--- /dev/null
+#!/bin/bash
+
+JNI_DIR="app/jni"
+
+ANDROID_MK_SDL_IMAGE="$JNI_DIR/SDL2_image/Android.mk"
+ANDROID_MK_SDL_MIXER="$JNI_DIR/SDL2_mixer/Android.mk"
+
+SDL_BASE_URL="https://www.libsdl.org"
+SDL_VERSIONS=`cat SDL_VERSIONS`
+
+for i in $SDL_VERSIONS; do
+ SDL_SUBDIR=`echo $i | sed -e "s/-.*//"`
+ SDL_SUBURL=`echo $SDL_SUBDIR | tr -d '2'`
+
+ if [ "$SDL_SUBURL" = "SDL" ]; then
+ SDL_RELEASE_DIR="release"
+ else
+ SDL_RELEASE_DIR="projects/$SDL_SUBURL/release"
+ fi
+
+ SDL_URL="$SDL_BASE_URL/$SDL_RELEASE_DIR/$i.tar.gz"
+
+ wget -O - "$SDL_URL" | (cd "$JNI_DIR" && tar xzf -)
+
+ if [ "$?" != "0" ]; then
+ echo "ERROR: Installing '$i' failed!"
+ exit 10
+ fi
+
+ mv "$JNI_DIR/$i" "$JNI_DIR/$SDL_SUBDIR"
+done
+
+if [ ! -f "$ANDROID_MK_SDL_IMAGE.dist" ]; then
+ cp -a "$ANDROID_MK_SDL_IMAGE" "$ANDROID_MK_SDL_IMAGE.dist"
+ cat "$ANDROID_MK_SDL_IMAGE.dist" \
+ | sed -e "s/^SUPPORT_JPG ?= true/SUPPORT_JPG ?= false/" \
+ | sed -e "s/^SUPPORT_WEBP ?= true/SUPPORT_WEBP ?= false/" \
+ > "$ANDROID_MK_SDL_IMAGE"
+fi
+
+if [ ! -f "$ANDROID_MK_SDL_MIXER.dist" ]; then
+ cp -a "$ANDROID_MK_SDL_MIXER" "$ANDROID_MK_SDL_MIXER.dist"
+ cat "$ANDROID_MK_SDL_MIXER.dist" \
+ | sed -e "s/^SUPPORT_OGG ?= true/SUPPORT_OGG ?= false/" \
+ | sed -e "s/^SUPPORT_FLAC ?= true/SUPPORT_FLAC ?= false/" \
+ | sed -e "s/^LOCAL_CFLAGS :=/LOCAL_CFLAGS := -DMUSIC_WAV/" \
+ > "$ANDROID_MK_SDL_MIXER"
+fi
+
+exit 0