Compiling source files Describes how to build the runtime files from source files. Compiling form specification files (.per)The .per form definition files must be compiled to .42f XML files, in order to be loaded by the runtime system.Compiling message files (.msg)The .msg message files must be compiled to .iem binary files, in order to be loaded by the runtime system.Compiling string resource files (.str)The .str source string files must be compiled to .42s binary files, in order to be loaded by the runtime system.Compiling program code files (.4gl)The .4gl source files must be compiled to .42m p-code files, in order to be loaded by the runtime system.Importing modulesDescribes how to define module interdependence with IMPORT FGL.Linking librariesDescribes how to link .42m modules together to build a .42x library file.Linking programsDescribes how to link .42m modules together to build a .42r program file.Using makefilesDescribes how to define program construction rules in makefiles.42m module informationDescribes how to handle module information in .42m p-code files.