Binutils documentation: @dircategory is missing in Texinfo files

Dear developers, I downloaded GNU binutils 2.20.1 and found that command `...@dircategory' is missing in the following Texinfo files: - bfd/doc/bfd.texinfo, - gas/doc/as.texinfo, - gprof/gprof.texi, - ld/ld.texinfo. While `binutils/doc/binutils.texi' has: @dircategory Software development

Binutils 2.21: ld: ABI is incompatible with that of the selected emulation

Dear developers, I tried to build GCC 4.6.0 and it failed. The error seems to come from Binutils so I post here. Here is what I did. Under gNewSense metad (a freed version of Debian Lenny), I first built binutils 2.21 as follows: cd binutils-build CC="gcc -B/usr/bin/" ../binutils-2.20/co