Add build action

.github/workflows/linux-build.yml

@@ -0,0 +1,44 @@
+name: Linux build
+
+on:
+  push:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install mipsel toolchain
+      run: |
+        sudo apt-get update
+        sudo apt-get install gcc-mipsel-linux-gnu g++-mipsel-linux-gnu binutils-mipsel-linux-gnu p7zip  cmake build-essential libtinyxml2-6 libtinyxml2-dev
+    - name: Fetch submodules
+      run: git submodule update --init --recursive
+    - name: Clone mkpsxiso
+      uses: GuillaumeFalourd/clone-github-repo-action@v1
+      with:
+        owner: 'Lameguy64'
+        repository: 'mkpsxiso'
+    - name: Build mkpsxiso
+      run: |
+        sudo chown -R runner:docker ${{github.workspace}}/mkpsxiso/
+        mkdir ${{github.workspace}}/mkpsxiso/build
+        cmake -DCMAKE_BUILD_TYPE=Release -S ${{github.workspace}}/mkpsxiso/ -B ${{github.workspace}}/mkpsxiso/build
+        cmake --build ${{github.workspace}}/mkpsxiso/build
+        echo "${{github.workspace}}/mkpsxiso/build" >> $GITHUB_PATH
+    - name: Get converted libs
+      run: |
+        wget http://psx.arthus.net/sdk/Psy-Q/psyq-4.7-converted-full.7z
+        7z x psyq-4.7-converted-full.7z -o./psyq
+    - name: Make all
+      run: make all
+    - name: Upload bin/cue
+      uses: actions/upload-artifact@v2
+      with: 
+        name: 3dcam-latest
+        path: |
+          ${{github.workspace}}/3dcam-headers/3dcam.bin
+          ${{github.workspace}}/3dcam-headers/3dcam.cue