Try Install ree-1.8.7-2011.03 and 1.9.3.-rc1 - BUILD FAILED

[danieldocki]

~ $ rbenv install ree-1.8.7-2011.03
Downloading http://rubyenterpriseedition.googlecode.com/files/ruby-enterprise-1.8.7-2011.03.tar.gz...
Installing ruby-enterprise-1.8.7-2011.03...

BUILD FAILED

Inspect or clean up the working tree at /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021133605.1745
Results logged to /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021133605.1745.log

and 1.9.3-rc1 is same case

[sstephenson]

So, did you take a look at the log file?

[danieldocki]

ree

~ $ tail /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021151712.1055.log

• To install Zlib development headers:
  Please download it from http://www.zlib.net/
• To install OpenSSL development headers:
  Please download it from http://www.openssl.org/
• To install GNU Readline development headers:
  Please download it from http://cnswww.cns.cwru.edu/php/chet/readline/rltop.html

But I have zlib, openssl and readline installed

1.9.3-rc1

~ $ tail /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021152331.1268.log
x ruby-1.9.3-rc1/win32/win32.c
x ruby-1.9.3-rc1/win32/winmain.c
/var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021152331.1268/ruby-1.9.3-rc1 /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021152331.1268 ~
checking build system type... x86_64-apple-darwin11.2.0
checking host system type... x86_64-apple-darwin11.2.0
checking target system type... x86_64-apple-darwin11.2.0
checking whether the C compiler works... no
configure: error: in /var/folders/v1/wfk93jv14q1_9hxlhs4f0qfh0000gn/T/ruby-build.20111021152331.1268/ruby-1.9.3-rc1': configure: error: C compiler cannot create executables Seeconfig.log' for more details

~ $ ruby -v
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86_64-darwin11.2.0]

[sstephenson]

I believe this is because you're using Xcode 4.2, which no longer ships with GCC. You need GCC in order to build most versions of Ruby.

You can find GCC binary packages for OS X here: https://github.com/kennethreitz/osx-gcc-installer/downloads