linking miniruby.exe
win32.obj : error LNK2001: unresolved external symbol __imp____pioinfo
miniruby.exe : fatal error  LNK1120: 1 unresolved externals
NMAKE : fatal error U1077: '"C:Program Files (x86)Microsoft Visual Studio 14.0VCBINcl.EXE"' : return code '0x2'
Stop.rel

$> cd <path_to_ruby_download>
$> set PATH=C:Program Files (x86)Microsoft Visual Studio 14.0VCbin;%PATH%
$> win32configure.bat