homebrew diag info for issue 21617

gistfile1.txt

/* --config */

HOMEBREW_VERSION: 0.9.5
ORIGIN: https://github.com/Homebrew/homebrew
HEAD: 808097a933dcebe97258c41a220619712ee2d7cc
HOMEBREW_PREFIX: /usr/local
HOMEBREW_CELLAR: /usr/local/Cellar
CPU: quad-core 64-bit haswell
OS X: 10.9.4-x86_64
Xcode: 5.1.1
Clang: 5.1 build 503
X11: N/A
System Ruby: 2.0.0-451
Perl: /usr/bin/perl
Python: /usr/bin/python
Ruby: /usr/bin/ruby

/* doctor */

Warning: You have a curlrc file
If you have trouble downloading packages with Homebrew, then maybe this
is the problem? If the following command doesn't work, then try removing
your curlrc:
  curl http://github.com

/* upgrade */

==> Upgrading 3 outdated packages, with result:
grep 2.20, libpng 1.6.12, mongodb 2.6.2
==> Upgrading grep
==> Downloading http://ftpmirror.gnu.org/grep/grep-2.20.tar.xz
Already downloaded: /Library/Caches/Homebrew/grep-2.20.tar.xz
==> ./configure --disable-nls --prefix=/usr/local/Cellar/grep/2.20 --infodir=/usr/local/Cellar/grep/2.20/share/info --ma
checking for suffix of executables... 
checking whether we are cross compiling... configure: error: in `/private/tmp/grep-7xFO/grep-2.20':
configure: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.
See `config.log' for more details

READ THIS: https://github.com/Homebrew/homebrew/wiki/troubleshooting
If reporting this issue please do so at (not Homebrew/homebrew):
  https://github.com/homebrew/homebrew-dupes/issues

Error: uninitialized constant GitHub::OpenSSL
Please report this bug:
    https://github.com/Homebrew/homebrew/wiki/troubleshooting
/usr/local/Library/Homebrew/utils.rb:319:in `rescue in open'
/usr/local/Library/Homebrew/utils.rb:304:in `open'
/usr/local/Library/Homebrew/utils.rb:345:in `issues_matching'
/usr/local/Library/Homebrew/utils.rb:373:in `issues_for_formula'
/usr/local/Library/Homebrew/exceptions.rb:171:in `fetch_issues'
/usr/local/Library/Homebrew/exceptions.rb:167:in `issues'
/usr/local/Library/Homebrew/exceptions.rb:208:in `dump'
/usr/local/Library/Homebrew/cmd/upgrade.rb:84:in `rescue in upgrade_formula'
/usr/local/Library/Homebrew/cmd/upgrade.rb:92:in `upgrade_formula'
/usr/local/Library/Homebrew/cmd/upgrade.rb:43:in `block in upgrade'
/usr/local/Library/Homebrew/cmd/upgrade.rb:43:in `each'
/usr/local/Library/Homebrew/cmd/upgrade.rb:43:in `upgrade'
/usr/local/Library/brew.rb:106:in `<main>'