[macports-base] branch release-2.6 updated (4707155 -> a5dda43)

[Joshua Root]

Joshua Root (jmroot) pushed a change to branch release-2.6
in repository macports-base.

    from 4707155  add known_fail option
     new 2b7a609  improve configure_get_sdkroot performance
     new ed8fa21  set SDKROOT in the environment
     new a5dda43  don't use Apple clang if libc++ on 10.6.8

The 3 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/port1.0/portconfigure.tcl | 44 ++++++++++++++++++++++++++++++++++++-------
 src/port1.0/portutil.tcl      |  3 +++
 2 files changed, 40 insertions(+), 7 deletions(-)