Use our own SDL2 build for the Linux AppImage

.github/workflows/linux.yml

@@ -28,7 +28,10 @@ jobs:
       - name: Install deps
         run: |
           apt-get update
-          apt-get install -y g++ libgtk-3-dev libgl-dev libglew-dev libcurl4-openssl-dev libpng-dev libjpeg-dev libfreetype6-dev libsdl2-dev cmake ninja-build desktop-file-utils ca-certificates wget file --no-install-recommends
+          apt-get install -y g++ libgtk-3-dev libgl-dev libglew-dev libcurl4-openssl-dev libpng-dev libjpeg-dev libfreetype6-dev cmake ninja-build desktop-file-utils ca-certificates wget file --no-install-recommends
+
+          wget https://github.com/principia-game/linux-deps/releases/download/latest/deps.tar.gz -O linux-deps.tar.gz
+          tar -xaf linux-deps.tar.gz -C /
 
       - name: Build
         run: |

packaging/build-appimage.sh

@@ -69,8 +69,6 @@ INCLUDE_LIBS=(
 	libGLEW.so.2.1
 	libjpeg.so.62
 	libpng16.so.16
-	libSDL2-2.0.so.0
-	libXss.so.1
 )
 
 mkdir -p usr/lib/
@@ -78,6 +76,9 @@ for i in "${INCLUDE_LIBS[@]}"; do
 	cp /usr/lib/x86_64-linux-gnu/$i usr/lib/
 done
 
+# Copy our own built SDL2
+cp /usr/lib/libSDL2-2.0.so.0 usr/lib/
+
 # Actually build the appimage
 cd ..
 # LZMA compression since appimagelauncher doesn't support Zstd

src/tms/backend/main.cc

@@ -330,6 +330,16 @@ int main(int argc, char **argv)
         }
     }
 
+    SDL_version compiled;
+    SDL_VERSION(&compiled);
+    tms_infof("Compiled against SDL v%u.%u.%u",
+        compiled.major, compiled.minor, compiled.patch);
+
+    SDL_version linked;
+    SDL_GetVersion(&linked);
+    tms_infof("Linked against SDL v%u.%u.%u",
+        linked.major, linked.minor, linked.patch);
+
     tms_infof("Initializing SDL...");
     SDL_Init(SDL_INIT_VIDEO);
     SDL_DisplayMode mode;