### Using on Windows
1. Install [mingw-w64](mingw-w64.sourceforge.net)
2. Install [pkg-config-lite](http://sourceforge.net/projects/pkgconfiglite)
3. Build (or install precompiled) openssl for mingw32-w64
4. Set __PKG\_CONFIG\_PATH__ to the directory containing openssl.pc (i.e. c:\mingw64\mingw64\lib\pkgconfig)