This branch contains modifications to the mozilla:release branch for compiling the Record Replay gecko based browser. ### Getting started: **Mac OSX** 1. `cp mozconfig.macsample mozconfig` 2. untar `MacOSX10.11.sdk.tar.xz` 3. run `./mach bootstrap` and select (2) Firefox Desktop 4. run `./mach build` **Other OS** 1. `cp mozconfig.sample mozconfig` 2. run `./mach bootstrap` and select (2) Firefox Desktop 3. run `./mach build`