Installing OpenMM from Source on Lab Nvidia iMacs

1. Installed Xcode6.3 from the apple developer website (https://developer.apple.com/downloads/).
2. Use xcode-select –switch <path>/Xcode-6.3.app/Contents/Developer (Answer by mskkdt in https://devtalk.nvidia.com/default/topic/879431/cuda-programming-and-performance/nvcc-amp-clang-7-no-typo-here-/)
3. Follow the subsequent procedure.
4. Link cuda SKD root dir in ccmake to /usr/local/cuda/samples as mentioned here https://devtalk.nvidia.com/default/topic/797232/cuda_sdk_root_dir-notfound/
Other links that turned out to be useful:
1. Install DMG from command line http://commandlinemac.blogspot.in/2008/12/installing-dmg-application-from-command.html
2. Install pkg from command line http://apple.stackexchange.com/questions/72226/installing-pkg-with-terminal
3. Cuda7.0: 
https://developer.nvidia.com/cuda-toolkit-70
4. Find OSX version from command line
http://unix.stackexchange.com/questions/582/how-can-i-tell-what-version-of-os-x-im-on-from-the-command-line
5. Mac OSX SKDs
https://github.com/phracker/MacOSX-SDKs
6. Print a variable in makefile. Use Anthony Earl Wong’s answer:
http://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
7. Xcode can’t be directly downloaded using wget or curl. Use this trick. Use the answer by Ethan:
http://stackoverflow.com/questions/4081568/downloading-xcode-with-wget-or-curl
  • open Google Chrome.app;
  • goto site developer.apple.com;
  • press CMD+SHIFT+J or click top-right Menuicon -> Tools -> Developer Tools;
  • click Network panel;
  • now click Xcode download link at apple.com;
  • you will see one or more request records in the Network panel;
  • right click the latest record, then click Copy as cURL;