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CrossCompiler - Compile a second set of modules without affecting the current system

Description

[I know that using the term CrossCompiler for this modification may be a bit of an overstatement, but it is catchy and covers one part of cross compilation.]

Sometimes you want to experiment with changes to the Oberon core files (when you build modifications like me, rather often than sometimes). When compiling the new version of modules on a live system, and the last module contains a compile error, you have to make sure that you fix it before restarting the system, since otherwise your system and/or your compiler may end up broken.

This modification introduces a /x switch to the compiler (similar to the /s switch) which will redirect the output files "somewhere else" - in particular, object and symbol files are written as .rsc.X and .smb.X, respectively. That way, broken compilation can not break your build, and you can (if you want to) copy the modified files out of the RISC system, rename them, and build a new system from them.

As the option handling was overhauled in the InspectSymbols patch of the ORInspect modification, this modification depends on the ORInspect modification.

Installation

  • Apply ORInspect, if not already applied.

  • Apply CrossCompiler.patch to ORB.Mod, ORG.Mod, and ORP.Mod.

  • Recompile the compiler:

    ORP.Compile ORB.Mod/s ~
ORP.Compile ORG.Mod/s ORP.Mod/s ~

  • Restart the system.

  • You may now use the /x switch for cross compiling.