[boost] [TR1] clang patch

Subject: [boost] [TR1] clang patch
From: Jürgen Hunold (juergen.hunold_at_[hidden])
Date: 2011-07-22 11:13:06

Hi John,

the current clang (version 3.0 (trunk 135764)) is still emulating gcc-4.2.1 
which leads to a lot of the tr1-tests failing with:

boost/boost/tr1/detail/config_all.hpp:158:12: fatal error: '../4.2.1/utility' 
file not found
#  include BOOST_TR1_STD_HEADER(utility)
           ^
boost/boost/tr1/detail/config_all.hpp:100:44: note: expanded from:
#        define BOOST_TR1_STD_HEADER(name) 
<../__GNUC__.__GNUC_MINOR__.__GNUC_PATCHLEVEL__/name>
                                           ^
1 error generated.

if your installed gcc is not 4.2.1. 

The attached patch fixes this by introducing a special case for clang.

This fixes all but eight tr1-tests for clang trunk.

Okay to commit?

Yours,

Jürgen
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