CI: AppImage build (#25)

.github/workflows/build.yml

@@ -95,6 +95,35 @@ jobs:
           name: Mesen (Linux - ${{ matrix.os }} - ${{ matrix.compiler }})
           path: bin/linux-x64/Release/linux-x64/publish/Mesen
 
+  appimage:
+    runs-on: ubuntu-20.04
+
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Install .NET Core
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 6.x
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update -qy
+          sudo apt-get install -qy libsdl2-dev libfuse2 # The compilers are already installed on GitHub's runners.
+
+      - name: Build Mesen (AppImage)
+        run: |
+          Linux/appimage/appimage.sh
+      - name: Upload Mesen (AppImage)
+        uses: actions/upload-artifact@v3
+        with:
+          name: Mesen (Linux x64 - AppImage)
+          path: Mesen.AppImage
+
+
   macos:
     strategy:
       matrix:

Linux/appimage/Mesen.desktop

@@ -0,0 +1,10 @@
+[Desktop Entry]
+Version=1.0
+Icon=Mesen
+Exec=Mesen %f
+Terminal=false
+Type=Application
+Categories=Game;Emulator;
+Name=Mesen
+GenericName=Multi-system emulator
+Comment=Multi-system emulator (NES, SNES, GB, PCE)

Linux/appimage/appimage.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+export PUBLISHFLAGS="-r linux-x64 --no-self-contained false -p:PublishSingleFile=true -p:PublishReadyToRun=true"
+make -j$(nproc) -O LTO=true STATICLINK=true SYSTEM_LIBEVDEV=false
+
+curl -SL https://github.com/AppImage/AppImageKit/releases/download/continuous/appimagetool-x86_64.AppImage -o appimagetool
+
+mkdir -p AppDir/usr/bin
+cp bin/linux-x64/Release/linux-x64/publish/Mesen AppDir/usr/bin
+chmod +x AppDir/usr/bin
+ln -sr AppDir/usr/bin/Mesen AppDir/AppRun
+
+cp Linux/appimage/Mesen.48x48.png AppDir/Mesen.png
+cp Linux/appimage/Mesen.desktop AppDir/Mesen.desktop
+mkdir -p AppDir/usr/share/applications && cp ./AppDir/Mesen.desktop ./AppDir/usr/share/applications
+mkdir -p AppDir/usr/share/icons && cp ./AppDir/Mesen.png ./AppDir/usr/share/icons
+mkdir -p AppDir/usr/share/icons/hicolor/48x48/apps && cp ./AppDir/Mesen.png ./AppDir/usr/share/icons/hicolor/48x48/apps
+
+chmod a+x appimagetool
+./appimagetool AppDir/ Mesen.AppImage

makefile

@@ -98,7 +98,7 @@ CFLAGS = -fPIC -Wall $(MESENFLAGS)
 OBJFOLDER := obj.$(MESENPLATFORM)
 RELEASEFOLDER := bin/$(MESENPLATFORM)/Release
 
-PUBLISHFLAGS :=  -r $(MESENPLATFORM) --no-self-contained true -p:PublishSingleFile=true
+PUBLISHFLAGS ?=  -r $(MESENPLATFORM) --no-self-contained true -p:PublishSingleFile=true
 
 CORESRC := $(shell find Core -name '*.cpp')
 COREOBJ := $(CORESRC:.cpp=.o)