prefix=/gtk
exec_prefix=${prefix}
libdir=${exec_prefix}/lib
includedir=${prefix}/include

Name: FreeType 2
Description: A free, high-quality, and portable font engine.
Version: 13.1.7
Requires:
Libs: -L${libdir} -lfreetype
Libs.private:
Cflags: -I${includedir}/freetype2 -I${includedir}