Let's keep the discussion on the mailing list.
On Sep 20, 2015, at 12:27 PM, René J.V. Bertin wrote:
> BTW, how difficult would it be to implement a range filter for blacklisting
> older macports-clang versions, or newer versions (3.7 doesn't build on OS X
> 10.6) :
>
> {macports-clang < 3.4}
> {macports-clang > 3.6}
Range filtering is already included in the compiler_blacklist_versions
portgroup. An example is given in the portgroup:
# Blacklist only clang build numbers greater than or equal to 421.11.66 but
less than 444:
# compiler.blacklist-append {clang >= 421.11.66 < 444}
Trying to use "macports-clang" as the compiler name is not supported because
that relies on the user having selected a version of MacPorts clang using "port
select", and ports are not allowed to rely on the user having done that.
Looks like 3.5 and later require libc++ to exist; it doesn't exist on 10.6
unless the user puts it there per the instructions in the LibcxxOnOlderSystems
wiki page.
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