homebrew_sdkroot=/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk
prefix=${homebrew_sdkroot}/usr
exec_prefix=/usr
libdir=${exec_prefix}/lib
toolexeclibdir=${libdir}
includedir=${prefix}/include/ffi

Name: libffi
Description: Library supporting Foreign Function Interfaces
Version: 2.1
Libs: -L${toolexeclibdir} -lffi
Cflags: -I${includedir}