Archive vs. local build selection (10.8.5, XCode 5.0.2)

[Ryan Schmidt]

On Dec 17, 2013, at 08:28, Eric A. Borisch wrote:

> This ticket https://trac.macports.org/ticket/41836 describes an issue where (apparently, I don't have a matching system to test) 10.8.5 and XCode 5.0.2 are installed.
> 
> The user installed (I'm guessing from buildbot archive) mpich-default, which wraps /usr/bin/llvm-gcc-4.2. In the setup mentioned, this doesn't exist. (Which is why I'm saying it came from the archive rather than a local build -- mpich wraps the compiler it was built with.)
> 
> Any thoughts on how to fix this? What version of Xcode (esp. clang) is on the 10.8 buildbot?
> llvm-gcc-4.2 gets used if clang is blacklisted:
> 
> < from the Portfile>
> # Linker for Apple clang version 421.11.66 segfaults 
> # See https://trac.macports.org/ticket/36654#comment:9 
> compiler.blacklist-append   {clang >= 421.11.66 < 425.0.24} 
> </Portfile>

Evidently the 10.8 buildbot has a version of Xcode that has a version of clang in that build number range.

I guess the user should rebuild mpich-default from source (the “-s”) flag, or not use mpich-default. Ports that hardcode compilers discovered at build time are considered a bug, so you’re on your own since that bug appears to be your intention with this port.