title: Boost header file linking error when I try to compile on Cygwin
body: <p>I'm getting the error:</p>
  
  <pre>
  In file included from sourcefile.cpp:35:0:
  myrandom.h:10:45: fatal error: boost/random/mersenne_twister.hpp: No such file or directory
  compilation terminated.
  </pre>
  
  <p>when I try to compile my source file with:</p>
  
  <pre>
  g++ -o sourcefile sourcefile.cpp -I/cygdrive/c/Users/myname/Documents/Libraries/boost_1_55_0/ -L/cygdrive/c/Users/myname/Documents/Libraries/boost_1_55_0/libs/ -Wall -O0 
  </pre>
  
  <p>I haven't had this problem before and everything was working fine. I'm not sure what's wrong and it's driving me nuts. Can you help me figure it out?</p>