clang  5.0.0
MinGW.cpp
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1 //===--- MinGW.cpp - MinGWToolChain Implementation ------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "MinGW.h"
11 #include "InputInfo.h"
12 #include "CommonArgs.h"
14 #include "clang/Driver/Driver.h"
16 #include "clang/Driver/Options.h"
17 #include "llvm/Option/ArgList.h"
18 #include "llvm/Support/FileSystem.h"
19 #include "llvm/Support/Path.h"
20 #include <system_error>
21 
22 using namespace clang::diag;
23 using namespace clang::driver;
24 using namespace clang;
25 using namespace llvm::opt;
26 
27 /// MinGW Tools
28 void tools::MinGW::Assembler::ConstructJob(Compilation &C, const JobAction &JA,
29  const InputInfo &Output,
30  const InputInfoList &Inputs,
31  const ArgList &Args,
32  const char *LinkingOutput) const {
33  claimNoWarnArgs(Args);
34  ArgStringList CmdArgs;
35 
36  if (getToolChain().getArch() == llvm::Triple::x86) {
37  CmdArgs.push_back("--32");
38  } else if (getToolChain().getArch() == llvm::Triple::x86_64) {
39  CmdArgs.push_back("--64");
40  }
41 
42  Args.AddAllArgValues(CmdArgs, options::OPT_Wa_COMMA, options::OPT_Xassembler);
43 
44  CmdArgs.push_back("-o");
45  CmdArgs.push_back(Output.getFilename());
46 
47  for (const auto &II : Inputs)
48  CmdArgs.push_back(II.getFilename());
49 
50  const char *Exec = Args.MakeArgString(getToolChain().GetProgramPath("as"));
51  C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
52 
53  if (Args.hasArg(options::OPT_gsplit_dwarf))
54  SplitDebugInfo(getToolChain(), C, *this, JA, Args, Output,
55  SplitDebugName(Args, Inputs[0]));
56 }
57 
58 void tools::MinGW::Linker::AddLibGCC(const ArgList &Args,
59  ArgStringList &CmdArgs) const {
60  if (Args.hasArg(options::OPT_mthreads))
61  CmdArgs.push_back("-lmingwthrd");
62  CmdArgs.push_back("-lmingw32");
63 
64  // Make use of compiler-rt if --rtlib option is used
65  ToolChain::RuntimeLibType RLT = getToolChain().GetRuntimeLibType(Args);
66  if (RLT == ToolChain::RLT_Libgcc) {
67  bool Static = Args.hasArg(options::OPT_static_libgcc) ||
68  Args.hasArg(options::OPT_static);
69  bool Shared = Args.hasArg(options::OPT_shared);
70  bool CXX = getToolChain().getDriver().CCCIsCXX();
71 
72  if (Static || (!CXX && !Shared)) {
73  CmdArgs.push_back("-lgcc");
74  CmdArgs.push_back("-lgcc_eh");
75  } else {
76  CmdArgs.push_back("-lgcc_s");
77  CmdArgs.push_back("-lgcc");
78  }
79  } else {
80  AddRunTimeLibs(getToolChain(), getToolChain().getDriver(), CmdArgs, Args);
81  }
82 
83  CmdArgs.push_back("-lmoldname");
84  CmdArgs.push_back("-lmingwex");
85  CmdArgs.push_back("-lmsvcrt");
86 }
87 
88 void tools::MinGW::Linker::ConstructJob(Compilation &C, const JobAction &JA,
89  const InputInfo &Output,
90  const InputInfoList &Inputs,
91  const ArgList &Args,
92  const char *LinkingOutput) const {
93  const ToolChain &TC = getToolChain();
94  const Driver &D = TC.getDriver();
95  // const SanitizerArgs &Sanitize = TC.getSanitizerArgs();
96 
97  ArgStringList CmdArgs;
98 
99  // Silence warning for "clang -g foo.o -o foo"
100  Args.ClaimAllArgs(options::OPT_g_Group);
101  // and "clang -emit-llvm foo.o -o foo"
102  Args.ClaimAllArgs(options::OPT_emit_llvm);
103  // and for "clang -w foo.o -o foo". Other warning options are already
104  // handled somewhere else.
105  Args.ClaimAllArgs(options::OPT_w);
106 
107  StringRef LinkerName = Args.getLastArgValue(options::OPT_fuse_ld_EQ, "ld");
108  if (LinkerName.equals_lower("lld")) {
109  CmdArgs.push_back("-flavor");
110  CmdArgs.push_back("gnu");
111  } else if (!LinkerName.equals_lower("ld")) {
112  D.Diag(diag::err_drv_unsupported_linker) << LinkerName;
113  }
114 
115  if (!D.SysRoot.empty())
116  CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
117 
118  if (Args.hasArg(options::OPT_s))
119  CmdArgs.push_back("-s");
120 
121  CmdArgs.push_back("-m");
122  if (TC.getArch() == llvm::Triple::x86)
123  CmdArgs.push_back("i386pe");
124  if (TC.getArch() == llvm::Triple::x86_64)
125  CmdArgs.push_back("i386pep");
126  if (TC.getArch() == llvm::Triple::arm)
127  CmdArgs.push_back("thumb2pe");
128 
129  if (Args.hasArg(options::OPT_mwindows)) {
130  CmdArgs.push_back("--subsystem");
131  CmdArgs.push_back("windows");
132  } else if (Args.hasArg(options::OPT_mconsole)) {
133  CmdArgs.push_back("--subsystem");
134  CmdArgs.push_back("console");
135  }
136 
137  if (Args.hasArg(options::OPT_static))
138  CmdArgs.push_back("-Bstatic");
139  else {
140  if (Args.hasArg(options::OPT_mdll))
141  CmdArgs.push_back("--dll");
142  else if (Args.hasArg(options::OPT_shared))
143  CmdArgs.push_back("--shared");
144  CmdArgs.push_back("-Bdynamic");
145  if (Args.hasArg(options::OPT_mdll) || Args.hasArg(options::OPT_shared)) {
146  CmdArgs.push_back("-e");
147  if (TC.getArch() == llvm::Triple::x86)
148  CmdArgs.push_back("_DllMainCRTStartup@12");
149  else
150  CmdArgs.push_back("DllMainCRTStartup");
151  CmdArgs.push_back("--enable-auto-image-base");
152  }
153  }
154 
155  CmdArgs.push_back("-o");
156  CmdArgs.push_back(Output.getFilename());
157 
158  Args.AddAllArgs(CmdArgs, options::OPT_e);
159  // FIXME: add -N, -n flags
160  Args.AddLastArg(CmdArgs, options::OPT_r);
161  Args.AddLastArg(CmdArgs, options::OPT_s);
162  Args.AddLastArg(CmdArgs, options::OPT_t);
163  Args.AddAllArgs(CmdArgs, options::OPT_u_Group);
164  Args.AddLastArg(CmdArgs, options::OPT_Z_Flag);
165 
166  if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
167  if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_mdll)) {
168  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("dllcrt2.o")));
169  } else {
170  if (Args.hasArg(options::OPT_municode))
171  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2u.o")));
172  else
173  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crt2.o")));
174  }
175  if (Args.hasArg(options::OPT_pg))
176  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("gcrt2.o")));
177  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtbegin.o")));
178  }
179 
180  Args.AddAllArgs(CmdArgs, options::OPT_L);
181  TC.AddFilePathLibArgs(Args, CmdArgs);
182  AddLinkerInputs(TC, Inputs, Args, CmdArgs, JA);
183 
184  // TODO: Add ASan stuff here
185 
186  // TODO: Add profile stuff here
187 
188  if (D.CCCIsCXX() &&
189  !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
190  bool OnlyLibstdcxxStatic = Args.hasArg(options::OPT_static_libstdcxx) &&
191  !Args.hasArg(options::OPT_static);
192  if (OnlyLibstdcxxStatic)
193  CmdArgs.push_back("-Bstatic");
194  TC.AddCXXStdlibLibArgs(Args, CmdArgs);
195  if (OnlyLibstdcxxStatic)
196  CmdArgs.push_back("-Bdynamic");
197  }
198 
199  if (!Args.hasArg(options::OPT_nostdlib)) {
200  if (!Args.hasArg(options::OPT_nodefaultlibs)) {
201  if (Args.hasArg(options::OPT_static))
202  CmdArgs.push_back("--start-group");
203 
204  if (Args.hasArg(options::OPT_fstack_protector) ||
205  Args.hasArg(options::OPT_fstack_protector_strong) ||
206  Args.hasArg(options::OPT_fstack_protector_all)) {
207  CmdArgs.push_back("-lssp_nonshared");
208  CmdArgs.push_back("-lssp");
209  }
210  if (Args.hasArg(options::OPT_fopenmp))
211  CmdArgs.push_back("-lgomp");
212 
213  AddLibGCC(Args, CmdArgs);
214 
215  if (Args.hasArg(options::OPT_pg))
216  CmdArgs.push_back("-lgmon");
217 
218  if (Args.hasArg(options::OPT_pthread))
219  CmdArgs.push_back("-lpthread");
220 
221  // add system libraries
222  if (Args.hasArg(options::OPT_mwindows)) {
223  CmdArgs.push_back("-lgdi32");
224  CmdArgs.push_back("-lcomdlg32");
225  }
226  CmdArgs.push_back("-ladvapi32");
227  CmdArgs.push_back("-lshell32");
228  CmdArgs.push_back("-luser32");
229  CmdArgs.push_back("-lkernel32");
230 
231  if (Args.hasArg(options::OPT_static))
232  CmdArgs.push_back("--end-group");
233  else if (!LinkerName.equals_lower("lld"))
234  AddLibGCC(Args, CmdArgs);
235  }
236 
237  if (!Args.hasArg(options::OPT_nostartfiles)) {
238  // Add crtfastmath.o if available and fast math is enabled.
239  TC.AddFastMathRuntimeIfAvailable(Args, CmdArgs);
240 
241  CmdArgs.push_back(Args.MakeArgString(TC.GetFilePath("crtend.o")));
242  }
243  }
244  const char *Exec = Args.MakeArgString(TC.GetProgramPath(LinkerName.data()));
245  C.addCommand(llvm::make_unique<Command>(JA, *this, Exec, CmdArgs, Inputs));
246 }
247 
248 // Simplified from Generic_GCC::GCCInstallationDetector::ScanLibDirForGCCTriple.
249 static bool findGccVersion(StringRef LibDir, std::string &GccLibDir,
250  std::string &Ver) {
251  auto Version = toolchains::Generic_GCC::GCCVersion::Parse("0.0.0");
252  std::error_code EC;
253  for (llvm::sys::fs::directory_iterator LI(LibDir, EC), LE; !EC && LI != LE;
254  LI = LI.increment(EC)) {
255  StringRef VersionText = llvm::sys::path::filename(LI->path());
256  auto CandidateVersion =
257  toolchains::Generic_GCC::GCCVersion::Parse(VersionText);
258  if (CandidateVersion.Major == -1)
259  continue;
260  if (CandidateVersion <= Version)
261  continue;
262  Ver = VersionText;
263  GccLibDir = LI->path();
264  }
265  return Ver.size();
266 }
267 
268 void toolchains::MinGW::findGccLibDir() {
270  Archs.emplace_back(getTriple().getArchName());
271  Archs[0] += "-w64-mingw32";
272  Archs.emplace_back("mingw32");
273  Arch = Archs[0].str();
274  // lib: Arch Linux, Ubuntu, Windows
275  // lib64: openSUSE Linux
276  for (StringRef CandidateLib : {"lib", "lib64"}) {
277  for (StringRef CandidateArch : Archs) {
279  llvm::sys::path::append(LibDir, CandidateLib, "gcc", CandidateArch);
280  if (findGccVersion(LibDir, GccLibDir, Ver)) {
281  Arch = CandidateArch;
282  return;
283  }
284  }
285  }
286 }
287 
288 llvm::ErrorOr<std::string> toolchains::MinGW::findGcc() {
290  Gccs.emplace_back(getTriple().getArchName());
291  Gccs[0] += "-w64-mingw32-gcc";
292  Gccs.emplace_back("mingw32-gcc");
293  // Please do not add "gcc" here
294  for (StringRef CandidateGcc : Gccs)
295  if (llvm::ErrorOr<std::string> GPPName = llvm::sys::findProgramByName(CandidateGcc))
296  return GPPName;
297  return make_error_code(std::errc::no_such_file_or_directory);
298 }
299 
300 toolchains::MinGW::MinGW(const Driver &D, const llvm::Triple &Triple,
301  const ArgList &Args)
302  : ToolChain(D, Triple, Args), CudaInstallation(D, Triple, Args) {
303  getProgramPaths().push_back(getDriver().getInstalledDir());
304 
305  if (getDriver().SysRoot.size())
306  Base = getDriver().SysRoot;
307  else if (llvm::ErrorOr<std::string> GPPName = findGcc())
308  Base = llvm::sys::path::parent_path(
309  llvm::sys::path::parent_path(GPPName.get()));
310  else
311  Base = llvm::sys::path::parent_path(getDriver().getInstalledDir());
312 
313  Base += llvm::sys::path::get_separator();
314  findGccLibDir();
315  // GccLibDir must precede Base/lib so that the
316  // correct crtbegin.o ,cetend.o would be found.
317  getFilePaths().push_back(GccLibDir);
318  getFilePaths().push_back(
319  (Base + Arch + llvm::sys::path::get_separator() + "lib").str());
320  getFilePaths().push_back(Base + "lib");
321  // openSUSE
322  getFilePaths().push_back(Base + Arch + "/sys-root/mingw/lib");
323 }
324 
326 
328  switch (AC) {
330  if (!Preprocessor)
331  Preprocessor.reset(new tools::gcc::Preprocessor(*this));
332  return Preprocessor.get();
334  if (!Compiler)
335  Compiler.reset(new tools::gcc::Compiler(*this));
336  return Compiler.get();
337  default:
338  return ToolChain::getTool(AC);
339  }
340 }
341 
343  return new tools::MinGW::Assembler(*this);
344 }
345 
347  return new tools::MinGW::Linker(*this);
348 }
349 
350 bool toolchains::MinGW::IsUnwindTablesDefault(const ArgList &Args) const {
351  return getArch() == llvm::Triple::x86_64;
352 }
353 
355  return getArch() == llvm::Triple::x86_64;
356 }
357 
358 bool toolchains::MinGW::isPIEDefault() const { return false; }
359 
361  return getArch() == llvm::Triple::x86_64;
362 }
363 
365  return getArch() == llvm::Triple::x86_64;
366 }
367 
368 void toolchains::MinGW::AddCudaIncludeArgs(const ArgList &DriverArgs,
369  ArgStringList &CC1Args) const {
370  CudaInstallation.AddCudaIncludeArgs(DriverArgs, CC1Args);
371 }
372 
373 void toolchains::MinGW::printVerboseInfo(raw_ostream &OS) const {
374  CudaInstallation.print(OS);
375 }
376 
377 // Include directories for various hosts:
378 
379 // Windows, mingw.org
380 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++
381 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\mingw32
382 // c:\mingw\lib\gcc\mingw32\4.8.1\include\c++\backward
383 // c:\mingw\include
384 // c:\mingw\mingw32\include
385 
386 // Windows, mingw-w64 mingw-builds
387 // c:\mingw32\i686-w64-mingw32\include
388 // c:\mingw32\i686-w64-mingw32\include\c++
389 // c:\mingw32\i686-w64-mingw32\include\c++\i686-w64-mingw32
390 // c:\mingw32\i686-w64-mingw32\include\c++\backward
391 
392 // Windows, mingw-w64 msys2
393 // c:\msys64\mingw32\include
394 // c:\msys64\mingw32\i686-w64-mingw32\include
395 // c:\msys64\mingw32\include\c++\4.9.2
396 // c:\msys64\mingw32\include\c++\4.9.2\i686-w64-mingw32
397 // c:\msys64\mingw32\include\c++\4.9.2\backward
398 
399 // openSUSE
400 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++
401 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/x86_64-w64-mingw32
402 // /usr/lib64/gcc/x86_64-w64-mingw32/5.1.0/include/c++/backward
403 // /usr/x86_64-w64-mingw32/sys-root/mingw/include
404 
405 // Arch Linux
406 // /usr/i686-w64-mingw32/include/c++/5.1.0
407 // /usr/i686-w64-mingw32/include/c++/5.1.0/i686-w64-mingw32
408 // /usr/i686-w64-mingw32/include/c++/5.1.0/backward
409 // /usr/i686-w64-mingw32/include
410 
411 // Ubuntu
412 // /usr/include/c++/4.8
413 // /usr/include/c++/4.8/x86_64-w64-mingw32
414 // /usr/include/c++/4.8/backward
415 // /usr/x86_64-w64-mingw32/include
416 
417 void toolchains::MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
418  ArgStringList &CC1Args) const {
419  if (DriverArgs.hasArg(options::OPT_nostdinc))
420  return;
421 
422  if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) {
423  SmallString<1024> P(getDriver().ResourceDir);
424  llvm::sys::path::append(P, "include");
425  addSystemInclude(DriverArgs, CC1Args, P.str());
426  }
427 
428  if (DriverArgs.hasArg(options::OPT_nostdlibinc))
429  return;
430 
431  if (GetRuntimeLibType(DriverArgs) == ToolChain::RLT_Libgcc) {
432  // openSUSE
433  addSystemInclude(DriverArgs, CC1Args,
434  Base + Arch + "/sys-root/mingw/include");
435  }
436 
437  addSystemInclude(DriverArgs, CC1Args,
438  Base + Arch + llvm::sys::path::get_separator() + "include");
439  addSystemInclude(DriverArgs, CC1Args, Base + "include");
440 }
441 
443  const ArgList &DriverArgs, ArgStringList &CC1Args) const {
444  if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
445  DriverArgs.hasArg(options::OPT_nostdincxx))
446  return;
447 
448  switch (GetCXXStdlibType(DriverArgs)) {
450  addSystemInclude(DriverArgs, CC1Args,
451  Base + "include" + llvm::sys::path::get_separator() +
452  "c++" + llvm::sys::path::get_separator() + "v1");
453  break;
454 
456  llvm::SmallVector<llvm::SmallString<1024>, 4> CppIncludeBases;
457  CppIncludeBases.emplace_back(Base);
458  llvm::sys::path::append(CppIncludeBases[0], Arch, "include", "c++");
459  CppIncludeBases.emplace_back(Base);
460  llvm::sys::path::append(CppIncludeBases[1], Arch, "include", "c++", Ver);
461  CppIncludeBases.emplace_back(Base);
462  llvm::sys::path::append(CppIncludeBases[2], "include", "c++", Ver);
463  CppIncludeBases.emplace_back(GccLibDir);
464  llvm::sys::path::append(CppIncludeBases[3], "include", "c++");
465  for (auto &CppIncludeBase : CppIncludeBases) {
466  addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);
467  CppIncludeBase += llvm::sys::path::get_separator();
468  addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + Arch);
469  addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward");
470  }
471  break;
472  }
473 }
void AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Add the clang cc1 arguments for system include paths.
Definition: MinGW.cpp:417
static bool findGccVersion(StringRef LibDir, std::string &GccLibDir, std::string &Ver)
Definition: MinGW.cpp:249
virtual Tool * getTool(Action::ActionClass AC) const
Definition: ToolChain.cpp:262
Tool * getTool(Action::ActionClass AC) const override
Definition: MinGW.cpp:327
std::string GetProgramPath(const char *Name) const
Definition: ToolChain.cpp:371
virtual bool AddFastMathRuntimeIfAvailable(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddFastMathRuntimeIfAvailable - If a runtime library exists that sets global flags for unsafe floatin...
Definition: ToolChain.cpp:678
StringRef P
void AddRunTimeLibs(const ToolChain &TC, const Driver &D, llvm::opt::ArgStringList &CmdArgs, const llvm::opt::ArgList &Args)
DiagnosticBuilder Diag(unsigned DiagID) const
Definition: Driver.h:116
llvm::Triple::ArchType getArch() const
Definition: ToolChain.h:153
bool CCCIsCXX() const
Whether the driver should follow g++ like behavior.
Definition: Driver.h:174
bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override
IsUnwindTablesDefault - Does this tool chain use -funwind-tables by default.
Definition: MinGW.cpp:350
path_list & getProgramPaths()
Definition: ToolChain.h:175
Tool * buildLinker() const override
Definition: MinGW.cpp:346
bool isPIEDefault() const override
Test whether this toolchain defaults to PIE.
Definition: MinGW.cpp:358
std::error_code make_error_code(BuildPreambleError Error)
InputInfo - Wrapper for information about an input source.
Definition: InputInfo.h:23
virtual void AddCXXStdlibLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddCXXStdlibLibArgs - Add the system specific linker arguments to use for the given C++ standard libr...
Definition: ToolChain.cpp:651
path_list & getFilePaths()
Definition: ToolChain.h:172
Driver - Encapsulate logic for constructing compilation processes from a set of gcc-driver-like comma...
Definition: Driver.h:65
const Driver & getDriver() const
Definition: ToolChain.h:142
void printVerboseInfo(raw_ostream &OS) const override
Dispatch to the specific toolchain for verbose printing.
Definition: MinGW.cpp:373
Tool * buildAssembler() const override
Definition: MinGW.cpp:342
const char * SplitDebugName(const llvm::opt::ArgList &Args, const InputInfo &Input)
void addCommand(std::unique_ptr< Command > C)
Definition: Compilation.h:189
const char * getFilename() const
Definition: InputInfo.h:84
bool isPICDefaultForced() const override
Tests whether this toolchain forces its default for PIC, PIE or non-PIC.
Definition: MinGW.cpp:360
void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
Add arguments to use system-specific CUDA includes.
Definition: MinGW.cpp:368
void SplitDebugInfo(const ToolChain &TC, Compilation &C, const Tool &T, const JobAction &JA, const llvm::opt::ArgList &Args, const InputInfo &Output, const char *OutFile)
bool UseSEHExceptions() const
Definition: MinGW.cpp:364
void AddLinkerInputs(const ToolChain &TC, const InputInfoList &Inputs, const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs, const JobAction &JA)
std::string SysRoot
sysroot, if present
Definition: Driver.h:146
Tool - Information on a specific compilation tool.
Definition: Tool.h:34
void claimNoWarnArgs(const llvm::opt::ArgList &Args)
Compilation - A set of tasks to perform for a single driver invocation.
Definition: Compilation.h:34
void AddFilePathLibArgs(const llvm::opt::ArgList &Args, llvm::opt::ArgStringList &CmdArgs) const
AddFilePathLibArgs - Add each thing in getFilePaths() as a "-L" option.
Definition: ToolChain.cpp:666
bool IsIntegratedAssemblerDefault() const override
IsIntegratedAssemblerDefault - Does this tool chain enable -integrated-as by default.
Definition: MinGW.cpp:325
bool isPICDefault() const override
Test whether this toolchain defaults to PIC.
Definition: MinGW.cpp:354
void AddClangCXXStdlibIncludeArgs(const llvm::opt::ArgList &DriverArgs, llvm::opt::ArgStringList &CC1Args) const override
AddClangCXXStdlibIncludeArgs - Add the clang -cc1 level arguments to set the include paths to use for...
Definition: MinGW.cpp:442
std::string GetFilePath(const char *Name) const
Definition: ToolChain.cpp:367
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
Definition: Preprocessor.h:98
ToolChain - Access to tools for a single platform.
Definition: ToolChain.h:50