CI: build custom SDL

.github/workflows/binaries.yaml

@@ -7,10 +7,12 @@ on:
     paths:
       - '.github/workflows/binaries.yaml'
       - 'macosx/*.sh'
+      - 'win32/*.sh'
   pull_request:
     paths:
       - '.github/workflows/binaries.yaml'
       - 'macosx/*.sh'
+      - 'win32/*.sh'
 
 jobs:
 
@@ -118,6 +120,8 @@ jobs:
           coreutils
           make
           mingw-w64-x86_64-toolchain
+          autoconf-wrapper
+          mingw-w64-x86_64-autotools
           mingw64/mingw-w64-x86_64-SDL2
           mingw64/mingw-w64-x86_64-SDL2_image
           mingw64/mingw-w64-x86_64-SDL2_ttf
@@ -134,6 +138,16 @@ jobs:
     - uses: actions/checkout@v4
       with:
         submodules: recursive
+    - name: Build libs
+      shell: msys2 {0}
+      run: |
+        mkdir -p win32-lib-src
+        cd win32-lib-src
+        ../win32/native-compile-libs-win32.sh
+    - name: Uninstall system libs
+      shell: msys2 {0}
+      run: |
+          pacman -R --noconfirm mingw-w64-x86_64-SDL2 mingw-w64-x86_64-SDL2_image mingw-w64-x86_64-SDL2_ttf
     - name: Build RELEASE
       shell: msys2 {0}
       run: make native CONF=RELEASE -j2

win32/native-compile-libs-win32.sh

@@ -0,0 +1,77 @@
+#!/bin/bash
+
+SDL_SRC=SDL2-2.30.10
+SDL_URL="https://github.com/libsdl-org/SDL/releases/download/release-2.30.10/SDL2-2.30.10.tar.gz"
+IMAGE_SRC=SDL2_image-2.8.4
+IMAGE_URL="https://github.com/libsdl-org/SDL_image/releases/download/release-2.8.4/SDL2_image-2.8.4.tar.gz"
+TTF_SRC=SDL2_ttf-2.22.0
+TTF_URL="https://github.com/libsdl-org/SDL_ttf/releases/download/release-2.22.0/SDL2_ttf-2.22.0.tar.gz"
+
+# IMPORTANT: dynapi has to be disabled in SDL2-*/src/dynapi/SDL_dynapi.h
+#            loadso is now required for hardware renderers
+# TODO: disable dynapi using sed?
+# TODO: automate copying of output
+
+ARCH=`gcc -dumpmachine | sed "s/-.*$//"`
+OUTPUT_FLAGS="--enable-static --disable-shared" # --with-gnu-ld"
+IMAGE_FEATURE_FLAGS="--disable-sdltest --disable-freetypetest"
+TTF_FEATURE_FLAGS="--disable-sdltest --disable-avif --disable-jpg-shared --disable-save-jpg --disable-jxl --disable-jxl-shared --disable-lbm --disable-pcx --disable-png-shared --disable-save-png --disable-pnm --disable-svg --disable-tga --disable-tif --disable-tif-shared --disable-xcf --disable-xpm --disable-xv --disable-goi"
+SDL_FEATURE_FLAGS="--disable-alsatest --disable-esdtest --disable-audio --disable-joystick --disable-haptic --disable-sensor --disable-power --disable-filesystem --disable-cpuinfo --disable-jack --disable-esd --disable-pipewire --disable-pulseaudio --disable-arts --disable-nas --disable-sndio --disable-fusionsound --disable-diskaudio --disable-dummyaudio --disable-libsamplerate --disable-libudev"
+#RELEASE_FLAGS="-ffunction-sections -fdata-sections -Wl,--gc-sections -Os -s"
+RELEASE_FLAGS="-ffunction-sections -fdata-sections -Os"
+
+build() {
+    [ -z "$2" ] && exit 1
+    SRC="$1"
+    TARGET="$3"
+    FEATURE_FLAGS="$4"
+    BUILD="build/$TARGET/$2"
+
+    echo "Building $2 on $ARCH"
+
+    CONFIGURE_FLAGS="$OUTPUT_FLAGS $FEATURE_FLAGS"
+    echo "$SRC -> $BUILD"
+    if [ -d "$BUILD" ]; then rm -R "$BUILD" ; fi
+    mkdir -p "$BUILD"
+    cd "$BUILD"
+    ../../../$SRC/configure $CONFIGURE_FLAGS
+    make -j4
+    cd ../../..
+}
+
+# Download missing sources
+if [ ! -d $SDL_SRC ]; then
+    wget "$SDL_URL"
+    tar -xzvf "$SDL_SRC.tar.gz"
+fi
+if [ ! -d $IMAGE_SRC ]; then
+    wget "$IMAGE_URL"
+    tar -xzvf "$IMAGE_SRC.tar.gz"
+    cd "$IMAGE_SRC"
+    autoreconf -f -i  # for whatever reason this seems to be required
+    cd ..
+fi
+if [ ! -d $TTF_SRC ]; then
+    wget "$TTF_URL"
+    tar -xzvf "$TTF_SRC.tar.gz"
+fi
+
+build $SDL_SRC "sdl" "native" "$SDL_FEATURE_FLAGS"
+build $IMAGE_SRC "sdl2_image" "native" "$IMAGE_FEATURE_FLAGS"
+build $TTF_SRC "sdl2_ttf" "native" "$TTF_FEATURE_FLAGS"
+
+DST=`realpath "../win32-lib/$ARCH"`
+echo "build/... -> $DST"
+mkdir -p $DST/include/SDL2
+mkdir -p $DST/lib
+cp $SDL_SRC/include/*  "$DST/include/SDL2/"
+cp $IMAGE_SRC/include/*  "$DST/include/SDL2/"
+cp $TTF_SRC/*.h  "$DST/include/SDL2/"
+cp build/native/sdl/include/* "$DST/include/SDL2/"
+cp build/native/sdl/build/.libs/* "$DST/lib/"
+cp build/native/sdl/build/*.la "$DST/lib/"
+cp build/native/sdl2_image/.libs/* "$DST/lib/"
+cp build/native/sdl2_image/*.la "$DST/lib/"
+cp build/native/sdl2_ttf/.libs/* "$DST/lib/"
+cp build/native/sdl2_ttf/*.la "$DST/lib/"
+ls $DST/*