add macos builds to CI

.github/workflows/build.yml

@@ -107,13 +107,14 @@ jobs:
           add: "reports maps"
           message: ${{ env.REPORTS_COMMIT_MSG }}
 
-  platforms_linux:
+  ports:
     strategy:
       matrix: 
         platform: ["sdl", "sdl_win32", "win32"]
+        os: ["ubuntu-22.04", "macos-15"]
     if: ${{ github.event_name == 'push' || github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork || github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.fork}} 
-    runs-on: ubuntu-22.04
-    name: Linux build ${{ matrix.platform }}
+    runs-on: ${{ matrix.os }}
+    name: Build ${{ matrix.platform }} (${{ matrix.os }})
     steps:
       - name: Checkout PR
         if: ${{ github.event_name == 'pull_request' || github.event_name == 'pull_request_target'}} 
@@ -125,9 +126,15 @@ jobs:
         if: ${{ github.event_name == 'push' }}
         uses: actions/checkout@master
 
-      - name: Install tools
+      - name: Install tools (Linux)
+        if: ${{ matrix.os == 'ubuntu-22.04' }}
         run: |
           sudo apt update && sudo apt install xorg-dev libsdl2-dev gcc-mingw-w64 libarchive-tools
+
+      - name: Install Tools (Macos)
+        if: ${{ matrix.os == 'macos-15' }}
+        run: |
+          brew install libpng sdl2 mingw-w64 arm-none-eabi-gcc
   
       - name: Install SDL for win32
         if: ${{ matrix.platform == 'sdl_win32' }}

INSTALL.md

@@ -37,12 +37,9 @@ sudo apt install build-essential binutils-arm-none-eabi gcc-arm-none-eabi libpng
 ### On MacOS
 
 ```
-brew install libpng sdl2 mingw-w64
+brew install libpng sdl2 mingw-w64 arm-none-eabi-gcc
 ```
 
-Install [**devkitARM**](http://devkitpro.org/wiki/Getting_Started/devkitARM) (Skip if not building the GBA)
-
-
 ## Install `agbcc` into the repo (skip if not compiling for the GBA)
 
 Clone the [agbcc](https://github.com/SAT-R/agbcc) repo into another folder