+# Check toolchain
+if test -d "$TOOLCHAIN"/sysroot; then
+ echo "Toolchain is standalone"
+ STANDALONE_TOOLCHAIN=$TOOLCHAIN
+ SYSROOT=
+else
+ STANDALONE_TOOLCHAIN=
+ NATIVE_API_LEVEL=$VER_AND_API
+ SYSROOT_DIR=${ANDROID_NDK}/platforms/android-${NATIVE_API_LEVEL}/arch-${TARGET_ARCH%eabi*}
+ if [ ! -d "$SYSROOT_DIR" ]; then
+ echo >&2 "Can't build with NDK toolchain; sysroot $SYSROOT_DIR is missing"
+ exit 1
+ fi
+ SYSROOT="--sysroot $SYSROOT_DIR"
+ CC="$TOOLCHAIN_TRIPLET-gcc $SYSROOT"
+ CXX="$TOOLCHAIN_TRIPLET-g++ $SYSROOT"
+ export CC CXX
+fi
+NDK_TOOLCHAIN_VERSION=`${TOOLCHAIN_TRIPLET}-gcc --version | head -1 | sed -e 's/.* \([0-9]\+\.[0-9.]\+\)\( \|.*\)$/\1/'`
+