fix ubuntu build

Author: segrax

.github/workflows/build-ubuntu.yml

@@ -8,16 +8,42 @@ on:
 
 jobs:
   ubuntu:
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
         with:
           submodules: recursive
 
-      - name: Install dependencies
+      - name: Install build tools
+        run: >-
+          sudo apt-get update --allow-releaseinfo-change &&
+          sudo apt-get install -y
+          cmake ninja-build build-essential git pkg-config
+          qt6-base-dev
+          libasound2-dev libpulse-dev libudev-dev libx11-dev libxext-dev
+          libxrandr-dev libxcursor-dev libxi-dev libxss-dev libxtst-dev
+          libwayland-dev libxkbcommon-dev libdrm-dev libgbm-dev
+          libegl1-mesa-dev libgl1-mesa-dev
+          libflac-dev libogg-dev libvorbis-dev libmpg123-dev libopusfile-dev
+          libxmp-dev
+
+      - name: Build SDL3
+        run: |
+          mkdir -p /tmp/sdl3
+          cd /tmp/sdl3
+          git clone --depth 1 --branch release-3.4.0 https://github.com/libsdl-org/SDL.git
+          cmake -S SDL -B SDL/build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local
+          cmake --build SDL/build
+          sudo cmake --install SDL/build
+
+      - name: Build SDL3_mixer
         run: |
-          sudo apt-get update
-          sudo apt-get install -y cmake ninja-build qt6-base-dev libsdl3-dev libsdl3-mixer-dev
+          mkdir -p /tmp/sdl3
+          cd /tmp/sdl3
+          git clone --depth 1 https://github.com/libsdl-org/SDL_mixer.git
+          cmake -S SDL_mixer -B SDL_mixer/build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=/usr/local -DSDLMIXER_VENDORED=OFF -DSDLMIXER_MOD_XMP=ON -DSDLMIXER_MOD_XMP_LITE=OFF -DSDLMIXER_MOD_XMP_SHARED=OFF
+          cmake --build SDL_mixer/build
+          sudo cmake --install SDL_mixer/build
 
       - name: Configure
         run: cmake -S . -B build -G Ninja

README.md

@@ -14,10 +14,17 @@ Windows (Visual Studio + vcpkg):
 2. The output is placed in `Run\` (exe + required DLLs/plugins).
 
 Linux (Ubuntu/Debian):
-1. Install deps: `sudo apt-get install cmake ninja-build qt6-base-dev libsdl3-dev libsdl3-mixer-dev`
-   (If SDL3 packages are unavailable, build/install SDL3 + SDL3_mixer from source.)
-2. Configure: `cmake -S . -B build -G Ninja`
-3. Build: `cmake --build build`
+1. Install deps: `sudo apt-get install cmake ninja-build qt6-base-dev build-essential git pkg-config`
+2. If SDL3 packages are available: `sudo apt-get install libsdl3-dev libsdl3-mixer-dev`
+3. If SDL3 packages are not available, build from source:
+   - `git clone https://github.com/libsdl-org/SDL.git`
+   - `cmake -S SDL -B SDL/build -G Ninja -DSDL_SHARED=ON -DSDL_STATIC=OFF -DSDL_TESTS=OFF`
+   - `sudo cmake --install SDL/build`
+   - `git clone https://github.com/libsdl-org/SDL_mixer.git`
+   - `cmake -S SDL_mixer -B SDL_mixer/build -G Ninja -DSDLMIXER_VENDORED=ON -DSDLMIXER_SHARED=ON -DSDLMIXER_STATIC=OFF -DSDLMIXER_TESTS=OFF`
+   - `sudo cmake --install SDL_mixer/build`
+4. Configure: `cmake -S . -B build -G Ninja`
+5. Build: `cmake --build build`
 
 Notes:
 * Dependencies are fetched with vcpkg via `Project\build_vs.cmd`.