Make error installing Ruby 1.9.2 via rvm OSX Lion 10.7.2 XCode 4.2

Question

I\'m getting the following error when trying to install 1.9.2 with rvm

/Users/craigspaeth/.rvm/scripts/functions/utility: line 152: date: command not found
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Answer 1

Do not use Xcode 4.2. It currently has problems building manuy of the rubies and native-extension gems, as well as Homebrew and MacPort builds. This is due to the change over to LLVm that Apple has made. This is a compiler issue, not an RVM issue. Please use, at most, Xcode 4.1 plus any patches Apple has provided for the 4.1 series.