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| 8 | |
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| 9 | <title>Boost.Compatibilty library</title> |
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| 10 | </head> |
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| 11 | |
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| 12 | <body> |
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| 13 | <div> |
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| 14 | <img src="../../boost.png" alt="boost.png (6897 bytes)" align="middle" |
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| 15 | width="277" height="86"> |
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| 16 | <hr> |
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| 17 | |
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| 18 | <h1>Boost.Compatibilty library</h1> |
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| 19 | |
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| 20 | <p>This library provides workarounds which allow the other Boost |
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| 21 | libraries to be used on otherwise non-conforming platforms. We hope that |
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| 22 | it will be possible to remove this library at some time in the future as |
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| 23 | standard library suppliers become more conforming.</p> |
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| 24 | |
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| 25 | <h2>Missing C++ standard library CXX headers (e.g <cstdio>) |
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| 26 | workaround</h2> |
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| 27 | |
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| 28 | <p>The Python script: <tt><a href= |
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| 29 | "generate_cpp_c_headers.py">generate_cpp_c_headers.py</a></tt> creates a |
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| 30 | full set of C++ C header files (e.g. <cstdio>) that are missing on |
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| 31 | some platforms. The header files created by this script reside in the |
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| 32 | directory <tt><a href= |
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| 33 | "../../boost/compatibility/cpp_c_headers/">boost/compatibility/cpp_c_headers</a></tt>. |
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| 34 | To use the header files, add this directory to the include file search |
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| 35 | path. For example:</p> |
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| 36 | <pre> |
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| 37 | cxx -I/usr/local/boost/boost/compatibility/cpp_c_headers ... |
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| 38 | </pre> |
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| 39 | |
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| 40 | <p>Supported platforms are:</p> |
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| 41 | |
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| 42 | <ul> |
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| 43 | <li>Compaq Alpha, RedHat 6.2 Linux, Compaq C++ V6.3 (cxx)</li> |
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| 44 | |
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| 45 | <li>Compaq Alpha, Tru64 Unix V5.0, Compaq C++ V6.2 (cxx)</li> |
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| 46 | |
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| 47 | <li>Silicon Graphics, IRIX 6.5, MIPSpro Compilers: Version 7.3.1.1m |
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| 48 | (CC)</li> |
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| 49 | </ul> |
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| 50 | |
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| 51 | <p>There are more powerful alternatives to using the Boost.Compatibility |
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| 52 | library CXX headers, e.g. <a href="http://stlport.sourceforge.net">STLport</a> |
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| 53 | or <a href= |
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| 54 | "http://www.fnal.gov/docs/working-groups/fpcltf/Pkg/ISOcxx/doc/0ISOcxx.html"> |
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| 55 | ISOCXX</a>. However, in contrast to these alternatives, the |
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| 56 | <tt>generate_cpp_c_headers.py</tt> script is very light-weight (less than |
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| 57 | 100 non-comment lines of Python code), much less ambitious, significantly |
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| 58 | easier to maintain and therefore more suitable as an interim |
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| 59 | workaround.</p> |
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| 60 | |
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| 61 | <p>Contributed by Ralf W. Grosse-Kunstleve.</p> |
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| 62 | |
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| 63 | <h2>Missing C++ standard library <limits> header workaround |
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| 64 | <a href="../../boost/limits.hpp">boost/limits.hpp</a></h2> |
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| 65 | |
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| 66 | <p>Several Boost libraries require the standard library's <limits> |
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| 67 | header, yet this header is not always supplied by non-conforming |
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| 68 | compilers and libraries. Header <a href= |
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| 69 | "../../boost/limits.hpp">boost/limits.hpp</a> simply includes the |
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| 70 | standard library <limits> header if available, otherwise includes |
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| 71 | <a href= |
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| 72 | "../../boost/detail/limits.hpp">boost/detail/limits.hpp</a>. |
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| 73 | BOOST_NO_LIMITS from <a href="../config/config.htm">boost/config.hpp</a> |
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| 74 | is used to determine <limits> availability.</p> |
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| 75 | |
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| 76 | <p>Note also the test program <a href= |
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| 77 | "../config/test/limits_test.cpp">limits_test.cpp</a></p> |
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| 78 | |
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| 79 | <p>Contributed by Jens Maurer.</p> |
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| 80 | |
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| 81 | <p> <br clear="all"></p> |
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| 82 | <hr> |
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| 83 | |
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| 84 | <p><a href="http://validator.w3.org/check?uri=referer"><img border="0" |
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| 87 | |
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| 88 | <p>Revised |
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| 89 | <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->01 December, 2006<!--webbot bot="Timestamp" endspan i-checksum="38508" --></p> |
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| 90 | |
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| 91 | <p><i>© Copyright Ralf W. Grosse-Kunstleve 2001</i></p> |
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| 92 | |
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| 93 | <p><i>Distributed under the Boost Software License, Version 1.0. (See |
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| 94 | accompanying file <a href="../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or |
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| 95 | copy at <a href= |
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| 96 | "http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</a>)</i></p> |
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| 97 | </div> |
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| 98 | </body> |
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| 99 | </html> |
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