working around gcc bugs.

[Matthias Klose <doko@cs.tu-berlin.de>]

Bill Allombert writes:
 > Hello,
 > 
 > My PARI package has the bad habits of breaking compiler. Worse
 > of all, problems are often run-time and not compile-time.
 > 
 > Currently on hppa, arm and ia64 gcc-2.95 cannot build working binaries,
 > but gcc-3.0 work.
 > 
 > So should I force the package to be build with gcc-3.0 on these archs ?
 > And in this case, what is the proper way of doing it ?
 > 
 > For example,I can use arch-specific build-dependencies and explicitely specify
 > CC=gcc-3.0 for compiling on these archs.
 > 
 > What is the best solution ?

Build-Depends: gcc-3.0 [arm]

use CC=gcc-3.0 for configuring/building on arm. hppa and ia64 don't
have gcc-2.95 at all.