Update SDL2 to the latest commit (85bbf8e)

libs/SDL2/.github/workflows/psp.yaml

@@ -11,8 +11,39 @@ jobs:
     - name: Setup dependencies
       run: |
         apk update 
-        apk add cmake gmp mpc1 mpfr4 make
+        apk add cmake gmp mpc1 mpfr4 make pkgconf
     - name: Configure CMake
-      run: cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$PSPDEV/psp/share/pspdev.cmake -DSDL_TEST=ON
+      run: |
+        cmake -S . -B build \
+          -DCMAKE_TOOLCHAIN_FILE=$PSPDEV/psp/share/pspdev.cmake \
+          -DSDL_TESTS=ON \
+          -DSDL_INSTALL_TESTS=ON \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DCMAKE_INSTALL_PREFIX=prefix
     - name: Build
-      run: cmake --build build
+      run: cmake --build build --config Release
+    - name: Install
+      run: |
+        echo "SDL2_DIR=$(pwd)/prefix" >> $GITHUB_ENV
+        cmake --install build --config Release
+        ( cd prefix; find ) | LC_ALL=C sort -u
+    - name: Verify CMake configuration files
+      run: |
+        cmake -S cmake/test -B cmake_config_build \
+          -DCMAKE_TOOLCHAIN_FILE=$PSPDEV/psp/share/pspdev.cmake \
+          -DCMAKE_PREFIX_PATH=${{ env.SDL2_DIR }} \
+          -DTEST_SHARED=FALSE \
+          -DCMAKE_BUILD_TYPE=Release
+        cmake --build cmake_config_build --verbose
+    - name: Verify sdl2-config
+      run: |
+        export CC=psp-gcc
+        export PATH=${{ env.SDL2_DIR }}/bin:$PATH
+        export EXTRA_LDFLAGS="-L$PSPDEV/lib -L$PSPDEV/psp/lib -L$PSPDEV/psp/sdk/lib"
+        cmake/test/test_sdlconfig.sh
+    - name: Verify sdl2.pc
+      run: |
+        export CC=psp-gcc
+        export PKG_CONFIG_PATH=${{ env.SDL2_DIR }}/lib/pkgconfig
+        export EXTRA_LDFLAGS="-L$PSPDEV/lib -L$PSPDEV/psp/lib -L$PSPDEV/psp/sdk/lib"
+        cmake/test/test_pkgconfig.sh