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| <div class="section"> |
| <div class="titlepage"><div><div><h2 class="title" style="clear: both"> |
| <a name="boost_regex.install"></a><a class="link" href="install.html" title="Building and Installing the Library">Building and Installing the Library</a> |
| </h2></div></div></div> |
| <p> |
| When you extract the library from its zip file, you must preserve its internal |
| directory structure (for example by using the -d option when extracting). If |
| you didn't do that when extracting, then you'd better stop reading this, delete |
| the files you just extracted, and try again! |
| </p> |
| <p> |
| This library should not need configuring before use; most popular compilers/standard |
| libraries/platforms are already supported "as is". If you do experience |
| configuration problems, or just want to test the configuration with your compiler, |
| then the process is the same as for all of boost; see the <a href="../../../../config/index.html" target="_top">configuration |
| library documentation</a>. |
| </p> |
| <p> |
| The library will encase all code inside namespace boost. |
| </p> |
| <p> |
| Unlike some other template libraries, this library consists of a mixture of |
| template code (in the headers) and static code and data (in cpp files). Consequently |
| it is necessary to build the library's support code into a library or archive |
| file before you can use it, instructions for specific platforms are as follows: |
| </p> |
| <h5> |
| <a name="boost_regex.install.h0"></a> |
| <span class="phrase"><a name="boost_regex.install.building_with_bjam"></a></span><a class="link" href="install.html#boost_regex.install.building_with_bjam">Building |
| with bjam</a> |
| </h5> |
| <p> |
| This is now the preferred method for building and installing this library, |
| please refer to the <a href="../../../../../more/getting_started.html" target="_top">getting |
| started guide</a> for more information. |
| </p> |
| <h5> |
| <a name="boost_regex.install.h1"></a> |
| <span class="phrase"><a name="boost_regex.install.building_with_unicode_and_icu_support"></a></span><a class="link" href="install.html#boost_regex.install.building_with_unicode_and_icu_support">Building |
| With Unicode and ICU Support</a> |
| </h5> |
| <p> |
| Boost.Regex is now capable of performing a configuration check to test whether |
| ICU is already installed in your compiler's search paths. When you build you |
| should see a message like this: |
| </p> |
| <pre class="programlisting"><span class="identifier">Performing</span> <span class="identifier">configuration</span> <span class="identifier">checks</span> |
| |
| <span class="special">-</span> <span class="identifier">has_icu</span> <span class="identifier">builds</span> <span class="special">:</span> <span class="identifier">yes</span> |
| </pre> |
| <p> |
| Which means that ICU has been found, and support for it will be enabled in |
| the library build. |
| </p> |
| <div class="tip"><table border="0" summary="Tip"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Tip]" src="../../../../../doc/src/images/tip.png"></td> |
| <th align="left">Tip</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> |
| If you don't want the regex library to use ICU then build with the "--disable-icu" |
| command line option. |
| </p></td></tr> |
| </table></div> |
| <p> |
| If instead you see: |
| </p> |
| <pre class="programlisting"><span class="identifier">Performing</span> <span class="identifier">configuration</span> <span class="identifier">checks</span> |
| |
| <span class="special">-</span> <span class="identifier">has_icu</span> <span class="identifier">builds</span> <span class="special">:</span> <span class="identifier">no</span> |
| </pre> |
| <p> |
| Then ICU was not found and support for it will not be compiled into the library. |
| If you think that it should have been found, then you will need to take a look |
| at the contents of the file <span class="emphasis"><em>boost-root/bin.v2/config.log</em></span> |
| for the actual error messages obtained when the build carried out the configuration |
| check. You will then need to fix these errors by ensuring your compiler gets |
| invoked with the correct options, for example: |
| </p> |
| <pre class="programlisting">bjam include=some-include-path --toolset=toolset-name install</pre> |
| <p> |
| will add "some-include-path" to your compilers header include path, |
| or if ICU has been built with non-standard names for it's binaries, then: |
| </p> |
| <pre class="programlisting">bjam -sICU_LINK="linker-options-for-icu" --toolset=toolset-name install</pre> |
| <p> |
| Will use <span class="emphasis"><em>"linker-options-for-icu"</em></span> when linking |
| the library rather than the default ICU binary names. |
| </p> |
| <p> |
| You might also need to use the options "cxxflags=-option" and "linkflags=-option" |
| to set compiler and linker specific options. |
| </p> |
| <div class="important"><table border="0" summary="Important"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../../doc/src/images/important.png"></td> |
| <th align="left">Important</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> |
| Configuration results are cached - if you try rebuilding with different compiler |
| options then add an "-a" to the bjam command line to force all |
| targets to be rebuilt. |
| </p></td></tr> |
| </table></div> |
| <p> |
| If ICU is not already in your compiler's path, but instead headers, libraries |
| and binaries are located at <span class="emphasis"><em>path-to-icu/include</em></span>, <span class="emphasis"><em>path-to-icu/lib</em></span> |
| and <span class="emphasis"><em>path-to-icu/bin</em></span> respectively then you need to set |
| the environment variable <code class="computeroutput"><span class="identifier">ICU_PATH</span></code> |
| to point to the root directory of your ICU installation: this typically happens |
| if you're building with MSVC. For example if ICU was installed to <code class="computeroutput"><span class="identifier">c</span><span class="special">:\</span><span class="identifier">download</span><span class="special">\</span><span class="identifier">icu</span></code> you |
| might use: |
| </p> |
| <pre class="programlisting">bjam -sICU_PATH=c:\download\icu --toolset=toolset-name install</pre> |
| <div class="important"><table border="0" summary="Important"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../../doc/src/images/important.png"></td> |
| <th align="left">Important</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> |
| ICU is a C++ library just like Boost is, as such your copy of ICU must have |
| been built with the same C++ compiler (and compiler version) that you are |
| using to build Boost. Boost.Regex will not work correctly unless you ensure |
| that this is the case: it is up to you to ensure that the version of ICU |
| you are using is binary compatible with the toolset you use to build Boost. |
| </p></td></tr> |
| </table></div> |
| <p> |
| And finally, if you want to build/test with multiple compiler versions, all |
| with different ICU builds, then the only way to achieve that currently is to |
| modify your user-config.jam so that each toolset has the necessary compiler/linker |
| options set so that ICU is found automatically by the configuration step (providing |
| the ICU binaries use the standard names, all you have to add is the appropriate |
| header-include and linker-search paths). |
| </p> |
| <h5> |
| <a name="boost_regex.install.h2"></a> |
| <span class="phrase"><a name="boost_regex.install.building_from_source"></a></span><a class="link" href="install.html#boost_regex.install.building_from_source">Building |
| from Source</a> |
| </h5> |
| <p> |
| The Regex library is "just a bunch of source files": nothing special |
| is required to build them. |
| </p> |
| <p> |
| You can either build the files under boost-path/libs/regex/src/*.cpp as a library, |
| or add them directly to your project. This is particularly useful if you need |
| to use specific compiler options not supported by the default Boost build. |
| </p> |
| <p> |
| There are two #defines you should be aware of: |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> |
| <li class="listitem"> |
| BOOST_HAS_ICU should be defined if you want ICU support compiled in. |
| </li> |
| <li class="listitem"> |
| BOOST_REGEX_DYN_LINK should be defined if you are building a DLL on Windows. |
| </li> |
| </ul></div> |
| <div class="important"><table border="0" summary="Important"> |
| <tr> |
| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Important]" src="../../../../../doc/src/images/important.png"></td> |
| <th align="left">Important</th> |
| </tr> |
| <tr><td align="left" valign="top"><p> |
| The makefiles that were supplied with Boost.Regex are now deprecated and |
| will be removed in the next release. |
| </p></td></tr> |
| </table></div> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 1998-2013 John Maddock<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
| </p> |
| </div></td> |
| </tr></table> |
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