Convert $(srcdir) to an absolute path so the gem install works again
Convert $(srcdir) to an absolute path so the gem install works again

yghannam/ffi,ferventcoder/ffi,yghannam/ffi,ferventcoder/ffi,MikaelSmith/ffi,tduehr/ffi,ffi/ffi,yghannam/ffi,majioa/ffi,majioa/ffi,mvz/ffi,ffi/ffi,sparkchaser/ffi,tduehr/ffi,MikaelSmith/ffi,ffi/ffi,MikaelSmith/ffi,mvz/ffi,sparkchaser/ffi,mvz/ffi,tduehr/ffi,yghannam/ffi,mvz/ffi,ferventcoder/ffi,sparkchaser/ffi,majioa/ffi,majioa/ffi,ferventcoder/ffi,yghannam/ffi,sparkchaser/ffi,tduehr/ffi,MikaelSmith/ffi