rvmでruby1.9.2のインストール　mac　os10.8.3

rubyの1.9.2にしたくて。rvmを利用してやろうとしたら、上手く出来なかった。

rvm install 1.9.2

ができない。

エラーがこんな

Installing required packages: libxml2, libxslt, libksba......................

Error running 'requirements_osx_port_libs_install libxml2 libxslt libksba',

please read /Users/●●●/.rvm/log/ruby-1.9.2-p320/1369980532_package_install_libxml2_libxslt_libksba.log

logを確認すると

Error:

Error: No valid Xcode installation is properly selected.

Error: Please use xcode-select to select an Xcode installation:

Error: sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer # version 4.6.1

Error:

Warning: xcodebuild exists but failed to execute

Warning: Xcode does not appear to be installed; most ports will likely fail to build.

---> Computing dependencies for zlib

---> Extracting zlib

Error: Couldn't determine your Xcode version (from '/usr/bin/xcodebuild -version').

Error:

Error: If you have not installed Xcode, install it now; see:

Error:

Error: org.macports.extract for port zlib returned: unable to find Xcode

Please see the log file for port zlib for details:

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_archivers_zlib/zlib/main.log

Error: Unable to upgrade port: 1

Error: Unable to execute port: upgrade zlib failed

There were package installation errors, make sure to read the log.

意味プー。

xcodeが怪しいとのことで

ここを参考に

xcodeのpathを変更。

すると、

できた。