Can't compile i686-nptl-linux-gnu with gcc 4.7.0 on Ubuntu 12.04

[Han Sooloo]

Build log can be found at http://pastebin.me/93b22c44aaee16294df82bb5ac03a956

.config can be found at http://pastebin.me/93b22c44aaee16294df82bb5ac03aea8

Getting the following error at the end CC core compiler pass-1 phase:
[INFO ]  Installing C library headers & start files
[EXTRA]    Configuring C library
[EXTRA]    Installing C library headers
[ERROR]    make[2]: *** [/home/hansolo/x-tools/i686-nptl-linux-gnu/i686-nptl-linux-gnu/sysroot/usr/include/gnu/lib-names.h] Error 1
[ERROR]    make[1]: *** [install-headers] Error 2

Any ideas why the file is not found?

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