used by the linker to quickly locate the required module to link.
Once a .rel file (as well as a .adb file) is added to a library using sdcclib,
it can be safely deleted, since all the information required for linking
used by the linker to quickly locate the required module to link.
Once a .rel file (as well as a .adb file) is added to a library using sdcclib,
it can be safely deleted, since all the information required for linking