lib/pkgconfig/avahi-client.pc

prefix=/usr
exec_prefix=${prefix}
libdir=/usr/lib
includedir=${prefix}/include

Name: avahi-client
Description: Avahi Multicast DNS Responder (Client Support)
Version: 0.6.27
Libs: -L${libdir} -lavahi-common -lavahi-client
Cflags: -D_REENTRANT -I${includedir}