prefix=/usr
exec_prefix=${prefix}
libdir=/usr/lib/x86_64-linux-gnu
incdir=${prefix}/include

Name: librtmp
Description: RTMP implementation
Version: v2.4
Requires: gnutls
URL: http://rtmpdump.mplayerhq.hu
Libs: -L${libdir} -lrtmp -lz
Libs.private: 
Cflags: -I${incdir}