[CMake] How to change CMake's expected output filename

[Alexander Neundorf]

On Wednesday 08 September 2010, Nick Foster wrote:
> Hi there,
>
> I'm using CMake with SDCC. Currently, support for SDCC in CMake does not
> also include dialects for its various assemblers. So I've created one, for
> the asx8051 assembler. The problem is that the asx8051 assembler shows
> nonstandard behavior, and does not let you arbitrarily name the output.
> Instead, if you compile myfile.a51, it produces myfile.rel. No option to
> change that.
>
> CMake tells the linker to then look for an output file named
> <source_filename><CMAKE_ASM${ASM_DIALECT}_OUTPUT_EXTENSION>, which ends up
> looking for myfile.a51.rel. I can add whatever arbitrary extension I want,
> but I need to strip the .a51 from CMake's expected output filename so it
> knows to look for myfile.rel. Should I create a custom command which moves
> myfile.rel to myfile.a51.rel? It seems unnecessarily Byzantine. Is there an
> easier way?

If it still doesn't work to me, please put it in the bugtracker 
(http://public.kitware.com/Bug) and assign it to me.

Alex