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Support mingw toolchain include and lib directories on Arch Linux. 

Thanks to Thomas Pochtrager for testing this!

llvm-svn: 242660
This commit is contained in:
Yaron Keren 2015-07-20 06:38:39 +00:00
parent 82efabbb27
commit 658df8b2ee
1 changed files with 40 additions and 27 deletions
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67
clang/lib/Driver/MinGWToolChain.cpp
View File

@ -26,6 +26,8 @@ MinGW::MinGW(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
llvm::SmallString<1024> LibDir;
// In Windows there aren't any standard install locations, we search
// for gcc on the PATH. In Liunx the base is always /usr.
#ifdef LLVM_ON_WIN32
if (getDriver().SysRoot.size())
Base = getDriver().SysRoot;
@ -36,42 +38,48 @@ MinGW::MinGW(const Driver &D, const llvm::Triple &Triple, const ArgList &Args)
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 {
// By default Arch is for mingw-w64.
Arch = (getTriple().getArchName() + "-w64-mingw32").str();
// lib: Arch Linux, Ubuntu, Windows
// lib64: openSUSE Linux
for (StringRef Lib : {"lib", "lib64 "}) {
LibDir = Base;
llvm::sys::path::append(LibDir, Lib, "gcc");
LibDir += llvm::sys::path::get_separator();
std::error_code EC;
// First look for mingw-w64.
llvm::sys::fs::directory_iterator MingW64Entry(LibDir + Arch, EC);
if (!EC) {
GccLibDir = MingW64Entry->path();
Ver = llvm::sys::path::filename(GccLibDir);
break;
}
// If mingw-w64 not found, try looking for mingw.org.
Arch = "mingw32";
llvm::sys::fs::directory_iterator MingwOrgEntry(LibDir + Arch, EC);
if (!EC)
llvm::sys::fs::directory_iterator MingwOrgEntry(LibDir + "mingw32", EC);
if (!EC) {
GccLibDir = MingwOrgEntry->path();
// Replace Arch with mingw32 arch.
Arch = "mingw32";
break;
}
}
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.
#ifdef LLVM_ON_WIN32
getFilePaths().push_back(Base + "lib");
#else
// openSUSE
getFilePaths().push_back(Base + Arch + "sys-root/mingw/lib");
#endif
}
@ -134,7 +142,7 @@ void MinGW::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
addSystemInclude(DriverArgs, CC1Args, IncludeDir.c_str());
IncludeDir += "-fixed";
#ifdef LLVM_ON_UNIX
// For openSUSE.
// openSUSE
addSystemInclude(DriverArgs, CC1Args,
"/usr/x86_64-w64-mingw32/sys-root/mingw/include");
#endif
@ -149,23 +157,28 @@ void MinGW::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
DriverArgs.hasArg(options::OPT_nostdincxx))
return;
// C++ includes may be found in several locations depending on distribution.
// C++ includes locations are different with almost every mingw distribution.
//
// Windows
// -------
// mingw-w64 mingw-builds: $sysroot/i686-w64-mingw32/include/c++.
// 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;
// Arch: $sysroot/i686-w64-mingw32/include/c++/5.1.0
//
llvm::SmallVector<llvm::SmallString<1024>, 4> 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);
llvm::sys::path::append(CppIncludeBases[1], Arch, "include", "c++", Ver);
CppIncludeBases.emplace_back(Base);
llvm::sys::path::append(CppIncludeBases[2], "include", "c++", Ver);
CppIncludeBases.emplace_back(GccLibDir);
llvm::sys::path::append(CppIncludeBases[2], "include", "c++");
llvm::sys::path::append(CppIncludeBases[3], "include", "c++");
for (auto &CppIncludeBase : CppIncludeBases) {
CppIncludeBase += llvm::sys::path::get_separator();
addSystemInclude(DriverArgs, CC1Args, CppIncludeBase);