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

Name: OpenAL
Description: OpenAL is a cross-platform 3D audio API
Requires: 
Version: 1.23.1
Libs: -L${libdir} -lopenal 
Libs.private:
Cflags: -I${includedir} -I${includedir}/AL