GO=${GO:-go} MAKEINFO=${MAKEINFO:-makeinfo} PLANTUML=${PLANTUML:-plantuml} PREFIX=${PREFIX:-/usr/local} SENDMAIL=${SENDMAIL:-/usr/sbin/sendmail} CFGPATH=${CFGPATH:-$PREFIX/etc/nncp.hjson} SPOOLPATH=${SPOOLPATH:-/var/spool/nncp} LOGPATH=${LOGPATH:-/var/spool/nncp/log} BINDIR=${BINDIR:-${DESTDIR}${PREFIX}/bin} INFODIR=${INFODIR:-${DESTDIR}${PREFIX}/info} DOCDIR=${DOCDIR:-${DESTDIR}${PREFIX}/share/doc/nncp}