Error when installing mysql ruby gem on OSX 10.6.3?

Can't find header files for ruby" usually means that the system can't locate the header files for Ruby. This happened to me when I upgraded to 10.6 from 10.5. Download the latest XCode from Apple's site and reinstall it. Make sure that you check the box for "UNIX Development" during the install.

The header files for Ruby are not in the main package Have you installed other versions of Ruby or are you using the standard 1.8.7 that comes with OS X? You can check your version of ruby by typing "ruby -v" at a terminal prompt.

Can't find header files for ruby" usually means that the system can't locate the header files for Ruby. This happened to me when I upgraded to 10.6 from 10.5. Download the latest XCode from Apple's site and reinstall it. Make sure that you check the box for "UNIX Development" during the install.

The header files for Ruby are not in the main package. Have you installed other versions of Ruby or are you using the standard 1.8.7 that comes with OS X? You can check your version of ruby by typing "ruby -v" at a terminal prompt.

This is the result of...ruby -v... ruby 1.8.7 (2009-06-08 patchlevel 173) universal-darwin10.0 I am using the version of ruby that comes with OSX 10.6.3 (i just got a new mac after the latest refresh like a month back) and installed XCode v3.2.1 on it. So really in my case it wasn't even an upgrade from a older OS to a newer one. – user310525 Jun 7 '10 at 5:25 When you installed XCode, you must specifically install the header files.

Make sure that you check the box for "UNIX Development" during the install. The header files for Ruby are not in the main package. Try doing this and it should fix your problem.

– DrMark Jun 13 '10 at 16:33.

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