[CMake] Fortran support bugs?

[Marie-Christine Vallet]

yardbird wrote:
> Hello,
>
> I would like to use CMake as a build system for a Fortran project of my 
> research group.
>
> The problems I'm experiencing are quite various, but I think I've tracked them 
> down to a single cause. In the specific case, which I'm attaching as a 
> compressed archive, CMake runs fine, but when launching make it hangs at the 
> dependency scanning phase. With other Fortran projects, CMake detects bogus 
> dependencies, which do not exist and have strange names. These strange names 
> helped me to identify the probable cause of the bug, since such names are 
> taken from comments in the source code: they consist of portion of phrases, 
> name, adjectives, etc.
>
> I think CMake is confused when it finds the "USE" keyword somewhere in Fortran 
> comments, and it is tricked into thinking that the keyword is specifying some 
> dependency even if it is placed inside a comment. Indeed, by erasing all 
> comments in source files, usually the build is performed successfully.
>
> Does this make any sense? I would really like to use CMake for these Fortran 
> projects, since I'm already using it heavily in my C/C++ projects and I love 
> it.
>
> Thanks and best regards,
>
>   Francesco.
>   
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If I replace the word use in my comments lines in Fortran by  _use I 
don't get the word.mod.proxy error anymore, so this would go in favor of 
your explanation.