Errors on build on Yosemite (OSX 10.10)

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Install OSX Yosemite
2. Install XCode 6.4
3. Run Script

What is the expected output? What do you see instead?
Seeing errors on run of gcc/g++ (clang)

What version of the product are you using? On what operating system?

Please provide any additional information below.
Output from uname -a
Version 14.4.0: Thu May 28 11:35:04 PDT 2015; 
root:xnu-2782.30.5~1/RELEASE_X86_64 x86_64
Looks like the version information is causing errors.

Original issue reported on code.google.com by jjmckenz...@gmail.com on 12 Jul 2015 at 1:43

[GoogleCodeExporter]

Duplicate of Patrick's issue. Will have to update script with his changes. A 
base install of XCode 6.4 results in no /DEVELOPER folder.

Original comment by jjmckenz...@gmail.com on 16 Jul 2015 at 8:06