dpkg -s libboost-dev | grep 'Version'
Version: 1.54.0.1ubuntu1

#include <boost/version.hpp>
#include <iostream>
#include <iomanip>

int main() {
  std::cout << "Boost version: " << BOOST_VERSION / 100000 << "/" << BOOST_VERSION / 100 % 1000 << "." << BOOST_VERSION % 100 << std::endl;
  return 0;
}

-rw-r--r-- 1 root root  25 Jul 21 11:51 boost.conf
-rw-rw-r-- 1 root root  38 Mar 24  2014 fakeroot-x86_64-linux-gnu.conf
lrwxrwxrwx 1 root root  41 Oct 24  2017 i386-linux-gnu_EGL.conf -> /etc/alternatives/i386-linux-gnu_egl_conf
lrwxrwxrwx 1 root root  40 Oct 24  2017 i386-linux-gnu_GL.conf -> /etc/alternatives/i386-linux-gnu_gl_conf
-rw-r--r-- 1 root root 108 Jan 15  2018 i686-linux-gnu.conf
-rw-r--r-- 1 root root  44 Aug  9  2009 libc.conf
-rw-r--r-- 1 root root   0 Jul 20 10:55 local.conf
-rw-r--r-- 1 root root  68 Apr 12  2014 x86_64-linux-gnu.conf
lrwxrwxrwx 1 root root  43 Oct 24  2017 x86_64-linux-gnu_EGL.conf -> /etc/alternatives/x86_64-linux-gnu_egl_conf
lrwxrwxrwx 1 root root  42 Jun  5 09:02 x86_64-linux-gnu_GL.conf -> /etc/alternatives/x86_64-linux-gnu_gl_conf
lrwxrwxrwx 1 root root  57 Jan 24 13:45 x86_64-linux-gnu_mirclientplatform.conf -> /etc/alternatives/x86_64-linux-gnu_mirclientplatform_conf
-rw-r--r-- 1 root root  56 Jun 16  2017 zz_i386-biarch-compat.conf
-rw-r--r-- 1 root root  58 Jun 16  2017 zz_x32-biarch-compat.conf