[macports-base] branch master updated (c97e75d2c -> 1c8f1539e)

[Joshua Root]

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

    from c97e75d2c Cache xcodeversion persistently
     new b58e22dd0 Use dict for tool_path_cache
     new 1c8f1539e Cache compiler versions persistently

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/macports1.0/macports.tcl  | 81 +++++++++++++++++++++++++++++++++----------
 src/port1.0/portconfigure.tcl |  3 +-
 2 files changed, 64 insertions(+), 20 deletions(-)