Update to SDL2-2.30.6

build-scripts/androidbuildlibs.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+#
+# Build the Android libraries without needing a project
+# (AndroidManifest.xml, jni/{Application,Android}.mk, etc.)
+#
+# Usage: androidbuildlibs.sh [arg for ndk-build ...]"
+#
+# Useful NDK arguments:
+#
+#  NDK_DEBUG=1          - build debug version
+#  NDK_LIBS_OUT=<dest>  - specify alternate destination for installable
+#                         modules.
+#
+# Note that SDLmain is not an installable module (.so) so libSDLmain.a
+# can be found in $obj/local/<abi> along with the unstripped libSDL.so.
+#
+
+
+# Android.mk is in srcdir
+srcdir=`dirname $0`/..
+srcdir=`cd $srcdir && pwd`
+cd $srcdir
+
+
+#
+# Create the build directories
+#
+
+build=build
+buildandroid=$build/android
+obj=
+lib=
+ndk_args=
+
+# Allow an external caller to specify locations.
+for arg in $*; do
+    if [ "${arg:0:8}" == "NDK_OUT=" ]; then
+        obj=${arg#NDK_OUT=}
+    elif [ "${arg:0:13}" == "NDK_LIBS_OUT=" ]; then
+        lib=${arg#NDK_LIBS_OUT=}
+    else
+        ndk_args="$ndk_args $arg"
+    fi
+done
+
+if [ -z $obj ]; then
+    obj=$buildandroid/obj
+fi
+if [ -z $lib ]; then
+    lib=$buildandroid/lib
+fi
+
+for dir in $build $buildandroid $obj $lib; do
+    if test -d $dir; then
+        :
+    else
+        mkdir $dir || exit 1
+    fi
+done
+
+
+# APP_* variables set in the environment here will not be seen by the
+# ndk-build makefile segments that use them, e.g., default-application.mk.
+# For consistency, pass all values on the command line.
+ndk-build \
+    NDK_PROJECT_PATH=null \
+    NDK_OUT=$obj \
+    NDK_LIBS_OUT=$lib \
+    APP_BUILD_SCRIPT=Android.mk \
+    APP_ABI="armeabi-v7a arm64-v8a x86 x86_64" \
+    APP_PLATFORM=android-16 \
+    APP_MODULES="SDL2 SDL2_main" \
+    $ndk_args