| //===--- MinGWToolChain.cpp - MinGWToolChain Implementation ---------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ToolChains.h" |
| #include "clang/Driver/Driver.h" |
| #include "clang/Driver/Options.h" |
| #include "llvm/Option/ArgList.h" |
| #include "llvm/Support/FileSystem.h" |
| #include "llvm/Support/Path.h" |
| |
| using namespace clang::diag; |
| using namespace clang::driver; |
| using namespace clang::driver::toolchains; |
| using namespace clang; |
| using namespace llvm::opt; |
| |
| MinGW::MinGW(const Driver &D, const llvm::Triple &Triple, const ArgList &Args) |
| : ToolChain(D, Triple, Args) { |
| getProgramPaths().push_back(getDriver().getInstalledDir()); |
| |
| llvm::SmallString<1024> LibDir; |
| |
| #ifdef LLVM_ON_WIN32 |
| if (getDriver().SysRoot.size()) |
| Base = getDriver().SysRoot; |
| else if (llvm::ErrorOr<std::string> GPPName = |
| llvm::sys::findProgramByName("gcc")) |
| Base = llvm::sys::path::parent_path( |
| llvm::sys::path::parent_path(GPPName.get())); |
| else |
| Base = llvm::sys::path::parent_path(getDriver().getInstalledDir()); |
| Base += llvm::sys::path::get_separator(); |
| LibDir = Base; |
| llvm::sys::path::append(LibDir, "lib", "gcc"); |
| #else |
| if (getDriver().SysRoot.size()) |
| Base = getDriver().SysRoot; |
| else |
| Base = "/usr/"; |
| LibDir = Base; |
| llvm::sys::path::append(LibDir, "lib64", "gcc"); |
| #endif |
| |
| LibDir += llvm::sys::path::get_separator(); |
| |
| // First look for mingw-w64. |
| Arch = getTriple().getArchName(); |
| Arch += "-w64-mingw32"; |
| std::error_code EC; |
| llvm::sys::fs::directory_iterator MingW64Entry(LibDir + Arch, EC); |
| if (!EC) { |
| GccLibDir = MingW64Entry->path(); |
| Ver = llvm::sys::path::filename(GccLibDir); |
| } else { |
| // If mingw-w64 not found, try looking for mingw.org. |
| Arch = "mingw32"; |
| llvm::sys::fs::directory_iterator MingwOrgEntry(LibDir + Arch, EC); |
| if (!EC) |
| GccLibDir = MingwOrgEntry->path(); |
| } |
| Arch += llvm::sys::path::get_separator(); |
| // GccLibDir must precede Base/lib so that the |
| // correct crtbegin.o ,cetend.o would be found. |
| getFilePaths().push_back(GccLibDir); |
| getFilePaths().push_back(Base + "lib"); |
| getFilePaths().push_back(Base + Arch + "lib"); |
| #ifdef LLVM_ON_UNIX |
| // For openSUSE. |
| getFilePaths().push_back(Base + Arch + "sys-root/mingw/lib"); |
| #endif |
| } |
| |
| bool MinGW::IsIntegratedAssemblerDefault() const { return true; } |
| |
| Tool *MinGW::getTool(Action::ActionClass AC) const { |
| switch (AC) { |
| case Action::PreprocessJobClass: |
| if (!Preprocessor) |
| Preprocessor.reset(new tools::gcc::Preprocessor(*this)); |
| return Preprocessor.get(); |
| case Action::CompileJobClass: |
| if (!Compiler) |
| Compiler.reset(new tools::gcc::Compiler(*this)); |
| return Compiler.get(); |
| default: |
| return ToolChain::getTool(AC); |
| } |
| } |
| |
| Tool *MinGW::buildAssembler() const { |
| return new tools::MinGW::Assembler(*this); |
| } |
| |
| Tool *MinGW::buildLinker() const { return new tools::MinGW::Linker(*this); } |
| |
| bool MinGW::IsUnwindTablesDefault() const { |
| return getArch() == llvm::Triple::x86_64; |
| } |
| |
| bool MinGW::isPICDefault() const { return getArch() == llvm::Triple::x86_64; } |
| |
| bool MinGW::isPIEDefault() const { return false; } |
| |
| bool MinGW::isPICDefaultForced() const { |
| return getArch() == llvm::Triple::x86_64; |
| } |
| |
| bool MinGW::UseSEHExceptions() const { |
| return getArch() == llvm::Triple::x86_64; |
| } |
| |
| void MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs, |
| ArgStringList &CC1Args) const { |
| if (DriverArgs.hasArg(options::OPT_nostdinc)) |
| return; |
| |
| if (!DriverArgs.hasArg(options::OPT_nobuiltininc)) { |
| SmallString<1024> P(getDriver().ResourceDir); |
| llvm::sys::path::append(P, "include"); |
| addSystemInclude(DriverArgs, CC1Args, P.str()); |
| } |
| |
| if (DriverArgs.hasArg(options::OPT_nostdlibinc)) |
| return; |
| |
| llvm::SmallString<1024> IncludeDir(GccLibDir); |
| llvm::sys::path::append(IncludeDir, "include"); |
| addSystemInclude(DriverArgs, CC1Args, IncludeDir.c_str()); |
| IncludeDir += "-fixed"; |
| #ifdef LLVM_ON_UNIX |
| // For openSUSE. |
| addSystemInclude(DriverArgs, CC1Args, |
| "/usr/x86_64-w64-mingw32/sys-root/mingw/include"); |
| #endif |
| addSystemInclude(DriverArgs, CC1Args, IncludeDir.c_str()); |
| addSystemInclude(DriverArgs, CC1Args, Base + Arch + "include"); |
| addSystemInclude(DriverArgs, CC1Args, Base + "include"); |
| } |
| |
| void MinGW::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, |
| ArgStringList &CC1Args) const { |
| if (DriverArgs.hasArg(options::OPT_nostdlibinc) || |
| DriverArgs.hasArg(options::OPT_nostdincxx)) |
| return; |
| |
| // C++ includes may be found in several locations depending on distribution. |
| // Windows |
| // ------- |
| // mingw-w64 mingw-builds: $sysroot/i686-w64-mingw32/include/c++. |
| // mingw-w64 msys2: $sysroot/include/c++/4.9.2 |
| // mingw.org: GccLibDir/include/c++ |
| // |
| // Linux |
| // ----- |
| // openSUSE: GccLibDir/include/c++ |
| llvm::SmallVector<llvm::SmallString<1024>, 3> CppIncludeBases; |
| CppIncludeBases.emplace_back(Base); |
| llvm::sys::path::append(CppIncludeBases[0], Arch, "include", "c++"); |
| CppIncludeBases.emplace_back(Base); |
| llvm::sys::path::append(CppIncludeBases[1], "include", "c++", Ver); |
| CppIncludeBases.emplace_back(GccLibDir); |
| llvm::sys::path::append(CppIncludeBases[2], "include", "c++"); |
| for (auto &CppIncludeBase : CppIncludeBases) { |
| CppIncludeBase += llvm::sys::path::get_separator(); |
| addSystemInclude(DriverArgs, CC1Args, CppIncludeBase); |
| addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + Arch); |
| addSystemInclude(DriverArgs, CC1Args, CppIncludeBase + "backward"); |
| } |
| } |