Hexagon TC: Update toolchain to add appropriate include
paths
- Inherit from Linux rather than ToolChain
- Override AddClangSystemIncludeArgs and AddClangCXXStdlibIncludeArgs
to properly set include paths.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@169495 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
index e036ee2..ac43126 100644
--- a/lib/Driver/ToolChains.cpp
+++ b/lib/Driver/ToolChains.cpp
@@ -1402,11 +1402,46 @@
/// Hexagon Toolchain
-Hexagon_TC::Hexagon_TC(const Driver &D, const llvm::Triple& Triple)
- : ToolChain(D, Triple) {
- getProgramPaths().push_back(getDriver().getInstalledDir());
- if (getDriver().getInstalledDir() != getDriver().Dir.c_str())
- getProgramPaths().push_back(getDriver().Dir);
+std::string Hexagon_TC::GetGnuDir(const std::string &InstalledDir) {
+
+ // Locate the rest of the toolchain ...
+ if (strlen(GCC_INSTALL_PREFIX))
+ return std::string(GCC_INSTALL_PREFIX);
+
+ std::string InstallRelDir = InstalledDir + "/../../gnu";
+ if (llvm::sys::fs::exists(InstallRelDir))
+ return InstallRelDir;
+
+ std::string PrefixRelDir = std::string(LLVM_PREFIX) + "/../gnu";
+ if (llvm::sys::fs::exists(PrefixRelDir))
+ return PrefixRelDir;
+
+ return InstallRelDir;
+}
+
+Hexagon_TC::Hexagon_TC(const Driver &D, const llvm::Triple &Triple,
+ const ArgList &Args)
+ : Linux(D, Triple, Args) {
+ const std::string InstalledDir(getDriver().getInstalledDir());
+ const std::string GnuDir = Hexagon_TC::GetGnuDir(InstalledDir);
+
+ // Note: Generic_GCC::Generic_GCC adds InstalledDir and getDriver().Dir to
+ // program paths
+ const std::string BinDir(GnuDir + "/bin");
+ if (llvm::sys::fs::exists(BinDir))
+ getProgramPaths().push_back(BinDir);
+
+ // Determine version of GCC libraries and headers to use.
+ const std::string HexagonDir(GnuDir + "/lib/gcc/hexagon");
+ llvm::error_code ec;
+ GCCVersion MaxVersion= GCCVersion::Parse("0.0.0");
+ for (llvm::sys::fs::directory_iterator di(HexagonDir, ec), de;
+ !ec && di != de; di = di.increment(ec)) {
+ GCCVersion cv = GCCVersion::Parse(llvm::sys::path::filename(di->path()));
+ if (MaxVersion < cv)
+ MaxVersion = cv;
+ }
+ GCCLibAndIncVersion = MaxVersion;
}
Hexagon_TC::~Hexagon_TC() {
@@ -1453,13 +1488,39 @@
return *T;
}
-bool Hexagon_TC::isPICDefault() const {
- return false;
+void Hexagon_TC::AddClangSystemIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+ const Driver &D = getDriver();
+
+ if (DriverArgs.hasArg(options::OPT_nostdinc) ||
+ DriverArgs.hasArg(options::OPT_nostdlibinc))
+ return;
+
+ llvm::sys::Path InstallDir(D.InstalledDir);
+ std::string Ver(GetGCCLibAndIncVersion());
+ std::string GnuDir = Hexagon_TC::GetGnuDir(D.InstalledDir);
+ std::string HexagonDir(GnuDir + "/lib/gcc/hexagon/" + Ver);
+ addExternCSystemInclude(DriverArgs, CC1Args, HexagonDir + "/include");
+ addExternCSystemInclude(DriverArgs, CC1Args, HexagonDir + "/include-fixed");
+ addExternCSystemInclude(DriverArgs, CC1Args, GnuDir + "/hexagon/include");
}
-bool Hexagon_TC::isPICDefaultForced() const {
- return false;
+void Hexagon_TC::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ ArgStringList &CC1Args) const {
+
+ if (DriverArgs.hasArg(options::OPT_nostdlibinc) ||
+ DriverArgs.hasArg(options::OPT_nostdincxx))
+ return;
+
+ const Driver &D = getDriver();
+ std::string Ver(GetGCCLibAndIncVersion());
+ llvm::sys::Path IncludeDir(Hexagon_TC::GetGnuDir(D.InstalledDir));
+
+ IncludeDir.appendComponent("hexagon/include/c++/");
+ IncludeDir.appendComponent(Ver);
+ addSystemInclude(DriverArgs, CC1Args, IncludeDir.str());
}
+// End Hexagon
/// TCEToolChain - A tool chain using the llvm bitcode tools to perform
/// all subcommands. See http://tce.cs.tut.fi for our peculiar target.