Add build instructions for Linux

README.md

@@ -25,9 +25,8 @@ First you need to make sure you got all the build dependencies:
 
 Now, you are ready to build the python library:
 
-1. Run `git clone --recurse-submodules 
-   https://gitlab.ida.liu.se/davbe125/s2-python-api.git` in order to get the 
-   code and all its dependencies
+1. Open up a terminal, download the source code using the command:
+  `git clone --recurse-submodules https://gitlab.ida.liu.se/davbe125/s2-python-api.git`
 2. Next, open the repository in your file viewer and run the batch script 
    called `create-visual-studio-solution.bat` in order to use cmake to create a 
    Visual studio solution
@@ -42,6 +41,19 @@ Now, you are ready to build the python library:
    file. The file will be located at `build\python-api-src\Release` and its 
    name will depend on the python version used.
 
+# How to build (Linux, untested)
+
+Same dependencies applies as for Windows, although you don't need Visual
+Studio.
+
+1. Open up a terminal, download the source code using the command: `git clone
+   --recurse-submodules https://gitlab.ida.liu.se/davbe125/s2-python-api.git`
+2. Next, enter the directory and run the command `mkdir build` followed by `cd
+   build` and `cmake ..` in order to create the makefiles needed for building the
+   library.
+3. Run `make` to build the project (use `make -j N` if you want to use N
+   threads)
+
 # Credits
 
 CommandCenter is written by [David Churchill](http://www.cs.mun.ca/~dchurchill/), Assistant Professor of [Computer Science](https://www.cs.mun.ca/) at Memorial University, and organizer of the [AIIDE StarCraft AI