MacPorts on Lion (common issues, fixes, and workarounds)

[Jeremy Lavergne]

> Remind me, what is the purpose for the "if {![file executable ${configure.cc}]}" block? On what systems would /usr/bin/gcc-4.2 not exist? I'm only coming up with Tiger, but nobody would request llvm-gcc-4.2 or clang on Tiger either.

Is gcc 4.2 now an optional install?

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