Boost.Build - tru64cxx and tru64cxx65 toolset

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# Boost.Build

## tru64cxx and tru64cxx65 toolset

## Introduction

Boost.Build's tru64cxx toolset supports the Compaq C++ Compiler for True64 UNIX. There are two parallel toolsets for this compiler. The `tru64cxx` supports versions prior to 6.5. And the `tru64cxx65` supports versions from 6.5 onward.

Please note that the toolset `tru64cxx65` uses ansi as the default object model which is different from the default object model of the compiler. This choice has been made because of limitations in the arm object model which is the default object model used by the compiler. If you need to use the old object model, you can do so by explicitly specifying `"-sBUILD=<object-model>arm"` on the command line when building the boost libraries. For further information on this topic, please refer to the `-model` option in the `cxx` manual page.

## Configuration Variables

There currently are no user configurable variables used for these toolsets. This requires that the tools be available in the executable path.

Revised 26 August, 2004

Copyright © Dave Abrahams 2002.

Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at www.boost.org/LICENSE_1_0.txt)