Cannot reproduce. I'm using 13.10 (x86_64; was upgraded from several earlier releases), only gcc-4.8 and clang-3.2 is installed.
$ clang++ a.cpp $ g++ a.cpp $ clang++ --version Debian clang version 3.2-7ubuntu1 (tags/RELEASE_32/final) (based on LLVM 3.2) Target: x86_64-pc-linux-gnu Thread model: posix $ g++ --version g++ (Ubuntu/Linaro 4.8.1-10ubuntu8) 4.8.1 Copyright (C) 2013 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. gcc seems to use the correct include paths here (see attachment). ** Attachment added: "g++ include paths (g++ -E -x c++ - -v < /dev/null)" https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1244021/+attachment/3890804/+files/gcc-include-paths.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1244021 Title: After upgrading to 13.10, clang and GCC erroneously look for GCC-4.7 headers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-4.8/+bug/1244021/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs