Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

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If and How to Build the Library and its Examples and Tests

Building the Library

The first thing you need to ask yourself is "Do I need to build anything at all?" as the bulk of this library is header only: meaning you can use it just by #including the necessary header(s). Refer to C99 and C++ TR1 C-style Functions for pros and cons of using the TR1 components as opposed to the header only ones.

The only time you need to build the library is if you want to use the extern "C" functions declared in <boost/math/tr1.hpp>. To build this using Boost.Build, from a commandline boost-root directory issue a command like:

bjam toolset=gcc --with-math install

will do the job on Linux, while:

bjam toolset=msvc --with-math --build-type=complete stage

will work better on Windows (leaving libraries built in sub-folder /stage below your Boost root directory). Either way you should consult the getting started guide for more information.

You can also build the libraries from your favourite IDE or command line tool: each extern "C" function declared in <boost/math/tr1.hpp> has its own source file with the same name in libs/math/src/tr1. Just select the sources corresponding to the functions you are using and build them into a library, or else add them directly to your project. Note that the directory libs/math/src/tr1 will need to be in your compiler's #include path as well as the boost-root directory (MSVC Tools, Options, Projects and Solutions, VC++ Directories, Include files).

[Note] Note

If you are using a Windows compiler that supports auto-linking and you have built the sources yourself (or added them directly to your project) then you will need to prevent <boost/math/tr1.hpp> from trying to auto-link to the binaries that Boost.Build generates. You can do this by defining either BOOST_MATH_NO_LIB or BOOST_ALL_NO_LIB at project level (so the defines get passed to each compiler invocation).

Optionally the sources in libs/math/src/tr1 have support for using libs/math/src/tr1/pch.hpp as a precompiled header if your compiler supports precompiled headers. Note that normally this header is a do-nothing include: to activate the header so that it #includes everything required by all the sources you will need to define BOOST_BUILD_PCH_ENABLED on the command line, both when building the pre-compiled header and when building the sources. Boost.Build will do this automatically when appropriate.

Building the Examples

The examples are all located in libs/math/example, they can all be built without reference to any external libraries, either with Boost.Build using the supplied Jamfile, or from your compiler's command line. The only requirement is that the Boost headers are in your compilers #include search path.

Building the Tests

The tests are located in libs/math/test and are best built using Boost.Build and the supplied Jamfile. If you plan to build them separately from your favourite IDE then you will need to add libs/math/test to the list of your compiler's search paths.

You will also need to build and link to the Boost.Regex library for many of the tests: this can built from the command line by following the getting started guide, using a command such as:

bjam toolset=gcc --with-regex install

or

bjam toolset=msvc --with-regex --build-type=complete stage

depending on whether you are on Linux or Windows.

Many of the tests have optional precompiled header support using the header libs/math/test/pch.hpp. Note that normally this header is a do-nothing include: to activate the header so that it #includes everything required by all the sources you will need to define BOOST_BUILD_PCH_ENABLED on the command line, both when building the pre-compiled header and when building the sources. Boost.Build will do this automatically when appropriate.


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