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1) Prerequisites for OSX (10.7-10.11)
1a) Xcode
For a complete set of instructions, please see the complete list of pre-requisites packages.
DESDM eups uses Darwin's cc (clang compiler), so you will need to have Xcode 5.1.1 installed. installed. You will need a free developer's account to download them.
For a complete set of instructions, please see the complete list of pre-requisites packages.
Here is the link to get the Xcode (5.1.1) dmg dmg for OSX 10.8 and 10.9.
For OSX 10.7 you can use Xcode (4.6.2) dmg (you will need a free developer's account to download them.)
For Yosemite (OSX 10.10) we strongly recommend Xcode 6.3.1.
For El Capitan (OSX 10.11) we recommend Xcode 7.3.0
Make sure that you've agreed to the Xcode license agreements, please run 'xcodebuild -license.'
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