dev-libs/spsdeclib should install additional header files. > /usr/include/caps5/CapsAPI.h > /usr/include/caps5/CapsFDC.h > /usr/include/caps5/CapsForm.h > /usr/include/caps5/CapsLib.h > /usr/include/caps5/CapsLibAll.h > /usr/include/caps5/CapsLibVersion.h > /usr/include/caps5/ComLib.h > /usr/include/caps5/CommonTypes.h