# running Build.PL 
/Users/cpanrun/build/5.10.0/bin/perl Build.PL
Error: pkgconfig is not available on your system
It is available from http://pkgconfig.freedesktop.org/
Couldn't run Build.PL:  at /Users/cpanrun/build/5.10.0/site/lib/Module/Build/Compat.pm line 200.