Attempt to fix CI for vendored SFML

Author: crumblingstatue

.github/workflows/rust.yml

@@ -23,26 +23,12 @@ jobs:
       run: |
        sudo apt-get update
        sudo apt-get install libpthread-stubs0-dev libgl1-mesa-dev libx11-dev libx11-xcb-dev libxcb-image0-dev libxrandr-dev libxcb-randr0-dev libudev-dev libfreetype6-dev libglew-dev libjpeg8-dev libgpgme11-dev libsndfile1-dev libopenal-dev libjpeg62 libxcursor-dev cmake libclang-dev clang
-    - name: Set up SFML
-      run: |
-       set -e
-       mkdir sfml_install
-       # TODO: Maybe investigate why the certificate checks for the SFML sources fail
-       wget https://www.sfml-dev.org/files/SFML-2.6.0-sources.zip --no-check-certificate
-       unzip -q SFML-2.6.0-sources.zip
-       pushd SFML-2.6.0 && mkdir build && cd build && cmake .. && make
-       make DESTDIR=$GITHUB_WORKSPACE/sfml_install install
-       popd
     - name: Build
       run: |
-       export SFML_INCLUDE_DIR=$GITHUB_WORKSPACE/sfml_install/usr/local/include
-       export SFML_LIBS_DIR=$GITHUB_WORKSPACE/sfml_install/usr/local/lib
+       git submodule update --init
        cargo build --verbose
     - name: Run tests
       run: |
-       export LD_LIBRARY_PATH=$GITHUB_WORKSPACE/sfml_install/usr/local/lib
-       export SFML_INCLUDE_DIR=$GITHUB_WORKSPACE/sfml_install/usr/local/include
-       export SFML_LIBS_DIR=$GITHUB_WORKSPACE/sfml_install/usr/local/lib
        cargo test --features ci-headless --verbose
        # Also test non-default feature combinations
        cargo test --no-default-features --features=ci-headless --verbose