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

Name: libprotobuf-c
Description: Protocol Buffers C library
Version: 1.3.3
Libs: -L${libdir} -lprotobuf-c
Libs.private:
Cflags: -I${includedir}