On Sep 16, 2009, at 10:05 AM, Jack Howarth wrote:
   Well it may be an extreme case but the current Portfile
for gcc44 suffers from this problem

ok

   The most common case that I could imagine otherwise
would be software that uses configure to make either
settings to the Makefile for compiler flags or options
based on the detected target in use or more likely
cases when configure selects files of code with
hard coded assembly language that are architecture
dependent. We ran into a few of those in fink when
codecs, etc would have architecture specific assembly
files selected based on configure's understanding
of the exact architecture being built.

... so relatively few ports, then?

It seems then, that no change to base is required, but it's something to keep in mind for ports which have assembly files.

Fortunately, you've got a solution pushed upstream to configure, so eventually most projects will have picked up those changes and even these special case ports won't need additional attention (just like how some ports needed attention for libtool vs glibtool when darwin was fairly new, but don't anymore).

--
Daniel J. Luke
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