[CMake] Fortran

[Bill Hoffman]

Maik Beckmann wrote:
> Hello CMake people
> 
> I pushed myself during the last weekends to get more familiar with CMakes 
> codebase.  Not for fun only ;), but make me smart enough to sketch an 
> approach for handling fortrans module dependencies.
> 
> Bill, Brad, Alex ... it would be very nice if you're take a look at
>  - http://www.cmake.org/Wiki/CMake_Fortran_Issues#Introduction_to_the_problem
>  - http://www.cmake.org/Wiki/CMake_Fortran_Issues#Abstract_solution
>  - http://www.cmake.org/Wiki/CMake_Fortran_Issues#Concrete_solution
> 
> I did some wild proof of concept coding, but its not ready be shown so far. 
> (see the class definitions at 
> http://www.cmake.org/Wiki/CMake_Fortran_Issues#Concrete_solution)
> 
> Howevery, the process of
>  - parsing sources and make the information persistent
>     -> -E fortran_module_scan
>  - reload the information and generate depend.make
>     -> -E cmake_depends using the persistent information
> works for a simple exe-target with an arbitrary number of sources involving 
> modules.  The next thing is to handle modules provided by another target in 
> the sourcetree.
> 
> For convenience I'm temporary using boost.serialization for the persistent 
> part. If the hole thing is in shape I will work cmakeish solution.
> 
> The hardest thing for me is to decide how to alter the way Makefile(2) is 
> generated i.e. where to trigger the module extraction.  Some advice on this 
> would be very helpfull.
> 
> I will do best to apply your advises. ASAP I will provide a patch to make this 
> issue less abstract.  
> 

Brad is actually working on fortran support right now.

-Bill