prefix=${pcfiledir}/../..
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
toolexeclibdir=${exec_prefix}/lib/../lib
includedir=${exec_prefix}/include

Name: libffi
Description: Library supporting Foreign Function Interfaces
Version: 3.2.1
Libs: -L${toolexeclibdir} -lffi
Cflags: -I${includedir}