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Teach mingw toolchain the msys2 mingw-w64 distribution C++ dirs. 

llvm-svn: 241432
This commit is contained in:
Yaron Keren 2015-07-06 07:40:10 +00:00
parent 839a25a8a7
commit 763a38a80c
2 changed files with 18 additions and 11 deletions
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28
clang/lib/Driver/MinGWToolChain.cpp
View File

@ -45,6 +45,7 @@ MinGW::MinGW(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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";
@ -128,16 +129,21 @@ void MinGW::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
DriverArgs.hasArg(options::OPT_nostdincxx))
return;
llvm::SmallString<1024> IncludeDir;
for (bool MingW64 : {true, false}) {
if (MingW64)
IncludeDir = Base + Arch;
else
IncludeDir = GccLibDir;
llvm::sys::path::append(IncludeDir, "include", "c++");
addSystemInclude(DriverArgs, CC1Args, IncludeDir.str());
IncludeDir += llvm::sys::path::get_separator();
addSystemInclude(DriverArgs, CC1Args, IncludeDir.str() + Arch);
addSystemInclude(DriverArgs, CC1Args, IncludeDir.str() + "backward");
// C++ includes may be found in several locations depending on distribution.
// mingw-w64 mingw-builds: $sysroot/i686-w64-mingw32/include/c++.
// mingw-w64 msys2: $sysroot/include/c++/4.9.2
// mingw.org: 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");
}
}

1
clang/lib/Driver/ToolChains.h
View File

@ -552,6 +552,7 @@ protected:
private:
std::string Base;
std::string GccLibDir;
std::string Ver;
std::string Arch;
mutable std::unique_ptr<tools::gcc::Preprocessor> Preprocessor;
mutable std::unique_ptr<tools::gcc::Compiler> Compiler;