prefix=${PREFIX}
exec_prefix=${PREFIX}
libdir=${LIBDIR}
includedir=${INCLUDEDIR}
server_libs=-L${LIBDIR} -l${SERVERLIB}

Name: jack
Description: the Jack Audio Connection Kit: a low-latency synchronous callback-based media server
Version: ${JACK_VERSION}
Libs: -L${LIBDIR} -ljack
Cflags: -I${INCLUDEDIR}