Hello Ralf, El Martes 07 Octubre 2008ES 22:34:49 Ralf Wildenhues escribió: > Hello Alberto, > > * Alberto Luaces wrote on Mon, Oct 06, 2008 at 05:11:42PM CEST: > > El Domingo 05 Octubre 2008ES 11:23:40 Ralf Wildenhues escribió: > > > Before you implement manual dependency tracking in your own project: > > > how about implementing it in Automake, so that all Fortran projects can > > > benefit? > > > > Although I'm a automake newbie, I am interested. I'd be grateful if you > > gave me those pointers. [...] > There are two projects for Automake lurking here: > > 1) support header dependencies for preprocessed Fortran. > This should be a reasonably straightforward extension of side-effect > dependencies currently implemented for C and C++, for example. The key > ideas are described here: > <http://www.gnu.org/software/automake/manual/html_node/Dependency-Tracking. >html> > <http://www.gnu.org/software/automake/manual/html_node/Dependency-Tracking- >Evolution.html> > > Most that would be needed for ppfc, ppf77 is an adjustment of the > depcomp script for the various ways that can header dependencies > can be output. And a couple of changes in automake.in to actually > enable this for these languages, and tests to make sure this works. > > Norman Gray has done some prior work here IIRC. Maybe we can just reuse > some of his. > > > 1.5) Well, there is at least one special case issue we should address > separately. Part of testing (1) would be to check that config.h > inclusion as well as -D settings from DEFS work. > > Now, the IBM xlf/xlf90 compiler rejects -DDEFINE but accepts > -WF,-DDEFINE instead. This can be worked around, either by > some clever substitutions in the makefile, or with a wrapper > script a la `compile', let's call it fppcompile. > > (I think I even have a half-baked patch for this lying around somewhere, > the solution strategy seems so familiar.) > > 1.75) (If there is need for '-c -o' emulation for deficient Fortran > compilers, I definitely have a half-baked patch for that issue.) > > > 2) Support for module dependencies. > Prior external work: > <http://www.theochem.uwa.edu.au/fortran/recompile/> > <http://www.theochem.uwa.edu.au/fortran/make_variables> > > Problems: compiling foo.f may generate arbitrary modules bar.mod, > baz.MOD, bla.vo. So the rules may not be simple. Or we may want to > limit to some kinds of setups: either some compilers only, or some > required naming strategy. Anyway, the field is quite open here, > but any kind of support would be cool. > > > Some general comments: if you choose to contribute to Automake, be our > guest, and welcome! Please note that nontrivial contributions require > copyright assignment (more off-list if you're interested), and please > develop against the git master version of Automake. Take a look at the > HACKING file for some more helpful bits.
Thank you very much for the information, I'm currently perusing it. Is this the right list for asking implementation questions? Regards, Alberto
