clang: Fix x86 triple for non-debian multiarch linux distros

OpenEmbedded does not hardcode mutli-arch like debian therefore ensure
that it still uses the proper tuple

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>

Author: kraj

clang/lib/Driver/ToolChains/Linux.cpp

@@ -721,6 +721,9 @@ void Linux::addLibStdCxxIncludePaths(const llvm::opt::ArgList &DriverArgs,
       GCCInstallation.getTriple().getArch() == llvm::Triple::x86
           ? "i386-linux-gnu"
           : TripleStr;
+  // OpenEmbedded does not hardcode the triple to i386-linux-gnu like debian
+  if (GCCInstallation.getTriple().getVendor() == llvm::Triple::OpenEmbedded)
+	  DebianMultiarch = TripleStr;
 
   // Try generic GCC detection first.
   if (Generic_GCC::addGCCLibStdCxxIncludePaths(DriverArgs, CC1Args,