sdim /// AddMinGW64CXXPaths - Add the necessary paths to support 83221345Sdim /// libstdc++ of x86_64-w64-mingw32 aka mingw-w64. 84226633Sdim void AddMinGW64CXXPaths(StringRef Base, 85226633Sdim StringRef Version); 86221345Sdim 87199482Srdivacky // AddDefaultCIncludePaths - Add paths that should always be searched. 88208600Srdivacky void AddDefaultCIncludePaths(const llvm::Triple &triple, 89208600Srdivacky const HeaderSearchOptions &HSOpts); 90199482Srdivacky 91199482Srdivacky // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when 92199482Srdivacky // compiling c++. 93224145Sdim void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, 94224145Sdim const HeaderSearchOptions &HSOpts); 95199482Srdivacky 96199482Srdivacky /// AddDefaultSystemIncludePaths - Adds the default system include paths so 97199482Srdivacky /// that e.g. stdio.h is found. 98226633Sdim void AddDefaultIncludePaths(const LangOptions &Lang, 99226633Sdim const llvm::Triple &triple, 100226633Sdim const HeaderSearchOptions &HSOpts); 101199482Srdivacky 102199482Srdivacky /// Realize - Merges all search path lists into one list and send it to 103199482Srdivacky /// HeaderSearch. 104219077Sdim void Realize(const LangOptions &Lang); 105199482Srdivacky}; 106199482Srdivacky 107224145Sdim} // end anonymous namespace. 108199482Srdivacky 109226633Sdimvoid InitHeaderSearch::AddPath(const Twine &Path, 110198092Srdivacky IncludeDirGroup Group, bool isCXXAware, 111198092Srdivacky bool isUserSupplied, bool isFramework, 112198092Srdivacky bool IgnoreSysRoot) { 113200583Srdivacky assert(!Path.isTriviallyEmpty() && "can't handle empty path here"); 114193326Sed FileManager &FM = Headers.getFileMgr(); 115198092Srdivacky 116193326Sed // Compute the actual path, taking into consideration -isysroot. 117234353Sdim SmallString<256> MappedPathStorage; 118226633Sdim StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); 119198092Srdivacky 120193326Sed // Handle isysroot. 121221345Sdim if ((Group == System || Group == CXXSystem) && !IgnoreSysRoot && 122221345Sdim#if defined(_WIN32) 123221345Sdim !MappedPathStr.empty() && 124221345Sdim llvm::sys::path::is_separator(MappedPathStr[0]) && 125221345Sdim#else 126218893Sdim llvm::sys::path::is_absolute(MappedPathStr) && 127221345Sdim#endif 128218893Sdim IsNotEmptyOrRoot) { 129218893Sdim MappedPathStorage.clear(); 130218893Sdim MappedPathStr = 131218893Sdim (IncludeSysroot + Path).toStringRef(MappedPathStorage); 132193326Sed } 133198092Srdivacky 134193326Sed // Compute the DirectoryLookup type. 135193326Sed SrcMgr::CharacteristicKind Type; 136226633Sdim if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) 137193326Sed Type = SrcMgr::C_User; 138193326Sed else if (isCXXAware) 139193326Sed Type = SrcMgr::C_System; 140193326Sed else 141193326Sed Type = SrcMgr::C_ExternCSystem; 142198092Srdivacky 143198092Srdivacky 144193326Sed // If the directory exists, add it. 145218893Sdim if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) { 146219077Sdim IncludePath.push_back(std::make_pair(Group, DirectoryLookup(DE, Type, 147219077Sdim isUserSupplied, isFramework))); 148193326Sed return; 149193326Sed } 150198092Srdivacky 151193326Sed // Check to see if this is an apple-style headermap (which are not allowed to 152193326Sed // be frameworks). 153193326Sed if (!isFramework) { 154218893Sdim if (const FileEntry *FE = FM.getFile(MappedPathStr)) { 155193326Sed if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) { 156193326Sed // It is a headermap, add it to the search path. 157219077Sdim IncludePath.push_back(std::make_pair(Group, DirectoryLookup(HM, Type, 158226633Sdim isUserSupplied, Group == IndexHeaderMap))); 159193326Sed return; 160193326Sed } 161193326Sed } 162193326Sed } 163198092Srdivacky 164193326Sed if (Verbose) 165198092Srdivacky llvm::errs() << "ignoring nonexistent directory \"" 166218893Sdim << MappedPathStr << "\"\n"; 167193326Sed} 168193326Sed 169226633Sdimvoid InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base, 170226633Sdim StringRef ArchDir, 171226633Sdim StringRef Dir32, 172226633Sdim StringRef Dir64, 173198092Srdivacky const llvm::Triple &triple) { 174199990Srdivacky // Add the base dir 175219077Sdim AddPath(Base, CXXSystem, true, false, false); 176199482Srdivacky 177199482Srdivacky // Add the multilib dirs 178198092Srdivacky llvm::Triple::ArchType arch = triple.getArch(); 179198092Srdivacky bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64; 180198092Srdivacky if (is64bit) 181219077Sdim AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, true, false, false); 182198092Srdivacky else 183219077Sdim AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, true, false, false); 184199990Srdivacky 185199990Srdivacky // Add the backward dir 186219077Sdim AddPath(Base + "/backward", CXXSystem, true, false, false); 187198092Srdivacky} 188193326Sed 189226633Sdimvoid InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base, 190226633Sdim StringRef Arch, 191226633Sdim StringRef Version) { 192202879Srdivacky AddPath(Base + "/" + Arch + "/" + Version + "/include/c++", 193219077Sdim CXXSystem, true, false, false); 194212904Sdim AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch, 195219077Sdim CXXSystem, true, false, false); 196202879Srdivacky AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward", 197219077Sdim CXXSystem, true, false, false); 198198092Srdivacky} 199198092Srdivacky 200226633Sdimvoid InitHeaderSearch::AddMinGW64CXXPaths(StringRef Base, 201226633Sdim StringRef Version) { 202224145Sdim // Assumes Base is HeaderSearchOpts' ResourceDir 203224145Sdim AddPath(Base + "/../../../include/c++/" + Version, 204221345Sdim CXXSystem, true, false, false); 205224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/x86_64-w64-mingw32", 206221345Sdim CXXSystem, true, false, false); 207224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/i686-w64-mingw32", 208221345Sdim CXXSystem, true, false, false); 209224145Sdim AddPath(Base + "/../../../include/c++/" + Version + "/backward", 210224145Sdim CXXSystem, true, false, false); 211221345Sdim} 212221345Sdim 213208600Srdivackyvoid InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple, 214208600Srdivacky const HeaderSearchOptions &HSOpts) { 215218893Sdim llvm::Triple::OSType os = triple.getOS(); 216208600Srdivacky 217226633Sdim if (HSOpts.UseStandardSystemIncludes) { 218226633Sdim switch (os) { 219226633Sdim case llvm::Triple::FreeBSD: 220226633Sdim case llvm::Triple::NetBSD: 221239462Sdim case llvm::Triple::OpenBSD: 222239462Sdim case llvm::Triple::Bitrig: 223226633Sdim break; 224226633Sdim default: 225226633Sdim // FIXME: temporary hack: hard-coded paths. 226226633Sdim AddPath("/usr/local/include", System, true, false, false); 227226633Sdim break; 228226633Sdim } 229218893Sdim } 230218893Sdim 231208600Srdivacky // Builtin includes use #include_next directives and should be positioned 232208600Srdivacky // just prior C include dirs. 233208600Srdivacky if (HSOpts.UseBuiltinIncludes) { 234208600Srdivacky // Ignore the sys root, we *always* look for clang headers relative to 235208600Srdivacky // supplied path. 236208600Srdivacky llvm::sys::Path P(HSOpts.ResourceDir); 237208600Srdivacky P.appendComponent("include"); 238208600Srdivacky AddPath(P.str(), System, false, false, false, /*IgnoreSysRoot=*/ true); 239208600Srdivacky } 240208600Srdivacky 241226633Sdim // All remaining additions are for system include directories, early exit if 242226633Sdim // we aren't using them. 243226633Sdim if (!HSOpts.UseStandardSystemIncludes) 244226633Sdim return; 245226633Sdim 246208600Srdivacky // Add dirs specified via 'configure --with-c-include-dirs'. 247226633Sdim StringRef CIncludeDirs(C_INCLUDE_DIRS); 248199482Srdivacky if (CIncludeDirs != "") { 249226633Sdim SmallVector<StringRef, 5> dirs; 250199482Srdivacky CIncludeDirs.split(dirs, ":"); 251226633Sdim for (SmallVectorImpl<StringRef>::iterator i = dirs.begin(); 252199482Srdivacky i != dirs.end(); 253218893Sdim ++i) 254199482Srdivacky AddPath(*i, System, false, false, false); 255199482Srdivacky return; 256199482Srdivacky } 257218893Sdim 258198092Srdivacky switch (os) { 259228379Sdim case llvm::Triple::Linux: 260228379Sdim case llvm::Triple::Win32: 261228379Sdim llvm_unreachable("Include management is handled in the driver."); 262228379Sdim 263207619Srdivacky case llvm::Triple::Haiku: 264207619Srdivacky AddPath("/boot/common/include", System, true, false, false); 265207619Srdivacky AddPath("/boot/develop/headers/os", System, true, false, false); 266207619Srdivacky AddPath("/boot/develop/headers/os/app", System, true, false, false); 267207619Srdivacky AddPath("/boot/develop/headers/os/arch", System, true, false, false); 268207619Srdivacky AddPath("/boot/develop/headers/os/device", System, true, false, false); 269207619Srdivacky AddPath("/boot/develop/headers/os/drivers", System, true, false, false); 270218893Sdim AddPath("/boot/develop/headers/os/game", System, true, false, false); 271207619Srdivacky AddPath("/boot/develop/headers/os/interface", System, true, false, false); 272207619Srdivacky AddPath("/boot/develop/headers/os/kernel", System, true, false, false); 273207619Srdivacky AddPath("/boot/develop/headers/os/locale", System, true, false, false); 274207619Srdivacky AddPath("/boot/develop/headers/os/mail", System, true, false, false); 275207619Srdivacky AddPath("/boot/develop/headers/os/media", System, true, false, false); 276207619Srdivacky AddPath("/boot/develop/headers/os/midi", System, true, false, false); 277207619Srdivacky AddPath("/boot/develop/headers/os/midi2", System, true, false, false); 278207619Srdivacky AddPath("/boot/develop/headers/os/net", System, true, false, false); 279207619Srdivacky AddPath("/boot/develop/headers/os/storage", System, true, false, false); 280207619Srdivacky AddPath("/boot/develop/headers/os/support", System, true, false, false); 281207619Srdivacky AddPath("/boot/develop/headers/os/translation", 282207619Srdivacky System, true, false, false); 283218893Sdim AddPath("/boot/develop/headers/os/add-ons/graphics", 284207619Srdivacky System, true, false, false); 285218893Sdim AddPath("/boot/develop/headers/os/add-ons/input_server", 286207619Srdivacky System, true, false, false); 287218893Sdim AddPath("/boot/develop/headers/os/add-ons/screen_saver", 288207619Srdivacky System, true, false, false); 289218893Sdim AddPath("/boot/develop/headers/os/add-ons/tracker", 290207619Srdivacky System, true, false, false); 291207619Srdivacky AddPath("/boot/develop/headers/os/be_apps/Deskbar", 292207619Srdivacky System, true, false, false); 293207619Srdivacky AddPath("/boot/develop/headers/os/be_apps/NetPositive", 294207619Srdivacky System, true, false, false); 295207619Srdivacky AddPath("/boot/develop/headers/os/be_apps/Tracker", 296207619Srdivacky System, true, false, false); 297207619Srdivacky AddPath("/boot/develop/headers/cpp", System, true, false, false); 298218893Sdim AddPath("/boot/develop/headers/cpp/i586-pc-haiku", 299207619Srdivacky System, true, false, false); 300207619Srdivacky AddPath("/boot/develop/headers/3rdparty", System, true, false, false); 301207619Srdivacky AddPath("/boot/develop/headers/bsd", System, true, false, false); 302207619Srdivacky AddPath("/boot/develop/headers/glibc", System, true, false, false); 303207619Srdivacky AddPath("/boot/develop/headers/posix", System, true, false, false); 304207619Srdivacky AddPath("/boot/develop/headers", System, true, false, false); 305212904Sdim break; 306224145Sdim case llvm::Triple::RTEMS: 307224145Sdim break; 308218893Sdim case llvm::Triple::Cygwin: 309218893Sdim AddPath("/usr/include/w32api", System, true, false, false); 310218893Sdim break; 311224145Sdim case llvm::Triple::MinGW32: { 312224145Sdim // mingw-w64 crt include paths 313224145Sdim llvm::sys::Path P(HSOpts.ResourceDir); 314224145Sdim P.appendComponent("../../../i686-w64-mingw32/include"); // <sysroot>/i686-w64-mingw32/include 315224145Sdim AddPath(P.str(), System, true, false, false); 316224145Sdim P = llvm::sys::Path(HSOpts.ResourceDir); 317224145Sdim P.appendComponent("../../../x86_64-w64-mingw32/include"); // <sysroot>/x86_64-w64-mingw32/include 318224145Sdim AddPath(P.str(), System, true, false, false); 319224145Sdim // mingw.org crt include paths 320224145Sdim P = llvm::sys::Path(HSOpts.ResourceDir); 321224145Sdim P.appendComponent("../../../include"); // <sysroot>/include 322224145Sdim AddPath(P.str(), System, true, false, false); 323224145Sdim AddPath("/mingw/include", System, true, false, false); 324224145Sdim AddPath("c:/mingw/include", System, true, false, false); 325224145Sdim } 326198893Srdivacky break; 327211573Srpaulo case llvm::Triple::FreeBSD: 328234982Sdim AddPath("/usr/include/clang/" CLANG_VERSION_STRING, 329211573Srpaulo System, false, false, false); 330211573Srpaulo break; 331224145Sdim 332198893Srdivacky default: 333198893Srdivacky break; 334198893Srdivacky } 335198893Srdivacky 336224145Sdim if ( os != llvm::Triple::RTEMS ) 337234982Sdim AddPath("/usr/include", System, false, false, false); 338198893Srdivacky} 339198893Srdivacky 340208600Srdivackyvoid InitHeaderSearch:: 341224145SdimAddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) { 342198893Srdivacky llvm::Triple::OSType os = triple.getOS(); 343198893Srdivacky // FIXME: temporary hack: hard-coded paths. 344221345Sdim 345221345Sdim if (triple.isOSDarwin()) { 346210299Sed switch (triple.getArch()) { 347210299Sed default: break; 348210299Sed 349218893Sdim case llvm::Triple::ppc: 350210299Sed case llvm::Triple::ppc64: 351210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 352218893Sdim "powerpc-apple-darwin10", "", "ppc64", 353210299Sed triple); 354210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 355218893Sdim "powerpc-apple-darwin10", "", "ppc64", 356210299Sed triple); 357210299Sed break; 358210299Sed 359210299Sed case llvm::Triple::x86: 360210299Sed case llvm::Triple::x86_64: 361210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 362210299Sed "i686-apple-darwin10", "", "x86_64", triple); 363210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0", 364210299Sed "i686-apple-darwin8", "", "", triple); 365210299Sed break; 366210299Sed 367210299Sed case llvm::Triple::arm: 368210299Sed case llvm::Triple::thumb: 369210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 370210299Sed "arm-apple-darwin10", "v7", "", triple); 371210299Sed AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1", 372210299Sed "arm-apple-darwin10", "v6", "", triple); 373210299Sed break; 374210299Sed } 375221345Sdim return; 376221345Sdim } 377221345Sdim 378221345Sdim switch (os) { 379228379Sdim case llvm::Triple::Linux: 380228379Sdim case llvm::Triple::Win32: 381228379Sdim llvm_unreachable("Include management is handled in the driver."); 382228379Sdim 383221345Sdim case llvm::Triple::Cygwin: 384221345Sdim // Cygwin-1.7 385234353Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3"); 386221345Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4"); 387221345Sdim // g++-4 / Cygwin-1.5 388221345Sdim AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2"); 389198893Srdivacky break; 390221345Sdim case llvm::Triple::MinGW32: 391224145Sdim // mingw-w64 C++ include paths (i686-w64-mingw32 and x86_64-w64-mingw32) 392224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.0"); 393224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.1"); 394224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.2"); 395224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.3"); 396234353Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.5.4"); 397224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.0"); 398224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.1"); 399224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.2"); 400234353Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.6.3"); 401224145Sdim AddMinGW64CXXPaths(HSOpts.ResourceDir, "4.7.0"); 402224145Sdim // mingw.org C++ include paths 403224145Sdim AddMinGWCPlusPlusIncludePaths("/mingw/lib/gcc", "mingw32", "4.5.2"); //MSYS 404234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.2"); 405234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.6.1"); 406234353Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.2"); 407221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.5.0"); 408221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.4.0"); 409221345Sdim AddMinGWCPlusPlusIncludePaths("c:/MinGW/lib/gcc", "mingw32", "4.3.0"); 410221345Sdim break; 411202379Srdivacky case llvm::Triple::DragonFly: 412219077Sdim AddPath("/usr/include/c++/4.1", CXXSystem, true, false, false); 413202379Srdivacky break; 414198893Srdivacky case llvm::Triple::FreeBSD: 415208600Srdivacky // FreeBSD 8.0 416208600Srdivacky // FreeBSD 7.3 417239462Sdim AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", 418239462Sdim "", "", "", triple); 419234982Sdim AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2/backward", 420211573Srpaulo "", "", "", triple); 421198893Srdivacky break; 422212904Sdim case llvm::Triple::NetBSD: 423212904Sdim AddGnuCPlusPlusIncludePaths("/usr/include/g++", "", "", "", triple); 424212904Sdim break; 425212904Sdim case llvm::Triple::OpenBSD: { 426212904Sdim std::string t = triple.getTriple(); 427212904Sdim if (t.substr(0, 6) == "x86_64") 428212904Sdim t.replace(0, 6, "amd64"); 429212904Sdim AddGnuCPlusPlusIncludePaths("/usr/include/g++", 430212904Sdim t, "", "", triple); 431212904Sdim break; 432212904Sdim } 433210299Sed case llvm::Triple::Minix: 434210299Sed AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3", 435210299Sed "", "", "", triple); 436210299Sed break; 437198893Srdivacky case llvm::Triple::Solaris: 438234353Sdim AddGnuCPlusPlusIncludePaths("/usr/gcc/4.5/include/c++/4.5.2/", 439234353Sdim "i386-pc-solaris2.11", "", "", triple); 440198893Srdivacky // Solaris - Fall though.. 441198893Srdivacky case llvm::Triple::AuroraUX: 442198893Srdivacky // AuroraUX 443198893Srdivacky AddGnuCPlusPlusIncludePaths("/opt/gcc4/include/c++/4.2.4", 444199482Srdivacky "i386-pc-solaris2.11", "", "", triple); 445198893Srdivacky break; 446198092Srdivacky default: 447198092Srdivacky break; 448193326Sed } 449198893Srdivacky} 450193326Sed 451226633Sdimvoid InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang, 452226633Sdim const llvm::Triple &triple, 453208600Srdivacky const HeaderSearchOptions &HSOpts) { 454228379Sdim // NB: This code path is going away. All of the logic is moving into the 455228379Sdim // driver which has the information necessary to do target-specific 456228379Sdim // selections of default include paths. Each target which moves there will be 457228379Sdim // exempted from this logic here until we can delete the entire pile of code. 458228379Sdim switch (triple.getOS()) { 459228379Sdim default: 460228379Sdim break; // Everything else continues to use this routine's logic. 461228379Sdim 462228379Sdim case llvm::Triple::Linux: 463228379Sdim case llvm::Triple::Win32: 464228379Sdim return; 465228379Sdim } 466228379Sdim 467226633Sdim if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes && 468226633Sdim HSOpts.UseStandardSystemIncludes) { 469226633Sdim if (HSOpts.UseLibcxx) { 470226633Sdim if (triple.isOSDarwin()) { 471226633Sdim // On Darwin, libc++ may be installed alongside the compiler in 472226633Sdim // lib/c++/v1. 473226633Sdim llvm::sys::Path P(HSOpts.ResourceDir); 474226633Sdim if (!P.isEmpty()) { 475226633Sdim P.eraseComponent(); // Remove version from foo/lib/clang/version 476226633Sdim P.eraseComponent(); // Remove clang from foo/lib/clang 477226633Sdim 478226633Sdim // Get foo/lib/c++/v1 479226633Sdim P.appendComponent("c++"); 480226633Sdim P.appendComponent("v1"); 481226633Sdim AddPath(P.str(), CXXSystem, true, false, false, true); 482226633Sdim } 483226633Sdim } 484234353Sdim // On Solaris, include the support directory for things like xlocale and 485234353Sdim // fudged system headers. 486234353Sdim if (triple.getOS() == llvm::Triple::Solaris) 487234353Sdim AddPath("/usr/include/c++/v1/support/solaris", CXXSystem, true, false, 488234353Sdim false); 489226633Sdim 490224145Sdim AddPath("/usr/include/c++/v1", CXXSystem, true, false, false); 491226633Sdim } else { 492224145Sdim AddDefaultCPlusPlusIncludePaths(triple, HSOpts); 493226633Sdim } 494224145Sdim } 495199990Srdivacky 496208600Srdivacky AddDefaultCIncludePaths(triple, HSOpts); 497199482Srdivacky 498199482Srdivacky // Add the default framework include paths on Darwin. 499226633Sdim if (HSOpts.UseStandardSystemIncludes) { 500226633Sdim if (triple.isOSDarwin()) { 501226633Sdim AddPath("/System/Library/Frameworks", System, true, false, true); 502226633Sdim AddPath("/Library/Frameworks", System, true, false, true); 503226633Sdim } 504199482Srdivacky } 505198893Srdivacky} 506198893Srdivacky 507193326Sed/// RemoveDuplicates - If there are duplicate directory entries in the specified 508226633Sdim/// search list, remove the later (dead) ones. Returns the number of non-system 509226633Sdim/// headers removed, which is used to update NumAngled. 510226633Sdimstatic unsigned RemoveDuplicates(std::vector<DirectoryLookup> &SearchList, 511226633Sdim unsigned First, bool Verbose) { 512193326Sed llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs; 513193326Sed llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs; 514193326Sed llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps; 515226633Sdim unsigned NonSystemRemoved = 0; 516219077Sdim for (unsigned i = First; i != SearchList.size(); ++i) { 517193326Sed unsigned DirToRemove = i; 518198092Srdivacky 519193326Sed const DirectoryLookup &CurEntry = SearchList[i]; 520198092Srdivacky 521193326Sed if (CurEntry.isNormalDir()) { 522193326Sed // If this isn't the first time we've seen this dir, remove it. 523193326Sed if (SeenDirs.insert(CurEntry.getDir())) 524193326Sed continue; 525193326Sed } else if (CurEntry.isFramework()) { 526193326Sed // If this isn't the first time we've seen this framework dir, remove it. 527193326Sed if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir())) 528193326Sed continue; 529193326Sed } else { 530193326Sed assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 531193326Sed // If this isn't the first time we've seen this headermap, remove it. 532193326Sed if (SeenHeaderMaps.insert(CurEntry.getHeaderMap())) 533193326Sed continue; 534193326Sed } 535198092Srdivacky 536193326Sed // If we have a normal #include dir/framework/headermap that is shadowed 537193326Sed // later in the chain by a system include location, we actually want to 538193326Sed // ignore the user's request and drop the user dir... keeping the system 539193326Sed // dir. This is weird, but required to emulate GCC's search path correctly. 540193326Sed // 541193326Sed // Since dupes of system dirs are rare, just rescan to find the original 542193326Sed // that we're nuking instead of using a DenseMap. 543193326Sed if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) { 544193326Sed // Find the dir that this is the same of. 545193326Sed unsigned FirstDir; 546193326Sed for (FirstDir = 0; ; ++FirstDir) { 547193326Sed assert(FirstDir != i && "Didn't find dupe?"); 548198092Srdivacky 549193326Sed const DirectoryLookup &SearchEntry = SearchList[FirstDir]; 550193326Sed 551193326Sed // If these are different lookup types, then they can't be the dupe. 552193326Sed if (SearchEntry.getLookupType() != CurEntry.getLookupType()) 553193326Sed continue; 554198092Srdivacky 555193326Sed bool isSame; 556193326Sed if (CurEntry.isNormalDir()) 557193326Sed isSame = SearchEntry.getDir() == CurEntry.getDir(); 558193326Sed else if (CurEntry.isFramework()) 559193326Sed isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir(); 560193326Sed else { 561193326Sed assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?"); 562193326Sed isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap(); 563193326Sed } 564198092Srdivacky 565193326Sed if (isSame) 566193326Sed break; 567193326Sed } 568198092Srdivacky 569193326Sed // If the first dir in the search path is a non-system dir, zap it 570193326Sed // instead of the system one. 571193326Sed if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User) 572193326Sed DirToRemove = FirstDir; 573193326Sed } 574193326Sed 575193326Sed if (Verbose) { 576200583Srdivacky llvm::errs() << "ignoring duplicate directory \"" 577200583Srdivacky << CurEntry.getName() << "\"\n"; 578193326Sed if (DirToRemove != i) 579200583Srdivacky llvm::errs() << " as it is a non-system directory that duplicates " 580200583Srdivacky << "a system directory\n"; 581193326Sed } 582226633Sdim if (DirToRemove != i) 583226633Sdim ++NonSystemRemoved; 584198092Srdivacky 585193326Sed // This is reached if the current entry is a duplicate. Remove the 586193326Sed // DirToRemove (usually the current dir). 587193326Sed SearchList.erase(SearchList.begin()+DirToRemove); 588193326Sed --i; 589193326Sed } 590226633Sdim return NonSystemRemoved; 591193326Sed} 592193326Sed 593193326Sed 594219077Sdimvoid InitHeaderSearch::Realize(const LangOptions &Lang) { 595193326Sed // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList. 596193326Sed std::vector<DirectoryLookup> SearchList; 597219077Sdim SearchList.reserve(IncludePath.size()); 598198092Srdivacky 599224145Sdim // Quoted arguments go first. 600219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 601219077Sdim it != ie; ++it) { 602219077Sdim if (it->first == Quoted) 603219077Sdim SearchList.push_back(it->second); 604219077Sdim } 605224145Sdim // Deduplicate and remember index. 606219077Sdim RemoveDuplicates(SearchList, 0, Verbose); 607224145Sdim unsigned NumQuoted = SearchList.size(); 608193326Sed 609219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 610219077Sdim it != ie; ++it) { 611226633Sdim if (it->first == Angled || it->first == IndexHeaderMap) 612219077Sdim SearchList.push_back(it->second); 613219077Sdim } 614198092Srdivacky 615224145Sdim RemoveDuplicates(SearchList, NumQuoted, Verbose); 616224145Sdim unsigned NumAngled = SearchList.size(); 617224145Sdim 618219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 619219077Sdim it != ie; ++it) { 620226633Sdim if (it->first == System || 621226633Sdim (!Lang.ObjC1 && !Lang.CPlusPlus && it->first == CSystem) || 622226633Sdim (/*FIXME !Lang.ObjC1 && */Lang.CPlusPlus && it->first == CXXSystem) || 623226633Sdim (Lang.ObjC1 && !Lang.CPlusPlus && it->first == ObjCSystem) || 624226633Sdim (Lang.ObjC1 && Lang.CPlusPlus && it->first == ObjCXXSystem)) 625219077Sdim SearchList.push_back(it->second); 626219077Sdim } 627219077Sdim 628219077Sdim for (path_iterator it = IncludePath.begin(), ie = IncludePath.end(); 629219077Sdim it != ie; ++it) { 630219077Sdim if (it->first == After) 631219077Sdim SearchList.push_back(it->second); 632219077Sdim } 633219077Sdim 634224145Sdim // Remove duplicates across both the Angled and System directories. GCC does 635224145Sdim // this and failing to remove duplicates across these two groups breaks 636224145Sdim // #include_next. 637226633Sdim unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose); 638226633Sdim NumAngled -= NonSystemRemoved; 639219077Sdim 640193326Sed bool DontSearchCurDir = false; // TODO: set to true if -I- is set? 641224145Sdim Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir); 642193326Sed 643239462Sdim Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes); 644239462Sdim 645193326Sed // If verbose, print the list of directories that will be searched. 646193326Sed if (Verbose) { 647200583Srdivacky llvm::errs() << "#include \"...\" search starts here:\n"; 648193326Sed for (unsigned i = 0, e = SearchList.size(); i != e; ++i) { 649224145Sdim if (i == NumQuoted) 650200583Srdivacky llvm::errs() << "#include <...> search starts here:\n"; 651193326Sed const char *Name = SearchList[i].getName(); 652193326Sed const char *Suffix; 653193326Sed if (SearchList[i].isNormalDir()) 654193326Sed Suffix = ""; 655193326Sed else if (SearchList[i].isFramework()) 656193326Sed Suffix = " (framework directory)"; 657193326Sed else { 658193326Sed assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup"); 659193326Sed Suffix = " (headermap)"; 660193326Sed } 661200583Srdivacky llvm::errs() << " " << Name << Suffix << "\n"; 662193326Sed } 663200583Srdivacky llvm::errs() << "End of search list.\n"; 664193326Sed } 665193326Sed} 666199482Srdivacky 667199482Srdivackyvoid clang::ApplyHeaderSearchOptions(HeaderSearch &HS, 668199482Srdivacky const HeaderSearchOptions &HSOpts, 669199482Srdivacky const LangOptions &Lang, 670199482Srdivacky const llvm::Triple &Triple) { 671199482Srdivacky InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot); 672199482Srdivacky 673199482Srdivacky // Add the user defined entries. 674199482Srdivacky for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) { 675199482Srdivacky const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i]; 676228379Sdim Init.AddPath(E.Path, E.Group, !E.ImplicitExternC, E.IsUserSupplied, 677228379Sdim E.IsFramework, E.IgnoreSysRoot); 678199482Srdivacky } 679199482Srdivacky 680226633Sdim Init.AddDefaultIncludePaths(Lang, Triple, HSOpts); 681199482Srdivacky 682239462Sdim for (unsigned i = 0, e = HSOpts.SystemHeaderPrefixes.size(); i != e; ++i) 683239462Sdim Init.AddSystemHeaderPrefix(HSOpts.SystemHeaderPrefixes[i].Prefix, 684239462Sdim HSOpts.SystemHeaderPrefixes[i].IsSystemHeader); 685239462Sdim 686234353Sdim if (HSOpts.UseBuiltinIncludes) { 687234353Sdim // Set up the builtin include directory in the module map. 688234353Sdim llvm::sys::Path P(HSOpts.ResourceDir); 689234353Sdim P.appendComponent("include"); 690234353Sdim if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P.str())) 691234353Sdim HS.getModuleMap().setBuiltinIncludeDir(Dir); 692234353Sdim } 693234353Sdim 694219077Sdim Init.Realize(Lang); 695199482Srdivacky} 696