Guard search for xcrun inside catch clause; see https://trac.macports.org/ticket/32890. If xcrun is not present (Xcode 2.x, apparently), then this allows us to fall-back to a conventional compiler location rather than failing outright due to a lack of xcrun.
Guard search for xcrun inside catch clause; see https://trac.macports.org/ticket/32890.
If xcrun is not present (Xcode 2.x, apparently), then
this allows us to fall-back to a conventional compiler
location rather than failing outright due to a lack of
xcrun.

git-svn-id: 620571fa9b4bd0cbce9a0cf901e91ef896adbf27@89359 d073be05-634f-4543-b044-5fe20cf6d1d6

neverpanic/macports-base,neverpanic/macports-base,danchr/macports-base,macports/macports-base,macports/macports-base,danchr/macports-base