pgplot should use variant gcc42 (or higher) for ppc

[davidh@…]

on Tiger/ppc system

gcc 3.4.6 is terribly obsolete

variant i386 uses gcc42, why can't the variant name be changed?

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on Tiger/ppc system, fresh install of macports:

david-hendersons-power-mac-g5:/ davidh$ nice sudo port install pgplot +gcc42 +aqt +demos +x11
--->  Fetching aquaterm
--->  Attempting to fetch aquaterm_src.1.0.1.tar.gz from http://downloads.sourceforge.net/aquaterm
--->  Verifying checksum(s) for aquaterm
--->  Extracting aquaterm
--->  Applying patches to aquaterm
--->  Configuring aquaterm
--->  Building aquaterm
--->  Staging aquaterm into destroot
--->  Installing aquaterm @1.0.1_4
--->  Activating aquaterm @1.0.1_4
--->  Cleaning aquaterm
--->  Fetching gcc34
--->  Attempting to fetch gcc-3.4.6.tar.bz2 from http://mirrors.ibiblio.org/pub/mirrors/gnu/ftp/gnu//gcc/gcc-3.4.6