Index: llvm-toolchain-snapshot_3.5~svn201651/clang/lib/Driver/ToolChains.cpp =================================================================== --- llvm-toolchain-snapshot_3.5~svn201651.orig/clang/lib/Driver/ToolChains.cpp 2014-02-17 12:12:04.000000000 +0100 +++ llvm-toolchain-snapshot_3.5~svn201651/clang/lib/Driver/ToolChains.cpp 2014-02-19 09:46:23.400300812 +0100 @@ -3237,6 +3237,11 @@ const Multilib &Multilib = GCCInstallation.getMultilib(); const GCCVersion &Version = GCCInstallation.getVersion(); +#ifdef __i386__ + // clang does not detect this path: /usr/include/i386-linux-gnu/c++/4.8/ Help him + addLibStdCXXIncludePaths( "/usr/include/", "/c++/" + Version.str(), "i386-linux-gnu", GCCInstallation.getMultiarchSuffix(), DriverArgs, CC1Args); +#endif + if (addLibStdCXXIncludePaths(LibDir.str() + "/../include", "/c++/" + Version.Text, TripleStr, Multilib.includeSuffix(), DriverArgs, CC1Args))