/usr/local/bin/ruby extconf.rb 
creating Makefile

make "DESTDIR=" clean

make "DESTDIR="
compiling mapper.cpp
compiling rubymain.cpp
linking shared-object fastfilereaderext.so

make "DESTDIR=" install
/usr/bin/install -c -m 0755 fastfilereaderext.so ./.gem.20141021-32143-1ipf6nb
installing default fastfilereaderext libraries