√ Zephyros (window manager) needs universal access:
http://www.tekrevue.com/2013/06/25/how-to-enable-access-for-assistive-devices-in-os-x-mavericks/

√ gcc can’t find stdio.h (& similar) - /usr/include got blown away
xcode-select --install
see https://github.com/mxcl/homebrew/issues/20427

√ java install got blown away & replaced with a stub that says to download java
http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html

√ git svn rebase failed (publisher uses svn) due to perl issues (git install got blown away)
moved /Library/Developer/CommandLineTools/usr/libexec/git-core to start of PATH
http://undefinedvalue.com/2013/08/21/solving-symbol-not-found-perlgthrkeyptr-when-running-git-svn-certain-unnamed-operating-sy

√ rvm install 1.9.3 #=> fails
- brew update
- brew reinstall gmp4
- brew install openssl
- rvm install 1.9.3 #=> fails
    Error: mpfr2 dependency gmp4 was built with the following
    C++ standard library: libstdc++ (from clang)

    This is incompatible with the standard library being used
    to build mpfr2: libc++ (from clang)

    Please reinstall gmp4 using a compatible compiler.
    hint: Check https://github.com/mxcl/homebrew/wiki/C++-Standard-Libraries
- brew upgrade
  - bail, this takes too long
- download/install latest xcode (5.0.1)
- rvm install 1.9.3 #=> fails
- brew reinstall gmp4
- rvm install 1.9.3 #=> works! yay!

√ rvm reinstall ruby-1.9.3-p194 #=> fails
- derp
- CC=/usr/local/bin/gcc-4.6 rvm reinstall 1.9.3-p194
  => ok