I know a number of us work on Mac, and many have suffered the frustrations of losing gdb for core file debugging when Apple moved on to Yosemite. However, I just found out that gdb is actually available again! You can read how to install it here:
http://stackoverflow.com/questions/27680712/homebrew-gdb-cant-open-core-file-on-yosemite-10-10 <http://stackoverflow.com/questions/27680712/homebrew-gdb-cant-open-core-file-on-yosemite-10-10> Enjoy! Ralph
