*shell*

bash-3.2$ cd ~/src/rubinius/
bash-3.2$ git tag
cpp-merge
pre-cleanup
release-0.12
release-0.13.0
release-1.0.0-rc1
v0.9.0
bash-3.2$ git co -b 1.0.0-rc1 release-1.0.0-rc1
Switched to a new branch '1.0.0-rc1'
bash-3.2$ git st
# On branch 1.0.0-rc1
nothing to commit (working directory clean)
bash-3.2$ ./configure --help
Usage: configure [options]

 LLVM settings
   --enable-llvm [MODE]       Build with LLVM
   --llvm-path PATH           Where to find LLVM
   --update-prebuilt          Update prebuilt LLVM packages from the internet

 File system paths for installing Rubinius
   -P, --prefix PATH          Install Rubinius in subdirectories of PATH
   -B, --bindir PATH          Install Rubinius executable in PATH
   -I, --includedir PATH      Install Rubinius C-API include files in PATH
   -L, --libdir PATH          Install Ruby library in PATH
   -M, --mandir PATH          Install man pages in PATH
   -G, --gemsdir PATH         Install gems in PATH

 Help!
   -V, --verbose              Print debugging info
   -h, --help                 Show this message

bash-3.2$ ./configure --prefix=$HOME/Homebrew/Cellar/rubinius/1.0.0-rc1
Using LLVM: no
Checking for function 'backtrace': found!
bash-3.2$ ./configure --prefix=$HOME/Homebrew/Cellar/rubinius/1.0.0-rc1 --llvm-path=$HOME/Homebrew
Using LLVM: no
Checking for function 'backtrace': found!
bash-3.2$ which llvm-config
/Users/tim/Homebrew/bin/llvm-config
bash-3.2$ llvm-config --version
2.5
bash-3.2$