Make error installing Ruby 1.9.2 via rvm OSX Lion 10.7.2 XCode 4.2
/Users/craigspaeth/.rvm/scripts/functions/utility: line 152: date: command not found
Installing yaml to /Users/craigspaeth/.rvm/usr
/Users/craigspaeth/.rvm/scripts/functions/utility: line 152: date: command not found
ERROR: Error running 'make install', please read /Users/craigspaeth/.rvm/log/ruby-1.9.2-p290/yaml/make.install.log

[] make install
Making install in include
make[2]: Nothing to be done for `install-exec-am'.
test -z "/Users/craigspaeth/.rvm/usr/include" || ../config/install-sh -c -d "/Users/craigspaeth/.rvm/usr/include"
 /usr/bin/install -c -m 644  yaml.h '/Users/craigspaeth/.rvm/usr/include/.'
Making install in src
test -z "/Users/craigspaeth/.rvm/usr/lib" || ../config/install-sh -c -d "/Users/craigspaeth/.rvm/usr/lib"
 /bin/sh ../libtool   --mode=install /usr/bin/install -c   libyaml.la '/Users/craigspaeth/.rvm/usr/lib'
libtool: install: /usr/bin/install -c .libs/libyaml-0.2.dylib /Users/craigspaeth/.rvm/usr/lib/libyaml-0.2.dylib
libtool: install: (cd /Users/craigspaeth/.rvm/usr/lib && { ln -s -f libyaml-0.2.dylib libyaml.dylib || { rm -f libyaml.dylib && ln -s libyaml-0.2.dylib libyaml.dylib; }; })
../libtool: line 941: ln: command not found
../libtool: line 941: rm: command not found
libtool: install: /usr/bin/install -c .libs/libyaml.lai /Users/craigspaeth/.rvm/usr/lib/libyaml.la
libtool: install: /usr/bin/install -c .libs/libyaml.a /Users/craigspaeth/.rvm/usr/lib/libyaml.a
libtool: install: chmod 644 /Users/craigspaeth/.rvm/usr/lib/libyaml.a
../libtool: line 941: chmod: command not found
make[2]: *** [install-libLTLIBRARIES] Error 127
make[1]: *** [install-am] Error 2
make: *** [install-recursive] Error 1

rvm install 1.9.2-head && rvm use 1.9.2-head --default

rvm install 1.9.3 && rvm use 1.9.3 --default

rvm install 1.9.2 && rvm use 1.9.2 --default

ruby-1.9.2-p290 - #extracting ruby-1.9.2-p290 to /Users/tandersen/.rvm/src/ruby-1.9.2-p290
    ruby-1.9.2-p290 - #extracted to /Users/tandersen/.rvm/src/ruby-1.9.2-p290
    Fetching yaml-0.1.4.tar.gz to /Users/tandersen/.rvm/archives
    Extracting yaml-0.1.4.tar.gz to /Users/tandersen/.rvm/src
    Configuring yaml in /Users/tandersen/.rvm/src/yaml-0.1.4.
    Compiling yaml in /Users/tandersen/.rvm/src/yaml-0.1.4.
    Installing yaml to /Users/tandersen/.rvm/usr
    ruby-1.9.2-p290 - #configuring
    ruby-1.9.2-p290 - #compiling
    ruby-1.9.2-p290 - #installing
    Removing old Rubygems files...
    Installing rubygems-1.8.10 for ruby-1.9.2-p290 ...
    Installation of rubygems completed successfully.
    ruby-1.9.2-p290 - adjusting #shebangs for (gem irb erb ri rdoc testrb rake).
    ruby-1.9.2-p290 - #importing default gemsets (/Users/tandersen/.rvm/gemsets/)
    Install of ruby-1.9.2-p290 - #complete
    Using /Users/tandersen/.rvm/gems/ruby-1.9.2-p290
    Snow-Pro:~ tandersen$

    Snow-Pro:~ tandersen$ irb
    ruby-1.9.2-p290 :001 > x = 3
    => 3
    ruby-1.9.2-p290 :002 > x*x
    => 9

rvm install 1.9.2 -C --with-gcc=clang