add target directory support. on mac, don't build with mysql since the packaging of mysql is troublesome and fraught with danger.
add target directory support.
on mac, don't build with mysql since the packaging of mysql is troublesome and fraught with danger.

levinas/bootstrap,levinas/bootstrap,levinas/bootstrap.p3,levinas/bootstrap.p3,PATRIC3/bootstrap,kbase/bootstrap,PATRIC3/bootstrap,levinas/bootstrap,PATRIC3/bootstrap,levinas/bootstrap.p3,olsonanl/bootstrap,scanon/bootstrap,kbase/bootstrap,scanon/bootstrap,kbase/bootstrap,olsonanl/bootstrap,levinas/bootstrap,scanon/bootstrap,levinas/bootstrap.p3,PATRIC3/bootstrap,kbase/bootstrap,scanon/bootstrap,olsonanl/bootstrap