kc3-lang/SDL

diff --git a/build-scripts/android-prefab.sh b/build-scripts/android-prefab.sh
new file mode 100755
index 0000000..aef588e
--- /dev/null
+++ b/build-scripts/android-prefab.sh
@@ -0,0 +1,351 @@
+#!/bin/bash
+
+set -e
+
+if ! [ "x$ANDROID_NDK_HOME" != "x" -a -d "$ANDROID_NDK_HOME" ]; then
+    echo "ANDROID_NDK_HOME environment variable is not set"
+    exit 1
+fi
+
+if ! [ "x$ANDROID_HOME" != "x" -a -d "$ANDROID_HOME" ]; then
+    echo "ANDROID_HOME environment variable is not set"
+    exit 1
+fi
+
+if [ "x$ANDROID_API" = "x" ]; then
+    ANDROID_API="$(ls "$ANDROID_HOME/platforms" | grep -E "^android-[0-9]+$" | sed 's/android-//' | sort -n -r | head -1)"
+    if [ "x$ANDROID_API" = "x" ]; then
+        echo "No Android platform found in $ANDROID_HOME/platforms"
+        exit 1
+    fi
+else
+    if ! [ -d "$ANDROID_HOME/platforms/android-$ANDROID_API" ]; then
+        echo "Android api version $ANDROID_API is not available ($ANDROID_HOME/platforms/android-$ANDROID_API does not exist)" >2
+        exit 1
+    fi
+fi
+
+android_platformdir="$ANDROID_HOME/platforms/android-$ANDROID_API"
+
+echo "Building for android api version $ANDROID_API"
+echo "android_platformdir=$android_platformdir"
+
+scriptdir=$(cd -P -- "$(dirname -- "$0")" && printf '%s\n' "$(pwd -P)")
+sdl_root=$(cd -P -- "$(dirname -- "$0")/.." && printf '%s\n' "$(pwd -P)")
+
+build_root="${sdl_root}/build-android-prefab"
+
+android_abis="armeabi-v7a arm64-v8a x86 x86_64"
+android_api=19
+android_ndk=21
+android_stl="c++_shared"
+
+sdl_major=$(sed -ne 's/^#define SDL_MAJOR_VERSION  *//p' "${sdl_root}/include/SDL_version.h")
+sdl_minor=$(sed -ne 's/^#define SDL_MINOR_VERSION  *//p' "${sdl_root}/include/SDL_version.h")
+sdl_patch=$(sed -ne 's/^#define SDL_PATCHLEVEL  *//p' "${sdl_root}/include/SDL_version.h")
+sdl_version="${sdl_major}.${sdl_minor}.${sdl_patch}"
+echo "Building Android prefab package for SDL version $sdl_version"
+
+prefabhome="${build_root}/prefab-${sdl_version}"
+rm -rf "$prefabhome"
+mkdir -p "${prefabhome}"
+
+build_cmake_projects() {
+    for android_abi in $android_abis; do
+        echo "Configuring CMake project for $android_abi"
+        cmake -S "$sdl_root" -B "${build_root}/build_${android_abi}" \
+            -DCMAKE_TOOLCHAIN_FILE="$ANDROID_NDK_HOME/build/cmake/android.toolchain.cmake" \
+            -DANDROID_PLATFORM=${android_platform} \
+            -DANDROID_ABI=${android_abi} \
+            -DSDL_SHARED=ON \
+            -DSDL_STATIC=ON \
+            -DSDL_STATIC_PIC=ON \
+            -DSDL_TEST=ON \
+            -DSDL2_DISABLE_SDL2MAIN=OFF \
+            -DSDL2_DISABLE_INSTALL=OFF \
+            -DCMAKE_INSTALL_PREFIX="${build_root}/build_${android_abi}/prefix" \
+            -DCMAKE_INSTALL_INCLUDEDIR=include \
+            -DCMAKE_INSTALL_LIBDIR=lib \
+            -DCMAKE_BUILD_TYPE=Release \
+            -GNinja
+
+        rm -rf "${build_root}/build_${android_abi}/prefix"
+
+        echo "Building CMake project for $android_abi"
+        cmake --build "${build_root}/build_${android_abi}"
+
+        echo "Installing CMake project for $android_abi"
+        cmake --install "${build_root}/build_${android_abi}"
+    done
+}
+
+classes_sources_jar_path="${prefabhome}/classes-sources.jar"
+classes_jar_path="${prefabhome}/classes.jar"
+compile_java() {
+    classes_sources_root="${prefabhome}/classes-sources"
+
+    rm -rf "${classes_sources_root}"
+    mkdir -p "${classes_sources_root}/META-INF"
+
+    echo "Copying LICENSE.txt to java build folder"
+    cp "$sdl_root/LICENSE.txt" "${classes_sources_root}/META-INF"
+
+    echo "Copy JAVA sources to java build folder"
+    cp -r "$sdl_root/android-project/app/src/main/java/org" "${classes_sources_root}"
+
+    java_sourceslist_path="${prefabhome}/java_sources.txt"
+    pushd "${classes_sources_root}"
+        echo "Collecting sources for classes-sources.jar"
+        find "." -name "*.java" >"${java_sourceslist_path}"
+        find "META-INF" -name "*" >>"${java_sourceslist_path}"
+
+        echo "Creating classes-sources.jar"
+        jar -cf "${classes_sources_jar_path}" "@${java_sourceslist_path}"
+    popd
+
+    classes_root="${prefabhome}/classes"
+    mkdir -p "${classes_root}/META-INF"
+    cp "$sdl_root/LICENSE.txt" "${classes_root}/META-INF"
+    java_sourceslist_path="${prefabhome}/java_sources.txt"
+
+    echo "Collecting sources for classes.jar"
+    find "$sdl_root/android-project/app/src/main/java" -name "*.java" >"${java_sourceslist_path}"
+
+    echo "Compiling classes"
+    javac -encoding utf-8 -classpath "$android_platformdir/android.jar" -d "${classes_root}" "@${java_sourceslist_path}"
+
+    java_classeslist_path="${prefabhome}/java_classes.txt"
+    pushd "${classes_root}"
+        find "." -name "*.class" >"${java_classeslist_path}"
+        find "META-INF" -name "*" >>"${java_classeslist_path}"
+        echo "Creating classes.jar"
+        jar -cf "${classes_jar_path}" "@${java_classeslist_path}"
+    popd
+}
+
+pom_filename="SDL${sdl_major}-${sdl_version}.pom"
+pom_filepath="${prefabhome}/${pom_filename}"
+create_pom_xml() {
+    echo "Creating ${pom_filename}"
+    cat >"${pom_filepath}" <<EOF
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.libsdl.android</groupId>
+  <artifactId>SDL${sdl_major}</artifactId>
+  <version>${sdl_version}</version>
+  <packaging>aar</packaging>
+  <name>SDL${sdl_major}</name>
+  <description>The AAR for SDL${sdl_major}</description>
+  <url>https://libsdl.org/</url>
+  <licenses>
+    <license>
+      <name>zlib License</name>
+      <url>https://github.com/libsdl-org/SDL/blob/main/LICENSE.txt</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+  <scm>
+    <connection>scm:git:https://github.com/libsdl-org/SDL</connection>
+    <url>https://github.com/libsdl-org/SDL</url>
+  </scm>
+</project>
+EOF
+}
+
+create_aar_androidmanifest() {
+    echo "Creating AndroidManifest.xml"
+    cat >"${aar_root}/AndroidManifest.xml" <<EOF
+<manifest
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="org.libsdl.android" android:versionCode="1"
+    android:versionName="1.0">
+	<uses-sdk android:minSdkVersion="16"
+              android:targetSdkVersion="29"/>
+</manifest>
+EOF
+}
+
+echo "Creating AAR root directory"
+aar_root="${prefabhome}/SDL${sdl_major}-${sdl_version}"
+mkdir -p "${aar_root}"
+
+aar_metainfdir_path=${aar_root}/META-INF
+mkdir -p "${aar_metainfdir_path}"
+cp "${sdl_root}/LICENSE.txt" "${aar_metainfdir_path}"
+
+prefabworkdir="${aar_root}/prefab"
+mkdir -p "${prefabworkdir}"
+
+cat >"${prefabworkdir}/prefab.json" <<EOF
+{
+  "schema_version": 2,
+  "name": "SDL$sdl_major",
+  "version": "$sdl_version",
+  "dependencies": []
+}
+EOF
+
+modulesworkdir="${prefabworkdir}/modules"
+mkdir -p "${modulesworkdir}"
+
+create_shared_sdl_module() {
+    echo "Creating SDL${sdl_major} prefab module"
+    for android_abi in $android_abis; do
+        sdl_moduleworkdir="${modulesworkdir}/SDL${sdl_major}"
+        mkdir -p "${sdl_moduleworkdir}"
+
+        abi_build_prefix="${build_root}/build_${android_abi}/prefix"
+
+        cat >"${sdl_moduleworkdir}/module.json" <<EOF
+{
+  "export_libraries": [],
+  "library_name": "libSDL${sdl_major}"
+}
+EOF
+        mkdir -p "${sdl_moduleworkdir}/include"
+        cp -r "${abi_build_prefix}/include/SDL${sdl_major}/"* "${sdl_moduleworkdir}/include/"
+        rm "${sdl_moduleworkdir}/include/SDL_config.h"
+        cp "$sdl_root/include/SDL_config.h" "$sdl_root/include/SDL_config_android.h" "${sdl_moduleworkdir}/include/"
+
+        abi_sdllibdir="${sdl_moduleworkdir}/libs/android.${android_abi}"
+        mkdir -p "${abi_sdllibdir}"
+        cat >"${abi_sdllibdir}/abi.json" <<EOF
+{
+  "abi": "${android_abi}",
+  "api": ${android_api},
+  "ndk": ${android_ndk},
+  "stl": "${android_stl}",
+  "static": false
+}
+EOF
+        cp "${abi_build_prefix}/lib/libSDL${sdl_major}.so" "${abi_sdllibdir}"
+    done
+}
+
+create_static_sdl_module() {
+    echo "Creating SDL${sdl_major}-static prefab module"
+    for android_abi in $android_abis; do
+        sdl_moduleworkdir="${modulesworkdir}/SDL${sdl_major}-static"
+        mkdir -p "${sdl_moduleworkdir}"
+
+        abi_build_prefix="${build_root}/build_${android_abi}/prefix"
+
+        cat >"${sdl_moduleworkdir}/module.json" <<EOF
+{
+  "export_libraries": ["-ldl", "-lGLESv1_CM", "-lGLESv2", "-llog", "-landroid", "-lOpenSLES"]
+  "library_name": "libSDL${sdl_major}"
+}
+EOF
+        mkdir -p "${sdl_moduleworkdir}/include"
+        cp -r "${abi_build_prefix}/include/SDL${sdl_major}/"* "${sdl_moduleworkdir}/include"
+        rm "${sdl_moduleworkdir}/include/SDL_config.h"
+        cp "$sdl_root/include/SDL_config.h" "$sdl_root/include/SDL_config_android.h" "${sdl_moduleworkdir}/include/"
+
+        abi_sdllibdir="${sdl_moduleworkdir}/libs/android.${android_abi}"
+        mkdir -p "${abi_sdllibdir}"
+        cat >"${abi_sdllibdir}/abi.json" <<EOF
+{
+  "abi": "${android_abi}",
+  "api": ${android_api},
+  "ndk": ${android_ndk},
+  "stl": "${android_stl}",
+  "static": true
+}
+EOF
+        cp "${abi_build_prefix}/lib/libSDL${sdl_major}.a" "${abi_sdllibdir}"
+    done
+}
+
+create_sdlmain_module() {
+    echo "Creating SDL${sdl_major}main prefab module"
+    for android_abi in $android_abis; do
+        sdl_moduleworkdir="${modulesworkdir}/SDL${sdl_major}main"
+        mkdir -p "${sdl_moduleworkdir}"
+
+        abi_build_prefix="${build_root}/build_${android_abi}/prefix"
+
+        cat >"${sdl_moduleworkdir}/module.json" <<EOF
+{
+  "export_libraries": [],
+  "library_name": "libSDL${sdl_major}main"
+}
+EOF
+        abi_sdllibdir="${sdl_moduleworkdir}/libs/android.${android_abi}"
+        mkdir -p "${abi_sdllibdir}"
+        cat >"${abi_sdllibdir}/abi.json" <<EOF
+{
+  "abi": "${android_abi}",
+  "api": ${android_api},
+  "ndk": ${android_ndk},
+  "stl": "${android_stl}",
+  "static": true
+}
+EOF
+        cp "${abi_build_prefix}/lib/libSDL${sdl_major}main.a" "${abi_sdllibdir}"
+    done
+}
+
+create_sdltest_module() {
+    echo "Creating SDL${sdl_major}test prefab module"
+    for android_abi in $android_abis; do
+        sdl_moduleworkdir="${modulesworkdir}/SDL${sdl_major}test"
+        mkdir -p "${sdl_moduleworkdir}"
+
+        abi_build_prefix="${build_root}/build_${android_abi}/prefix"
+
+        cat >"${sdl_moduleworkdir}/module.json" <<EOF
+{
+  "export_libraries": [],
+  "library_name": "libSDL${sdl_major}_test"
+}
+EOF
+        abi_sdllibdir="${sdl_moduleworkdir}/libs/android.${android_abi}"
+        mkdir -p "${abi_sdllibdir}"
+        cat >"${abi_sdllibdir}/abi.json" <<EOF
+{
+  "abi": "${android_abi}",
+  "api": ${android_api},
+  "ndk": ${android_ndk},
+  "stl": "${android_stl}",
+  "static": true
+}
+EOF
+        cp "${abi_build_prefix}/lib/libSDL${sdl_major}_test.a" "${abi_sdllibdir}"
+    done
+}
+
+build_cmake_projects
+
+compile_java
+
+create_pom_xml
+
+create_aar_androidmanifest
+
+create_shared_sdl_module
+
+create_static_sdl_module
+
+create_sdlmain_module
+
+create_sdltest_module
+
+pushd "${aar_root}"
+    aar_filename="SDL${sdl_major}-${sdl_version}.aar"
+    cp "${classes_jar_path}" ./classes.jar
+    cp "${classes_sources_jar_path}" ./classes-sources.jar
+    zip -r "${aar_filename}" AndroidManifest.xml classes.jar classes-sources.jar prefab META-INF
+    zip -Tv "${aar_filename}" 2>/dev/null ;
+    mv "${aar_filename}" "${prefabhome}"
+popd
+
+maven_filename="SDL${sdl_major}-${sdl_version}.zip"
+
+pushd "${prefabhome}"
+    zip_filename="SDL${sdl_major}-${sdl_version}.zip"
+    zip "${maven_filename}" "${aar_filename}" "${pom_filename}" 2>/dev/null;
+    zip -Tv "${zip_filename}" 2>/dev/null;
+popd
+
+echo "Prefab zip is ready at ${prefabhome}/${aar_filename}"
+echo "Maven archive is ready at ${prefabhome}/${zip_filename}"