| .. Copyright David Abrahams 2006. Distributed under the Boost |
| .. Software License, Version 1.0. (See accompanying |
| .. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| |
| Link Your Program to a Boost Library |
| ==================================== |
| |
| To demonstrate linking with a Boost binary library, we'll use the |
| following simple program that extracts the subject lines from |
| emails. It uses the Boost.Regex_ library, which has a |
| separately-compiled binary component. :: |
| |
| #include <boost/regex.hpp> |
| #include <iostream> |
| #include <string> |
| |
| int main() |
| { |
| std::string line; |
| boost::regex pat( "^Subject: (Re: |Aw: )*(.*)" ); |
| |
| while (std::cin) |
| { |
| std::getline(std::cin, line); |
| boost::smatch matches; |
| if (boost::regex_match(line, matches, pat)) |
| std::cout << matches[2] << std::endl; |
| } |
| } |
| |
| There are two main challenges associated with linking: |
| |
| 1. Tool configuration, e.g. choosing command-line options or IDE |
| build settings. |
| |
| 2. Identifying the library binary, among all the build variants, |
| whose compile configuration is compatible with the rest of your |
| project. |
| |
