On Sep 21, 2009, at 06:23, Mark Blackman wrote:
Just as a heads-up and for the archives, I had a macports perl
installation 5.8.8 that predated Leopard and Snow Leopard.
After upgrading to Snow Leopard I was unable to
compile XS modules for perl, resulting in messages
something like 'ld: wrong architecture' at link time.
After some detective work it seems that
/opt/local/lib/perl5/5.8.8/darwin-2level/Config.pm
had CC defined as '/usr/sbin/gcc-4.0' but
/opt/local/lib/perl5/5.8.8/darwin-2level/Config_heavy.pl
had LD defined as "ld='env MACOSX_DEPLOYMENT_TARGET=10.3 cc"
'cc' refers to gcc-4.2 and it's default loader behaviour
appears to want objects generated by gcc-4.2 rather than
gcc-4.0 for the default case anyway.
I'm not entirely sure about the correct fix but I updated
/opt/local/lib/perl5/5.8.8/darwin-2level/Config_heavy.pl with
"ld='env MACOSX_DEPLOYMENT_TARGET=10.3 gcc-4.0" to resolve my
immediate XS creation problem.
The correct fix when upgrading from one major OS version to another is
to uninstall all ports and reinstall them. See the Migration page in
the wiki:
http://trac.macports.org/wiki/Migration
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