1 //===--- InitHeaderSearch.cpp - Initialize header search paths ------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file implements the InitHeaderSearch class.
12 //===----------------------------------------------------------------------===//
14 #include "clang/Frontend/Utils.h"
15 #include "clang/Basic/FileManager.h"
16 #include "clang/Basic/LangOptions.h"
17 #include "clang/Config/config.h" // C_INCLUDE_DIRS
18 #include "clang/Lex/HeaderMap.h"
19 #include "clang/Lex/HeaderSearch.h"
20 #include "clang/Lex/HeaderSearchOptions.h"
21 #include "llvm/ADT/SmallPtrSet.h"
22 #include "llvm/ADT/SmallString.h"
23 #include "llvm/ADT/SmallVector.h"
24 #include "llvm/ADT/StringExtras.h"
25 #include "llvm/ADT/Triple.h"
26 #include "llvm/ADT/Twine.h"
27 #include "llvm/Support/ErrorHandling.h"
28 #include "llvm/Support/FileSystem.h"
29 #include "llvm/Support/Path.h"
30 #include "llvm/Support/raw_ostream.h"
32 using namespace clang;
33 using namespace clang::frontend;
37 /// InitHeaderSearch - This class makes it easier to set the search paths of
38 /// a HeaderSearch object. InitHeaderSearch stores several search path lists
39 /// internally, which can be sent to a HeaderSearch object in one swoop.
40 class InitHeaderSearch {
41 std::vector<std::pair<IncludeDirGroup, DirectoryLookup> > IncludePath;
42 typedef std::vector<std::pair<IncludeDirGroup,
43 DirectoryLookup> >::const_iterator path_iterator;
44 std::vector<std::pair<std::string, bool> > SystemHeaderPrefixes;
45 HeaderSearch &Headers;
47 std::string IncludeSysroot;
52 InitHeaderSearch(HeaderSearch &HS, bool verbose, StringRef sysroot)
53 : Headers(HS), Verbose(verbose), IncludeSysroot(sysroot),
54 HasSysroot(!(sysroot.empty() || sysroot == "/")) {
57 /// AddPath - Add the specified path to the specified group list, prefixing
58 /// the sysroot if used.
59 void AddPath(const Twine &Path, IncludeDirGroup Group, bool isFramework);
61 /// AddUnmappedPath - Add the specified path to the specified group list,
62 /// without performing any sysroot remapping.
63 void AddUnmappedPath(const Twine &Path, IncludeDirGroup Group,
66 /// AddSystemHeaderPrefix - Add the specified prefix to the system header
68 void AddSystemHeaderPrefix(StringRef Prefix, bool IsSystemHeader) {
69 SystemHeaderPrefixes.emplace_back(Prefix, IsSystemHeader);
72 /// AddGnuCPlusPlusIncludePaths - Add the necessary paths to support a gnu
74 void AddGnuCPlusPlusIncludePaths(StringRef Base,
78 const llvm::Triple &triple);
80 /// AddMinGWCPlusPlusIncludePaths - Add the necessary paths to support a MinGW
82 void AddMinGWCPlusPlusIncludePaths(StringRef Base,
86 // AddDefaultCIncludePaths - Add paths that should always be searched.
87 void AddDefaultCIncludePaths(const llvm::Triple &triple,
88 const HeaderSearchOptions &HSOpts);
90 // AddDefaultCPlusPlusIncludePaths - Add paths that should be searched when
92 void AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple,
93 const HeaderSearchOptions &HSOpts);
95 /// AddDefaultSystemIncludePaths - Adds the default system include paths so
96 /// that e.g. stdio.h is found.
97 void AddDefaultIncludePaths(const LangOptions &Lang,
98 const llvm::Triple &triple,
99 const HeaderSearchOptions &HSOpts);
101 /// Realize - Merges all search path lists into one list and send it to
103 void Realize(const LangOptions &Lang);
106 } // end anonymous namespace.
108 static bool CanPrefixSysroot(StringRef Path) {
109 #if defined(LLVM_ON_WIN32)
110 return !Path.empty() && llvm::sys::path::is_separator(Path[0]);
112 return llvm::sys::path::is_absolute(Path);
116 void InitHeaderSearch::AddPath(const Twine &Path, IncludeDirGroup Group,
118 // Add the path with sysroot prepended, if desired and this is a system header
121 SmallString<256> MappedPathStorage;
122 StringRef MappedPathStr = Path.toStringRef(MappedPathStorage);
123 if (CanPrefixSysroot(MappedPathStr)) {
124 AddUnmappedPath(IncludeSysroot + Path, Group, isFramework);
129 AddUnmappedPath(Path, Group, isFramework);
132 void InitHeaderSearch::AddUnmappedPath(const Twine &Path, IncludeDirGroup Group,
134 assert(!Path.isTriviallyEmpty() && "can't handle empty path here");
136 FileManager &FM = Headers.getFileMgr();
137 SmallString<256> MappedPathStorage;
138 StringRef MappedPathStr = Path.toStringRef(MappedPathStorage);
140 // Compute the DirectoryLookup type.
141 SrcMgr::CharacteristicKind Type;
142 if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) {
143 Type = SrcMgr::C_User;
144 } else if (Group == ExternCSystem) {
145 Type = SrcMgr::C_ExternCSystem;
147 Type = SrcMgr::C_System;
150 // If the directory exists, add it.
151 if (const DirectoryEntry *DE = FM.getDirectory(MappedPathStr)) {
152 IncludePath.push_back(
153 std::make_pair(Group, DirectoryLookup(DE, Type, isFramework)));
157 // Check to see if this is an apple-style headermap (which are not allowed to
160 if (const FileEntry *FE = FM.getFile(MappedPathStr)) {
161 if (const HeaderMap *HM = Headers.CreateHeaderMap(FE)) {
162 // It is a headermap, add it to the search path.
163 IncludePath.push_back(
164 std::make_pair(Group,
165 DirectoryLookup(HM, Type, Group == IndexHeaderMap)));
172 llvm::errs() << "ignoring nonexistent directory \""
173 << MappedPathStr << "\"\n";
176 void InitHeaderSearch::AddGnuCPlusPlusIncludePaths(StringRef Base,
180 const llvm::Triple &triple) {
182 AddPath(Base, CXXSystem, false);
184 // Add the multilib dirs
185 llvm::Triple::ArchType arch = triple.getArch();
186 bool is64bit = arch == llvm::Triple::ppc64 || arch == llvm::Triple::x86_64;
188 AddPath(Base + "/" + ArchDir + "/" + Dir64, CXXSystem, false);
190 AddPath(Base + "/" + ArchDir + "/" + Dir32, CXXSystem, false);
192 // Add the backward dir
193 AddPath(Base + "/backward", CXXSystem, false);
196 void InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(StringRef Base,
199 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++",
201 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/" + Arch,
203 AddPath(Base + "/" + Arch + "/" + Version + "/include/c++/backward",
207 void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple &triple,
208 const HeaderSearchOptions &HSOpts) {
209 llvm::Triple::OSType os = triple.getOS();
211 if (HSOpts.UseStandardSystemIncludes) {
213 case llvm::Triple::CloudABI:
214 case llvm::Triple::FreeBSD:
215 case llvm::Triple::NetBSD:
216 case llvm::Triple::OpenBSD:
217 case llvm::Triple::Bitrig:
218 case llvm::Triple::NaCl:
219 case llvm::Triple::PS4:
220 case llvm::Triple::ELFIAMCU:
222 case llvm::Triple::Win32:
223 if (triple.getEnvironment() != llvm::Triple::Cygnus)
226 // FIXME: temporary hack: hard-coded paths.
227 AddPath("/usr/local/include", System, false);
232 // Builtin includes use #include_next directives and should be positioned
233 // just prior C include dirs.
234 if (HSOpts.UseBuiltinIncludes) {
235 // Ignore the sys root, we *always* look for clang headers relative to
237 SmallString<128> P = StringRef(HSOpts.ResourceDir);
238 llvm::sys::path::append(P, "include");
239 AddUnmappedPath(P, ExternCSystem, false);
242 // All remaining additions are for system include directories, early exit if
243 // we aren't using them.
244 if (!HSOpts.UseStandardSystemIncludes)
247 // Add dirs specified via 'configure --with-c-include-dirs'.
248 StringRef CIncludeDirs(C_INCLUDE_DIRS);
249 if (CIncludeDirs != "") {
250 SmallVector<StringRef, 5> dirs;
251 CIncludeDirs.split(dirs, ":");
252 for (StringRef dir : dirs)
253 AddPath(dir, ExternCSystem, false);
258 case llvm::Triple::Linux:
259 llvm_unreachable("Include management is handled in the driver.");
261 case llvm::Triple::CloudABI: {
262 // <sysroot>/<triple>/include
263 SmallString<128> P = StringRef(HSOpts.ResourceDir);
264 llvm::sys::path::append(P, "../../..", triple.str(), "include");
265 AddPath(P, System, false);
269 case llvm::Triple::Haiku:
270 AddPath("/boot/common/include", System, false);
271 AddPath("/boot/develop/headers/os", System, false);
272 AddPath("/boot/develop/headers/os/app", System, false);
273 AddPath("/boot/develop/headers/os/arch", System, false);
274 AddPath("/boot/develop/headers/os/device", System, false);
275 AddPath("/boot/develop/headers/os/drivers", System, false);
276 AddPath("/boot/develop/headers/os/game", System, false);
277 AddPath("/boot/develop/headers/os/interface", System, false);
278 AddPath("/boot/develop/headers/os/kernel", System, false);
279 AddPath("/boot/develop/headers/os/locale", System, false);
280 AddPath("/boot/develop/headers/os/mail", System, false);
281 AddPath("/boot/develop/headers/os/media", System, false);
282 AddPath("/boot/develop/headers/os/midi", System, false);
283 AddPath("/boot/develop/headers/os/midi2", System, false);
284 AddPath("/boot/develop/headers/os/net", System, false);
285 AddPath("/boot/develop/headers/os/storage", System, false);
286 AddPath("/boot/develop/headers/os/support", System, false);
287 AddPath("/boot/develop/headers/os/translation", System, false);
288 AddPath("/boot/develop/headers/os/add-ons/graphics", System, false);
289 AddPath("/boot/develop/headers/os/add-ons/input_server", System, false);
290 AddPath("/boot/develop/headers/os/add-ons/screen_saver", System, false);
291 AddPath("/boot/develop/headers/os/add-ons/tracker", System, false);
292 AddPath("/boot/develop/headers/os/be_apps/Deskbar", System, false);
293 AddPath("/boot/develop/headers/os/be_apps/NetPositive", System, false);
294 AddPath("/boot/develop/headers/os/be_apps/Tracker", System, false);
295 AddPath("/boot/develop/headers/cpp", System, false);
296 AddPath("/boot/develop/headers/cpp/i586-pc-haiku", System, false);
297 AddPath("/boot/develop/headers/3rdparty", System, false);
298 AddPath("/boot/develop/headers/bsd", System, false);
299 AddPath("/boot/develop/headers/glibc", System, false);
300 AddPath("/boot/develop/headers/posix", System, false);
301 AddPath("/boot/develop/headers", System, false);
303 case llvm::Triple::RTEMS:
305 case llvm::Triple::Win32:
306 switch (triple.getEnvironment()) {
307 default: llvm_unreachable("Include management is handled in the driver.");
308 case llvm::Triple::Cygnus:
309 AddPath("/usr/include/w32api", System, false);
311 case llvm::Triple::GNU:
320 case llvm::Triple::CloudABI:
321 case llvm::Triple::RTEMS:
322 case llvm::Triple::NaCl:
323 case llvm::Triple::ELFIAMCU:
325 case llvm::Triple::PS4: {
326 // <isysroot> gets prepended later in AddPath().
327 std::string BaseSDKPath = "";
329 const char *envValue = getenv("SCE_PS4_SDK_DIR");
331 BaseSDKPath = envValue;
333 // HSOpts.ResourceDir variable contains the location of Clang's
335 // Assuming that Clang is configured for PS4 without
336 // --with-clang-resource-dir option, the location of Clang's resource
337 // files is <SDK_DIR>/host_tools/lib/clang
338 SmallString<128> P = StringRef(HSOpts.ResourceDir);
339 llvm::sys::path::append(P, "../../..");
340 BaseSDKPath = P.str();
343 AddPath(BaseSDKPath + "/target/include", System, false);
344 if (triple.isPS4CPU())
345 AddPath(BaseSDKPath + "/target/include_common", System, false);
348 AddPath("/usr/include", ExternCSystem, false);
353 void InitHeaderSearch::
354 AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOptions &HSOpts) {
355 llvm::Triple::OSType os = triple.getOS();
356 // FIXME: temporary hack: hard-coded paths.
358 if (triple.isOSDarwin()) {
359 switch (triple.getArch()) {
362 case llvm::Triple::ppc:
363 case llvm::Triple::ppc64:
364 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
365 "powerpc-apple-darwin10", "", "ppc64",
367 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0",
368 "powerpc-apple-darwin10", "", "ppc64",
372 case llvm::Triple::x86:
373 case llvm::Triple::x86_64:
374 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
375 "i686-apple-darwin10", "", "x86_64", triple);
376 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.0.0",
377 "i686-apple-darwin8", "", "", triple);
380 case llvm::Triple::arm:
381 case llvm::Triple::thumb:
382 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
383 "arm-apple-darwin10", "v7", "", triple);
384 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
385 "arm-apple-darwin10", "v6", "", triple);
388 case llvm::Triple::aarch64:
389 AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2.1",
390 "arm64-apple-darwin10", "", "", triple);
397 case llvm::Triple::Linux:
398 llvm_unreachable("Include management is handled in the driver.");
400 case llvm::Triple::Win32:
401 switch (triple.getEnvironment()) {
402 default: llvm_unreachable("Include management is handled in the driver.");
403 case llvm::Triple::Cygnus:
405 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.7.3");
406 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.5.3");
407 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.4");
408 // g++-4 / Cygwin-1.5
409 AddMinGWCPlusPlusIncludePaths("/usr/lib/gcc", "i686-pc-cygwin", "4.3.2");
413 case llvm::Triple::DragonFly:
414 AddPath("/usr/include/c++/5.0", CXXSystem, false);
416 case llvm::Triple::OpenBSD: {
417 std::string t = triple.getTriple();
418 if (t.substr(0, 6) == "x86_64")
419 t.replace(0, 6, "amd64");
420 AddGnuCPlusPlusIncludePaths("/usr/include/g++",
424 case llvm::Triple::Minix:
425 AddGnuCPlusPlusIncludePaths("/usr/gnu/include/c++/4.4.3",
433 void InitHeaderSearch::AddDefaultIncludePaths(const LangOptions &Lang,
434 const llvm::Triple &triple,
435 const HeaderSearchOptions &HSOpts) {
436 // NB: This code path is going away. All of the logic is moving into the
437 // driver which has the information necessary to do target-specific
438 // selections of default include paths. Each target which moves there will be
439 // exempted from this logic here until we can delete the entire pile of code.
440 switch (triple.getOS()) {
442 break; // Everything else continues to use this routine's logic.
444 case llvm::Triple::Linux:
447 case llvm::Triple::Win32:
448 if (triple.getEnvironment() != llvm::Triple::Cygnus ||
449 triple.isOSBinFormatMachO())
454 if (Lang.CPlusPlus && HSOpts.UseStandardCXXIncludes &&
455 HSOpts.UseStandardSystemIncludes) {
456 if (HSOpts.UseLibcxx) {
457 if (triple.isOSDarwin()) {
458 // On Darwin, libc++ may be installed alongside the compiler in
460 if (!HSOpts.ResourceDir.empty()) {
461 // Remove version from foo/lib/clang/version
462 StringRef NoVer = llvm::sys::path::parent_path(HSOpts.ResourceDir);
463 // Remove clang from foo/lib/clang
464 StringRef Lib = llvm::sys::path::parent_path(NoVer);
465 // Remove lib from foo/lib
466 SmallString<128> P = llvm::sys::path::parent_path(Lib);
468 // Get foo/include/c++/v1
469 llvm::sys::path::append(P, "include", "c++", "v1");
470 AddUnmappedPath(P, CXXSystem, false);
473 AddPath("/usr/include/c++/v1", CXXSystem, false);
475 AddDefaultCPlusPlusIncludePaths(triple, HSOpts);
479 AddDefaultCIncludePaths(triple, HSOpts);
481 // Add the default framework include paths on Darwin.
482 if (HSOpts.UseStandardSystemIncludes) {
483 if (triple.isOSDarwin()) {
484 AddPath("/System/Library/Frameworks", System, true);
485 AddPath("/Library/Frameworks", System, true);
490 /// RemoveDuplicates - If there are duplicate directory entries in the specified
491 /// search list, remove the later (dead) ones. Returns the number of non-system
492 /// headers removed, which is used to update NumAngled.
493 static unsigned RemoveDuplicates(std::vector<DirectoryLookup> &SearchList,
494 unsigned First, bool Verbose) {
495 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenDirs;
496 llvm::SmallPtrSet<const DirectoryEntry *, 8> SeenFrameworkDirs;
497 llvm::SmallPtrSet<const HeaderMap *, 8> SeenHeaderMaps;
498 unsigned NonSystemRemoved = 0;
499 for (unsigned i = First; i != SearchList.size(); ++i) {
500 unsigned DirToRemove = i;
502 const DirectoryLookup &CurEntry = SearchList[i];
504 if (CurEntry.isNormalDir()) {
505 // If this isn't the first time we've seen this dir, remove it.
506 if (SeenDirs.insert(CurEntry.getDir()).second)
508 } else if (CurEntry.isFramework()) {
509 // If this isn't the first time we've seen this framework dir, remove it.
510 if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir()).second)
513 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?");
514 // If this isn't the first time we've seen this headermap, remove it.
515 if (SeenHeaderMaps.insert(CurEntry.getHeaderMap()).second)
519 // If we have a normal #include dir/framework/headermap that is shadowed
520 // later in the chain by a system include location, we actually want to
521 // ignore the user's request and drop the user dir... keeping the system
522 // dir. This is weird, but required to emulate GCC's search path correctly.
524 // Since dupes of system dirs are rare, just rescan to find the original
525 // that we're nuking instead of using a DenseMap.
526 if (CurEntry.getDirCharacteristic() != SrcMgr::C_User) {
527 // Find the dir that this is the same of.
529 for (FirstDir = 0; ; ++FirstDir) {
530 assert(FirstDir != i && "Didn't find dupe?");
532 const DirectoryLookup &SearchEntry = SearchList[FirstDir];
534 // If these are different lookup types, then they can't be the dupe.
535 if (SearchEntry.getLookupType() != CurEntry.getLookupType())
539 if (CurEntry.isNormalDir())
540 isSame = SearchEntry.getDir() == CurEntry.getDir();
541 else if (CurEntry.isFramework())
542 isSame = SearchEntry.getFrameworkDir() == CurEntry.getFrameworkDir();
544 assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?");
545 isSame = SearchEntry.getHeaderMap() == CurEntry.getHeaderMap();
552 // If the first dir in the search path is a non-system dir, zap it
553 // instead of the system one.
554 if (SearchList[FirstDir].getDirCharacteristic() == SrcMgr::C_User)
555 DirToRemove = FirstDir;
559 llvm::errs() << "ignoring duplicate directory \""
560 << CurEntry.getName() << "\"\n";
561 if (DirToRemove != i)
562 llvm::errs() << " as it is a non-system directory that duplicates "
563 << "a system directory\n";
565 if (DirToRemove != i)
568 // This is reached if the current entry is a duplicate. Remove the
569 // DirToRemove (usually the current dir).
570 SearchList.erase(SearchList.begin()+DirToRemove);
573 return NonSystemRemoved;
577 void InitHeaderSearch::Realize(const LangOptions &Lang) {
578 // Concatenate ANGLE+SYSTEM+AFTER chains together into SearchList.
579 std::vector<DirectoryLookup> SearchList;
580 SearchList.reserve(IncludePath.size());
582 // Quoted arguments go first.
583 for (auto &Include : IncludePath)
584 if (Include.first == Quoted)
585 SearchList.push_back(Include.second);
587 // Deduplicate and remember index.
588 RemoveDuplicates(SearchList, 0, Verbose);
589 unsigned NumQuoted = SearchList.size();
591 for (auto &Include : IncludePath)
592 if (Include.first == Angled || Include.first == IndexHeaderMap)
593 SearchList.push_back(Include.second);
595 RemoveDuplicates(SearchList, NumQuoted, Verbose);
596 unsigned NumAngled = SearchList.size();
598 for (auto &Include : IncludePath)
599 if (Include.first == System || Include.first == ExternCSystem ||
600 (!Lang.ObjC1 && !Lang.CPlusPlus && Include.first == CSystem) ||
601 (/*FIXME !Lang.ObjC1 && */ Lang.CPlusPlus &&
602 Include.first == CXXSystem) ||
603 (Lang.ObjC1 && !Lang.CPlusPlus && Include.first == ObjCSystem) ||
604 (Lang.ObjC1 && Lang.CPlusPlus && Include.first == ObjCXXSystem))
605 SearchList.push_back(Include.second);
607 for (auto &Include : IncludePath)
608 if (Include.first == After)
609 SearchList.push_back(Include.second);
611 // Remove duplicates across both the Angled and System directories. GCC does
612 // this and failing to remove duplicates across these two groups breaks
614 unsigned NonSystemRemoved = RemoveDuplicates(SearchList, NumQuoted, Verbose);
615 NumAngled -= NonSystemRemoved;
617 bool DontSearchCurDir = false; // TODO: set to true if -I- is set?
618 Headers.SetSearchPaths(SearchList, NumQuoted, NumAngled, DontSearchCurDir);
620 Headers.SetSystemHeaderPrefixes(SystemHeaderPrefixes);
622 // If verbose, print the list of directories that will be searched.
624 llvm::errs() << "#include \"...\" search starts here:\n";
625 for (unsigned i = 0, e = SearchList.size(); i != e; ++i) {
627 llvm::errs() << "#include <...> search starts here:\n";
628 const char *Name = SearchList[i].getName();
630 if (SearchList[i].isNormalDir())
632 else if (SearchList[i].isFramework())
633 Suffix = " (framework directory)";
635 assert(SearchList[i].isHeaderMap() && "Unknown DirectoryLookup");
636 Suffix = " (headermap)";
638 llvm::errs() << " " << Name << Suffix << "\n";
640 llvm::errs() << "End of search list.\n";
644 void clang::ApplyHeaderSearchOptions(HeaderSearch &HS,
645 const HeaderSearchOptions &HSOpts,
646 const LangOptions &Lang,
647 const llvm::Triple &Triple) {
648 InitHeaderSearch Init(HS, HSOpts.Verbose, HSOpts.Sysroot);
650 // Add the user defined entries.
651 for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) {
652 const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i];
653 if (E.IgnoreSysRoot) {
654 Init.AddUnmappedPath(E.Path, E.Group, E.IsFramework);
656 Init.AddPath(E.Path, E.Group, E.IsFramework);
660 Init.AddDefaultIncludePaths(Lang, Triple, HSOpts);
662 for (unsigned i = 0, e = HSOpts.SystemHeaderPrefixes.size(); i != e; ++i)
663 Init.AddSystemHeaderPrefix(HSOpts.SystemHeaderPrefixes[i].Prefix,
664 HSOpts.SystemHeaderPrefixes[i].IsSystemHeader);
666 if (HSOpts.UseBuiltinIncludes) {
667 // Set up the builtin include directory in the module map.
668 SmallString<128> P = StringRef(HSOpts.ResourceDir);
669 llvm::sys::path::append(P, "include");
670 if (const DirectoryEntry *Dir = HS.getFileMgr().getDirectory(P))
671 HS.getModuleMap().setBuiltinIncludeDir(Dir);