better instructions for uwebsockets

README.md

@@ -15,9 +15,15 @@ Self-Driving Car Engineer Nanodegree Program
   * Linux: gcc / g++ is installed by default on most Linux distros
   * Mac: same deal as make - [install Xcode command line tools]((https://developer.apple.com/xcode/features/)
   * Windows: recommend using [MinGW](http://www.mingw.org/)
-* [uWebSockets](https://github.com/uWebSockets/uWebSockets) == 0.14, but the master branch will probably work just fine
-  * Follow the instructions in the [uWebSockets README](https://github.com/uWebSockets/uWebSockets/blob/master/README.md) to get setup for your platform. You can download the zip of the appropriate version from the [releases page](https://github.com/uWebSockets/uWebSockets/releases). Here's a link to the [v0.14 zip](https://github.com/uWebSockets/uWebSockets/archive/v0.14.0.zip).
-  * If you have MacOS and have [Homebrew](https://brew.sh/) installed you can just run the ./install-mac.sh script to install this.
+* [uWebSockets](https://github.com/uWebSockets/uWebSockets)
+  * Run either `install_uwebsockets_mac.sh` or `install_uwebsockets_ubuntu.sh`.
+  * If you install from source, checkout to commit `e94b6e1`, i.e.
+    ```
+    git clone https://github.com/uWebSockets/uWebSockets 
+    cd uWebSockets
+    git checkout e94b6e1
+    ```
+    Some function signatures have changed in v0.14.x. See [this PR](https://github.com/udacity/CarND-MPC-Project/pull/3) for more details.
 * Fortran Compiler
   * Mac: `brew install gcc` (might not be required)
   * Linux: `sudo apt-get install gfortran`. Additionall you have also have to install gcc and g++, `sudo apt-get install gcc g++`. Look in [this Dockerfile](https://github.com/udacity/CarND-MPC-Quizzes/blob/master/Dockerfile) for more info.

install-mac.sh → install_uwebsockets_mac.sh

@@ -2,7 +2,7 @@
 brew install openssl libuv cmake zlib
 git clone https://github.com/uWebSockets/uWebSockets 
 cd uWebSockets
-# git checkout e94b6e1
+git checkout e94b6e1
 patch CMakeLists.txt < ../cmakepatch.txt
 mkdir build
 export PKG_CONFIG_PATH=/usr/local/opt/openssl/lib/pkgconfig 

install-ubuntu.sh → install_uwebsockets_ubuntu.sh

@@ -2,7 +2,7 @@
 sudo apt-get install libuv1-dev
 git clone https://github.com/uWebSockets/uWebSockets 
 cd uWebSockets
-# git checkout e94b6e1
+git checkout e94b6e1
 mkdir build
 cd build
 cmake ..