Public SourceMage Discussion List

[Eric Sandall <eric AT sandall.us>]

Quoting Arwed von Merkatz <v.merkatz AT gmx.net>:
> Hi,
>
> as those of you on IRC or on the p4 list know i've worked a bit on gcc
> 4.0.0 support the last days. Here's a short status update.
> The devel grimoire now has a gcc34 spell and the
> gcc/g++/ada/fortran/objc/gcj spells are updated to 4.0. All of those
> work, though fortran is a major change from the previous g77, so all
> fortran using spells need extensive testing (and probably patching). If
> that doesn't work out we'll create a g77 spell using the one from gcc
> 3.4.
> I've been casting and fixing spells quite randomly today, mostly just
> testing what I use, and the overall result wasn't too bad so far.
> Most of the spells i tested worked fine or needed only minor fixes, but
> some are harder, e.g. ffmpeg/mplayer.
> For those spells that just won't compile with gcc 4.0 and have no easy
> patch available, I added libgcc to the grimoire FUNCTIONS. Usage is
> quite easy:
> - add a GCC_VERSION=3.4 (or 3.3, or 2) to the spells DETAILS file
> - add gcc34 (or gcc33 or gcc2) to the spells DEPENDS
> - if the spell has a custom BUILD, call 'invoke_gcc' at the beginning
> With this a spell can easily switch the gcc version that's used to
> compile it. It's essentially a more generic version of the USEGCC2
> support in sorcery.
>
> With the use of that libgcc I think we can get to an overall usable
> grimoire with gcc 4.0 as main compiler pretty fast, especially as gcc
> 3.4 and 4.0 are ABI compatible when it comes to C++.

Thanks for your work on this. :) Two questions:
1. Should spells with USEGCC2 be converted to this new format
2. Did you change GCC_VERSION=34 to GCC_VERSION=3.4 or is that a typo?
(I haven't read the Perforce logs yet, so just say RTFC if needed :)).

-sandalle

--
Eric Sandall                     |  Source Mage GNU/Linux Developer
eric AT sandall.us PGP: 0xA8EFDD61  |  http://www.sourcemage.org/
http://eric.sandall.us/          |  SysAdmin @ Inst. Shock Physics @ WSU
http://counter.li.org/  #196285  |  http://www.shock.wsu.edu/

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