[CMake] Fortran support bugs?: CMake dependency scanner

[Mathieu Malaterre]

I have a added a short FAQ:

http://www.cmake.org/Wiki/CMake_FAQ#CMake_dependency_scanner

HTH
-Mathieu

On 8/9/07, yardbird <yardbird at nerdshack.com> 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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-- 
Mathieu