CI: Add MinGW builds with SDL

.github/workflows/build.yml

@@ -138,18 +138,16 @@ jobs:
           LIBGL_ALWAYS_SOFTWARE=true xvfb-run ./AutomatedTest ogles2
 
   mingw:
-    name: MinGW ${{matrix.config.arch}}
+    name: "MinGW ${{matrix.config.variant}}${{matrix.config.extras}}"
     runs-on: ubuntu-20.04
     strategy:
       fail-fast: false
       matrix:
         config:
-          -
-            bits: 32
-            arch: i686
-          -
-            bits: 64
-            arch: x86_64
+          - {variant: win32, arch: i686}
+          - {variant: win64, arch: x86_64}
+          - {variant: win32, arch: i686, extras: "-sdl"}
+          - {variant: win64, arch: x86_64, extras: "-sdl"}
     steps:
       - uses: actions/checkout@v3
       - name: Install compiler
@@ -164,11 +162,12 @@ jobs:
         env:
           CC: ${{matrix.config.arch}}-w64-mingw32-gcc
           CXX: ${{matrix.config.arch}}-w64-mingw32-g++
+          extras: ${{matrix.config.extras}}
 
       - uses: actions/upload-artifact@v3
         with:
-          name: irrlicht-win${{matrix.config.bits}}
-          path: ./irrlicht-win${{matrix.config.bits}}.zip
+          name: irrlicht-${{matrix.config.variant}}${{matrix.config.extras}}
+          path: ./irrlicht-${{matrix.config.variant}}${{matrix.config.extras}}.zip
 
   macos:
     runs-on: macos-latest

scripts/ci-build-mingw.sh

@@ -4,9 +4,14 @@
 
 variant=win32
 [[ "$(basename "$CXX")" == "x86_64-"* ]] && variant=win64
+with_sdl=0
+[[ "$extras" == *"-sdl"* ]] && with_sdl=1
+#with_gl3=0
+#[[ "$extras" == *"-gl3"* ]] && with_gl3=1
 
 libjpeg_version=2.1.5.1
 libpng_version=1.6.39
+sdl2_version=2.28.1
 zlib_version=1.2.13
 
 mkdir -p libs
@@ -16,10 +21,13 @@ libs=$PWD
 	wget "http://minetest.kitsunemimi.pw/libjpeg-$libjpeg_version-$variant.zip" -O libjpeg.zip
 [ -e libpng.zip ] || \
 	wget "http://minetest.kitsunemimi.pw/libpng-$libpng_version-$variant.zip" -O libpng.zip
+[[ $with_sdl -eq 0 || -e sdl2.zip ]] || \
+	wget "http://minetest.kitsunemimi.pw/sdl2-$sdl2_version-$variant.zip" -O sdl2.zip
 [ -e zlib.zip ] || \
 	wget "http://minetest.kitsunemimi.pw/zlib-$zlib_version-$variant.zip" -O zlib.zip
 [ -d libjpeg ] || unzip -o libjpeg.zip -d libjpeg
 [ -d libpng ] || unzip -o libpng.zip -d libpng
+[[ $with_sdl -eq 0 || -d sdl2 ]] || unzip -o sdl2.zip -d sdl2
 [ -d zlib ] || unzip -o zlib.zip -d zlib
 popd
 
@@ -32,6 +40,11 @@ tmp=(
 	-DZLIB_LIBRARY=$libs/zlib/lib/libz.dll.a \
 	-DZLIB_INCLUDE_DIR=$libs/zlib/include
 )
+[ $with_sdl -eq 1 ] && tmp+=(
+	-DUSE_SDL2=ON
+	-DCMAKE_PREFIX_PATH=$libs/sdl2/lib/cmake
+)
+#[ $with_gl3 -eq 1 ] && tmp+=(-DENABLE_OPENGL=OFF -DENABLE_OPENGL3=ON)
 
 cmake . "${tmp[@]}"
 make -j$(nproc)
@@ -41,8 +54,9 @@ if [ "$1" = "package" ]; then
 	# strip library
 	"${CXX%-*}-strip" --strip-unneeded _install/usr/local/lib/*.dll
 	# bundle the DLLs that are specific to Irrlicht (kind of a hack)
-	cp -p $libs/*/bin/lib{jpeg,png}*.dll _install/usr/local/lib/
+	shopt -s nullglob
+	cp -p $libs/*/bin/{libjpeg,libpng,SDL}*.dll _install/usr/local/lib/
 	# create a ZIP
-	(cd _install/usr/local; zip -9r "$OLDPWD"/irrlicht-$variant.zip -- *)
+	(cd _install/usr/local; zip -9r "$OLDPWD/irrlicht-$variant$extras.zip" -- *)
 fi
 exit 0