[macports-base] branch master updated (1d1bcde -> d840f25)

[Joshua Root]

Joshua Root (jmroot) pushed a change to branch master
in repository macports-base.

    from 1d1bcde  Update Xcode versions
     new 42b36f4  Always allow macports-gcc if using libstdc++
     new d840f25  Filter archive_sites based on prefix_frozen

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 src/package1.0/portarchivefetch.tcl |  4 ++--
 src/port1.0/portconfigure.tcl       | 14 ++++++++------
 2 files changed, 10 insertions(+), 8 deletions(-)