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107 lines
4.3 KiB
Plaintext
107 lines
4.3 KiB
Plaintext
[section:building If and How to Build a Boost.Math Library, and its Examples and Tests]
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[h4 Building a Library (shared, dynamic .dll or static .lib)]
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The first thing you need to ask yourself is "Do I need to build anything at all?"
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as the bulk of this library is header only: meaning you can use it just by
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#including the necessary header(s).
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For most simple uses,
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including a header (or few) is best for compile time and program size.
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Refer to
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[link extern_c C99 and C++ TR1 C-style Functions]
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for pros and cons of using
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the TR1 components as opposed to the header only ones.
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The ['only] time you ['need] to build the library is if you want to use the
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`extern "C"` functions declared in `<boost/math/tr1.hpp>`. To build this
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using Boost.Build, from a commandline boost-root directory issue a command like:
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bjam toolset=gcc --with-math install
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that will do the job on Linux, while:
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bjam toolset=msvc --with-math --build-type=complete stage
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will work better on Windows (leaving libraries built
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in sub-folder `/stage` below your Boost root directory).
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Either way you should consult the
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[@http://www.boost.org/doc/libs/release/more/getting_started/index.html
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getting started guide] for more information.
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You can also build the libraries from your favourite IDE or command line tool:
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each `extern "C"` function declared in `<boost/math/tr1.hpp>` has its own
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source file with the same name in `libs/math/src/tr1`. Just select the
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sources corresponding to the functions you are using and build them into
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a library, or else add them directly to your project. Note that the
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directory `libs/math/src/tr1` will need to be in your compiler's
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#include path as well as the boost-root directory
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(MSVC Tools, Options, Projects and Solutions, VC++ Directories, Include files).
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[note If you are using
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a Windows compiler that supports auto-linking and you have built the sources
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yourself (or added them directly to your project) then you will need to
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prevent `<boost/math/tr1.hpp>` from trying to auto-link to the binaries
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that Boost.Build generates. You can do this by defining either
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BOOST_MATH_NO_LIB or BOOST_ALL_NO_LIB at project level
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(so the defines get passed to each compiler invocation).
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]
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Optionally the sources in `libs/math/src/tr1` have support for using
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`libs/math/src/tr1/pch.hpp` as a precompiled header
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['if your compiler supports precompiled headers.] Note that normally
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this header is a do-nothing include: to activate the header so that
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it #includes everything required by all the sources you will need to
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define BOOST_BUILD_PCH_ENABLED on the command line, both when building
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the pre-compiled header and when building the sources. Boost.Build
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will do this automatically when appropriate.
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[h4 Building the Examples]
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The examples are all located in `libs/math/example`, they can all
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be built without reference to any external libraries, either with
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Boost.Build using the supplied Jamfile, or from your compiler's
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command line. The only requirement is that the Boost headers are
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in your compilers #include search path.
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[h4 Building the Tests]
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The tests are located in `libs/math/test` and are best built
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using Boost.Build and the supplied Jamfile. If you plan to
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build them separately from your favourite IDE then you will
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need to add `libs/math/test` to the list of your compiler's
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search paths.
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You will also need to build and link to
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the Boost.Regex library for many of the tests: this can built
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from the command line by following the
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[@http://www.boost.org/doc/libs/release/more/getting_started/index.html
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getting started guide], using a command such as:
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bjam toolset=gcc --with-regex install
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or
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bjam toolset=msvc --with-regex --build-type=complete stage
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depending on whether you are on Linux or Windows.
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Many of the tests have optional precompiled header support
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using the header `libs/math/test/pch.hpp`.
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Note that normally
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this header is a do-nothing include: to activate the header so that
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it #includes everything required by all the sources you will need to
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define BOOST_BUILD_PCH_ENABLED on the command line, both when building
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the pre-compiled header and when building the sources. Boost.Build
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will do this automatically when appropriate.
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[endsect]
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[/ building.qbk
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Copyright 2006, 2007, 2008, 2010 John Maddock and Paul A. Bristow.
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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]
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