15 #include "clang/Config/config.h" 20 #include "llvm/Option/ArgList.h" 21 #include "llvm/ProfileData/InstrProf.h" 22 #include "llvm/Support/Path.h" 23 #include "llvm/Support/ScopedPrinter.h" 24 #include "llvm/Support/VirtualFileSystem.h" 25 #include <system_error> 29 using namespace clang;
41 const llvm::Triple &TargetTriple,
42 StringRef SysRoot)
const {
43 llvm::Triple::EnvironmentType TargetEnvironment =
44 TargetTriple.getEnvironment();
45 bool IsAndroid = TargetTriple.isAndroid();
46 bool IsMipsR6 = TargetTriple.getSubArch() == llvm::Triple::MipsSubArch_r6;
47 bool IsMipsN32Abi = TargetTriple.getEnvironment() == llvm::Triple::GNUABIN32;
51 switch (TargetTriple.getArch()) {
59 case llvm::Triple::arm:
60 case llvm::Triple::thumb:
62 return "arm-linux-androideabi";
63 }
else if (TargetEnvironment == llvm::Triple::GNUEABIHF) {
64 if (D.
getVFS().exists(SysRoot +
"/lib/arm-linux-gnueabihf"))
65 return "arm-linux-gnueabihf";
67 if (D.
getVFS().exists(SysRoot +
"/lib/arm-linux-gnueabi"))
68 return "arm-linux-gnueabi";
71 case llvm::Triple::armeb:
72 case llvm::Triple::thumbeb:
73 if (TargetEnvironment == llvm::Triple::GNUEABIHF) {
74 if (D.
getVFS().exists(SysRoot +
"/lib/armeb-linux-gnueabihf"))
75 return "armeb-linux-gnueabihf";
77 if (D.
getVFS().exists(SysRoot +
"/lib/armeb-linux-gnueabi"))
78 return "armeb-linux-gnueabi";
81 case llvm::Triple::x86:
83 return "i686-linux-android";
84 if (D.
getVFS().exists(SysRoot +
"/lib/i386-linux-gnu"))
85 return "i386-linux-gnu";
87 case llvm::Triple::x86_64:
89 return "x86_64-linux-android";
91 if (TargetEnvironment != llvm::Triple::GNUX32 &&
92 D.
getVFS().exists(SysRoot +
"/lib/x86_64-linux-gnu"))
93 return "x86_64-linux-gnu";
95 case llvm::Triple::aarch64:
97 return "aarch64-linux-android";
98 if (D.
getVFS().exists(SysRoot +
"/lib/aarch64-linux-gnu"))
99 return "aarch64-linux-gnu";
101 case llvm::Triple::aarch64_be:
102 if (D.
getVFS().exists(SysRoot +
"/lib/aarch64_be-linux-gnu"))
103 return "aarch64_be-linux-gnu";
105 case llvm::Triple::mips: {
106 std::string MT = IsMipsR6 ?
"mipsisa32r6-linux-gnu" :
"mips-linux-gnu";
107 if (D.
getVFS().exists(SysRoot +
"/lib/" + MT))
111 case llvm::Triple::mipsel: {
113 return "mipsel-linux-android";
114 std::string MT = IsMipsR6 ?
"mipsisa32r6el-linux-gnu" :
"mipsel-linux-gnu";
115 if (D.
getVFS().exists(SysRoot +
"/lib/" + MT))
119 case llvm::Triple::mips64: {
120 std::string MT = std::string(IsMipsR6 ?
"mipsisa64r6" :
"mips64") +
121 "-linux-" + (IsMipsN32Abi ?
"gnuabin32" :
"gnuabi64");
122 if (D.
getVFS().exists(SysRoot +
"/lib/" + MT))
124 if (D.
getVFS().exists(SysRoot +
"/lib/mips64-linux-gnu"))
125 return "mips64-linux-gnu";
128 case llvm::Triple::mips64el: {
130 return "mips64el-linux-android";
131 std::string MT = std::string(IsMipsR6 ?
"mipsisa64r6el" :
"mips64el") +
132 "-linux-" + (IsMipsN32Abi ?
"gnuabin32" :
"gnuabi64");
133 if (D.
getVFS().exists(SysRoot +
"/lib/" + MT))
135 if (D.
getVFS().exists(SysRoot +
"/lib/mips64el-linux-gnu"))
136 return "mips64el-linux-gnu";
139 case llvm::Triple::ppc:
140 if (D.
getVFS().exists(SysRoot +
"/lib/powerpc-linux-gnuspe"))
141 return "powerpc-linux-gnuspe";
142 if (D.
getVFS().exists(SysRoot +
"/lib/powerpc-linux-gnu"))
143 return "powerpc-linux-gnu";
145 case llvm::Triple::ppc64:
146 if (D.
getVFS().exists(SysRoot +
"/lib/powerpc64-linux-gnu"))
147 return "powerpc64-linux-gnu";
149 case llvm::Triple::ppc64le:
150 if (D.
getVFS().exists(SysRoot +
"/lib/powerpc64le-linux-gnu"))
151 return "powerpc64le-linux-gnu";
153 case llvm::Triple::sparc:
154 if (D.
getVFS().exists(SysRoot +
"/lib/sparc-linux-gnu"))
155 return "sparc-linux-gnu";
157 case llvm::Triple::sparcv9:
158 if (D.
getVFS().exists(SysRoot +
"/lib/sparc64-linux-gnu"))
159 return "sparc64-linux-gnu";
161 case llvm::Triple::systemz:
162 if (D.
getVFS().exists(SysRoot +
"/lib/s390x-linux-gnu"))
163 return "s390x-linux-gnu";
166 return TargetTriple.str();
169 static StringRef
getOSLibDir(
const llvm::Triple &Triple,
const ArgList &Args) {
170 if (Triple.isMIPS()) {
171 if (Triple.isAndroid()) {
175 if (CPUName ==
"mips32r6")
177 if (CPUName ==
"mips32r2")
185 return Triple.isArch32Bit() ?
"lib" :
"lib64";
197 if (Triple.getArch() == llvm::Triple::x86 ||
198 Triple.getArch() == llvm::Triple::ppc)
201 if (Triple.getArch() == llvm::Triple::x86_64 &&
202 Triple.getEnvironment() == llvm::Triple::GNUX32)
205 if (Triple.getArch() == llvm::Triple::riscv32)
208 return Triple.isArch32Bit() ?
"lib" :
"lib64";
213 StringRef InstallPath,
216 for (
const auto &Path : PathsCallback(Multilib))
225 llvm::Triple::ArchType Arch = Triple.getArch();
251 Triple.isAndroid()) {
259 if (Triple.isAArch64() && Triple.isAndroid()) {
261 ExtraOpts.push_back(
"max-page-size=4096");
273 if (Arch == llvm::Triple::arm || Arch == llvm::Triple::thumb)
276 const bool IsAndroid = Triple.isAndroid();
277 const bool IsMips = Triple.isMIPS();
278 const bool IsHexagon = Arch == llvm::Triple::hexagon;
279 const bool IsRISCV = Triple.isRISCV();
281 if (IsMips && !SysRoot.empty())
282 ExtraOpts.push_back(
"--sysroot=" + SysRoot);
290 if (!IsMips && !IsHexagon) {
293 (IsAndroid && !Triple.isAndroidVersionLT(23)))
299 (IsAndroid && Triple.isAndroidVersionLT(23)))
300 ExtraOpts.push_back(
"--hash-style=both");
303 #ifdef ENABLE_LINKER_BUILD_ID 308 ExtraOpts.push_back(
"--enable-new-dtags");
317 const std::string OSLibDir =
getOSLibDir(Triple, Args);
366 if (StringRef(LibPath).startswith(SysRoot)) {
377 if (StringRef(D.
Dir).startswith(SysRoot)) {
392 Triple.getEnvironmentVersion(Major, Minor, Micro);
394 SysRoot +
"/usr/lib/" + MultiarchTriple +
"/" +
395 llvm::to_string(Major),
403 if (Triple.getVendor() == llvm::Triple::OpenEmbedded &&
404 Triple.isArch64Bit())
411 addPathIfExists(D, SysRoot +
"/usr/" + OSLibDir +
"/" + ABIName, Paths);
419 "/../../" + OSLibDir,
426 BiarchSibling.gccSuffix(),
441 if (StringRef(LibPath).startswith(SysRoot))
450 if (StringRef(D.
Dir).startswith(SysRoot))
479 std::string AndroidSysRootPath = (ClangDir +
"/../sysroot").str();
480 if (
getVFS().exists(AndroidSysRootPath))
481 return AndroidSysRootPath;
485 return std::string();
496 (InstallDir +
"/../../../../" + TripleStr +
"/libc" + Multilib.
osSuffix())
499 if (
getVFS().exists(Path))
502 Path = (InstallDir +
"/../../../../sysroot" + Multilib.
osSuffix()).str();
504 if (
getVFS().exists(Path))
507 return std::string();
511 const llvm::Triple::ArchType Arch =
getArch();
512 const llvm::Triple &Triple =
getTriple();
516 if (Triple.isAndroid())
517 return Triple.isArch64Bit() ?
"/system/bin/linker64" :
"/system/bin/linker";
519 if (Triple.isMusl()) {
520 std::string ArchName;
524 case llvm::Triple::arm:
525 case llvm::Triple::thumb:
529 case llvm::Triple::armeb:
530 case llvm::Triple::thumbeb:
535 ArchName = Triple.getArchName().str();
538 (Triple.getEnvironment() == llvm::Triple::MuslEABIHF ||
542 return "/lib/ld-musl-" + ArchName +
".so.1";
550 llvm_unreachable(
"unsupported architecture");
552 case llvm::Triple::aarch64:
554 Loader =
"ld-linux-aarch64.so.1";
556 case llvm::Triple::aarch64_be:
558 Loader =
"ld-linux-aarch64_be.so.1";
560 case llvm::Triple::arm:
561 case llvm::Triple::thumb:
562 case llvm::Triple::armeb:
563 case llvm::Triple::thumbeb: {
565 Triple.getEnvironment() == llvm::Triple::GNUEABIHF ||
569 Loader = HF ?
"ld-linux-armhf.so.3" :
"ld-linux.so.3";
572 case llvm::Triple::mips:
573 case llvm::Triple::mipsel:
574 case llvm::Triple::mips64:
575 case llvm::Triple::mips64el: {
581 Loader = IsNaN2008 ?
"ld-uClibc-mipsn8.so.0" :
"ld-uClibc.so.0";
582 else if (!Triple.hasEnvironment() &&
583 Triple.getVendor() == llvm::Triple::VendorType::MipsTechnologies)
585 Triple.isLittleEndian() ?
"ld-musl-mipsel.so.1" :
"ld-musl-mips.so.1";
587 Loader = IsNaN2008 ?
"ld-linux-mipsn8.so.1" :
"ld.so.1";
591 case llvm::Triple::ppc:
595 case llvm::Triple::ppc64:
600 case llvm::Triple::ppc64le:
605 case llvm::Triple::riscv32: {
608 Loader = (
"ld-linux-riscv32-" + ABIName +
".so.1").str();
611 case llvm::Triple::riscv64: {
614 Loader = (
"ld-linux-riscv64-" + ABIName +
".so.1").str();
617 case llvm::Triple::sparc:
618 case llvm::Triple::sparcel:
620 Loader =
"ld-linux.so.2";
622 case llvm::Triple::sparcv9:
624 Loader =
"ld-linux.so.2";
626 case llvm::Triple::systemz:
628 Loader =
"ld64.so.1";
630 case llvm::Triple::x86:
632 Loader =
"ld-linux.so.2";
634 case llvm::Triple::x86_64: {
635 bool X32 = Triple.getEnvironment() == llvm::Triple::GNUX32;
637 LibDir = X32 ?
"libx32" :
"lib64";
638 Loader = X32 ?
"ld-linux-x32.so.2" :
"ld-linux-x86-64.so.2";
644 (Triple.getVendor() == llvm::Triple::UnknownVendor ||
645 Triple.getVendor() == llvm::Triple::PC))
646 return "/usr/" + Triple.str() +
"/lib/" + Loader;
647 return "/" + LibDir +
"/" + Loader;
651 ArgStringList &CC1Args)
const {
655 if (DriverArgs.hasArg(clang::driver::options::OPT_nostdinc))
658 if (!DriverArgs.hasArg(options::OPT_nostdlibinc))
662 llvm::sys::path::append(ResourceDirInclude,
"include");
663 if (!DriverArgs.hasArg(options::OPT_nobuiltininc) &&
664 (!
getTriple().isMusl() || DriverArgs.hasArg(options::OPT_nostdlibinc)))
667 if (DriverArgs.hasArg(options::OPT_nostdlibinc))
671 StringRef CIncludeDirs(C_INCLUDE_DIRS);
672 if (CIncludeDirs !=
"") {
674 CIncludeDirs.split(dirs,
":");
675 for (StringRef dir : dirs) {
677 llvm::sys::path::is_absolute(dir) ? StringRef(SysRoot) :
"";
697 const StringRef X86_64MultiarchIncludeDirs[] = {
698 "/usr/include/x86_64-linux-gnu",
703 "/usr/include/i686-linux-gnu/64",
"/usr/include/i486-linux-gnu/64"};
704 const StringRef X86MultiarchIncludeDirs[] = {
705 "/usr/include/i386-linux-gnu",
710 "/usr/include/x86_64-linux-gnu/32",
"/usr/include/i686-linux-gnu",
711 "/usr/include/i486-linux-gnu"};
712 const StringRef AArch64MultiarchIncludeDirs[] = {
713 "/usr/include/aarch64-linux-gnu"};
714 const StringRef ARMMultiarchIncludeDirs[] = {
715 "/usr/include/arm-linux-gnueabi"};
716 const StringRef ARMHFMultiarchIncludeDirs[] = {
717 "/usr/include/arm-linux-gnueabihf"};
718 const StringRef ARMEBMultiarchIncludeDirs[] = {
719 "/usr/include/armeb-linux-gnueabi"};
720 const StringRef ARMEBHFMultiarchIncludeDirs[] = {
721 "/usr/include/armeb-linux-gnueabihf"};
722 const StringRef MIPSMultiarchIncludeDirs[] = {
"/usr/include/mips-linux-gnu"};
723 const StringRef MIPSELMultiarchIncludeDirs[] = {
724 "/usr/include/mipsel-linux-gnu"};
725 const StringRef MIPS64MultiarchIncludeDirs[] = {
726 "/usr/include/mips64-linux-gnuabi64"};
727 const StringRef MIPS64ELMultiarchIncludeDirs[] = {
728 "/usr/include/mips64el-linux-gnuabi64"};
729 const StringRef MIPSN32MultiarchIncludeDirs[] = {
730 "/usr/include/mips64-linux-gnuabin32"};
731 const StringRef MIPSN32ELMultiarchIncludeDirs[] = {
732 "/usr/include/mips64el-linux-gnuabin32"};
733 const StringRef MIPSR6MultiarchIncludeDirs[] = {
734 "/usr/include/mipsisa32-linux-gnu"};
735 const StringRef MIPSR6ELMultiarchIncludeDirs[] = {
736 "/usr/include/mipsisa32r6el-linux-gnu"};
737 const StringRef MIPS64R6MultiarchIncludeDirs[] = {
738 "/usr/include/mipsisa64r6-linux-gnuabi64"};
739 const StringRef MIPS64R6ELMultiarchIncludeDirs[] = {
740 "/usr/include/mipsisa64r6el-linux-gnuabi64"};
741 const StringRef MIPSN32R6MultiarchIncludeDirs[] = {
742 "/usr/include/mipsisa64r6-linux-gnuabin32"};
743 const StringRef MIPSN32R6ELMultiarchIncludeDirs[] = {
744 "/usr/include/mipsisa64r6el-linux-gnuabin32"};
745 const StringRef PPCMultiarchIncludeDirs[] = {
746 "/usr/include/powerpc-linux-gnu",
747 "/usr/include/powerpc-linux-gnuspe"};
748 const StringRef PPC64MultiarchIncludeDirs[] = {
749 "/usr/include/powerpc64-linux-gnu"};
750 const StringRef PPC64LEMultiarchIncludeDirs[] = {
751 "/usr/include/powerpc64le-linux-gnu"};
752 const StringRef SparcMultiarchIncludeDirs[] = {
753 "/usr/include/sparc-linux-gnu"};
754 const StringRef Sparc64MultiarchIncludeDirs[] = {
755 "/usr/include/sparc64-linux-gnu"};
756 const StringRef SYSTEMZMultiarchIncludeDirs[] = {
757 "/usr/include/s390x-linux-gnu"};
760 case llvm::Triple::x86_64:
761 MultiarchIncludeDirs = X86_64MultiarchIncludeDirs;
763 case llvm::Triple::x86:
764 MultiarchIncludeDirs = X86MultiarchIncludeDirs;
766 case llvm::Triple::aarch64:
767 case llvm::Triple::aarch64_be:
768 MultiarchIncludeDirs = AArch64MultiarchIncludeDirs;
770 case llvm::Triple::arm:
771 case llvm::Triple::thumb:
772 if (
getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
773 MultiarchIncludeDirs = ARMHFMultiarchIncludeDirs;
775 MultiarchIncludeDirs = ARMMultiarchIncludeDirs;
777 case llvm::Triple::armeb:
778 case llvm::Triple::thumbeb:
779 if (
getTriple().getEnvironment() == llvm::Triple::GNUEABIHF)
780 MultiarchIncludeDirs = ARMEBHFMultiarchIncludeDirs;
782 MultiarchIncludeDirs = ARMEBMultiarchIncludeDirs;
784 case llvm::Triple::mips:
785 if (
getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
786 MultiarchIncludeDirs = MIPSR6MultiarchIncludeDirs;
788 MultiarchIncludeDirs = MIPSMultiarchIncludeDirs;
790 case llvm::Triple::mipsel:
791 if (
getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
792 MultiarchIncludeDirs = MIPSR6ELMultiarchIncludeDirs;
794 MultiarchIncludeDirs = MIPSELMultiarchIncludeDirs;
796 case llvm::Triple::mips64:
797 if (
getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
798 if (
getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
799 MultiarchIncludeDirs = MIPSN32R6MultiarchIncludeDirs;
801 MultiarchIncludeDirs = MIPS64R6MultiarchIncludeDirs;
802 else if (
getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
803 MultiarchIncludeDirs = MIPSN32MultiarchIncludeDirs;
805 MultiarchIncludeDirs = MIPS64MultiarchIncludeDirs;
807 case llvm::Triple::mips64el:
808 if (
getTriple().getSubArch() == llvm::Triple::MipsSubArch_r6)
809 if (
getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
810 MultiarchIncludeDirs = MIPSN32R6ELMultiarchIncludeDirs;
812 MultiarchIncludeDirs = MIPS64R6ELMultiarchIncludeDirs;
813 else if (
getTriple().getEnvironment() == llvm::Triple::GNUABIN32)
814 MultiarchIncludeDirs = MIPSN32ELMultiarchIncludeDirs;
816 MultiarchIncludeDirs = MIPS64ELMultiarchIncludeDirs;
818 case llvm::Triple::ppc:
819 MultiarchIncludeDirs = PPCMultiarchIncludeDirs;
821 case llvm::Triple::ppc64:
822 MultiarchIncludeDirs = PPC64MultiarchIncludeDirs;
824 case llvm::Triple::ppc64le:
825 MultiarchIncludeDirs = PPC64LEMultiarchIncludeDirs;
827 case llvm::Triple::sparc:
828 MultiarchIncludeDirs = SparcMultiarchIncludeDirs;
830 case llvm::Triple::sparcv9:
831 MultiarchIncludeDirs = Sparc64MultiarchIncludeDirs;
833 case llvm::Triple::systemz:
834 MultiarchIncludeDirs = SYSTEMZMultiarchIncludeDirs;
840 const std::string AndroidMultiarchIncludeDir =
841 std::string(
"/usr/include/") +
843 const StringRef AndroidMultiarchIncludeDirs[] = {AndroidMultiarchIncludeDir};
845 MultiarchIncludeDirs = AndroidMultiarchIncludeDirs;
847 for (StringRef Dir : MultiarchIncludeDirs) {
848 if (D.
getVFS().exists(SysRoot + Dir)) {
864 if (!DriverArgs.hasArg(options::OPT_nobuiltininc) &&
getTriple().isMusl())
869 llvm::opt::ArgStringList &CC1Args)
const {
884 const std::string LibStdCXXIncludePathCandidates[] = {
886 LibDir.str() +
"/../" + TripleStr.str() +
"/include/c++/" + Version.
Text,
889 LibDir.str() +
"/../include/c++",
892 LibDir.str() +
"/../include/g++",
895 for (
const auto &IncludePath : LibStdCXXIncludePathCandidates) {
905 ArgStringList &CC1Args)
const {
910 ArgStringList &CC1Args)
const {
912 CC1Args.push_back(
"-isystem");
913 CC1Args.push_back(DriverArgs.MakeArgString(
935 const bool IsX86 =
getTriple().getArch() == llvm::Triple::x86;
936 const bool IsX86_64 =
getTriple().getArch() == llvm::Triple::x86_64;
937 const bool IsMIPS =
getTriple().isMIPS32();
938 const bool IsMIPS64 =
getTriple().isMIPS64();
939 const bool IsPowerPC64 =
getTriple().getArch() == llvm::Triple::ppc64 ||
940 getTriple().getArch() == llvm::Triple::ppc64le;
941 const bool IsAArch64 =
getTriple().getArch() == llvm::Triple::aarch64 ||
942 getTriple().getArch() == llvm::Triple::aarch64_be;
943 const bool IsArmArch =
getTriple().getArch() == llvm::Triple::arm ||
944 getTriple().getArch() == llvm::Triple::thumb ||
945 getTriple().getArch() == llvm::Triple::armeb ||
946 getTriple().getArch() == llvm::Triple::thumbeb;
948 Res |= SanitizerKind::Address;
949 Res |= SanitizerKind::PointerCompare;
950 Res |= SanitizerKind::PointerSubtract;
951 Res |= SanitizerKind::Fuzzer;
952 Res |= SanitizerKind::FuzzerNoLink;
953 Res |= SanitizerKind::KernelAddress;
954 Res |= SanitizerKind::Memory;
955 Res |= SanitizerKind::Vptr;
956 Res |= SanitizerKind::SafeStack;
957 if (IsX86_64 || IsMIPS64 || IsAArch64)
958 Res |= SanitizerKind::DataFlow;
959 if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsArmArch || IsPowerPC64)
960 Res |= SanitizerKind::Leak;
961 if (IsX86_64 || IsMIPS64 || IsAArch64 || IsPowerPC64)
962 Res |= SanitizerKind::Thread;
964 Res |= SanitizerKind::KernelMemory;
965 if (IsX86 || IsX86_64)
967 if (IsX86_64 || IsMIPS64 || IsAArch64 || IsX86 || IsMIPS || IsArmArch ||
969 Res |= SanitizerKind::Scudo;
970 if (IsX86_64 || IsAArch64) {
971 Res |= SanitizerKind::HWAddress;
972 Res |= SanitizerKind::KernelHWAddress;
978 llvm::opt::ArgStringList &CmdArgs)
const {
983 if ((!Args.hasArg(options::OPT_coverage)) &&
984 (!Args.hasArg(options::OPT_ftest_coverage)))
985 CmdArgs.push_back(Args.MakeArgString(
986 Twine(
"-u", llvm::getInstrProfRuntimeHookVarName())));
const IncludeDirsFunc & includeDirsCallback() const
constexpr XRayInstrMask Function
const IncludeDirsFunc & filePathsCallback() const
Distro - Helper class for detecting and classifying Linux distributions.
const std::string & includeSuffix() const
Get the include directory suffix.
std::string Dir
The path the driver executable was in, as invoked from the command line.
const std::string & gccSuffix() const
Get the detected GCC installation path suffix for the multi-arch target variant.
static StringRef getOSLibDir(const llvm::Triple &Triple, const ArgList &Args)
const std::string & osSuffix() const
Get the detected os path suffix for the multi-arch target variant.
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
llvm::vfs::FileSystem & getVFS() const
This corresponds to a single GCC Multilib, or a segment of one controlled by a command line flag...
void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const
bool IsAlpineLinux() const
static void addMultilibsFilePaths(const Driver &D, const MultilibSet &Multilibs, const Multilib &Multilib, StringRef InstallPath, ToolChain::path_list &Paths)
Dataflow Directional Tag Classes.
std::string SysRoot
sysroot, if present
const char * getInstalledDir() const
Get the path to where the clang executable was installed.
std::string ResourceDir
The path to the compiler resource directory.