diff --git a/tools/build-audiostream.sh b/tools/build-audiostream.sh
new file mode 100755
index 0000000..ecbc109
--- /dev/null
+++ b/tools/build-audiostream.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+. $(dirname $0)/environment.sh
+
+if [ ! -f $CACHEROOT/audiostream-master.zip ] ; then
+	try curl -L https://github.com/kivy/audiostream/archive/master.zip > $CACHEROOT/audiostream-master.zip
+fi
+if [ ! -d $TMPROOT/audiostream-master ]; then
+	cd $TMPROOT
+	try unzip $CACHEROOT/audiostream-master.zip
+fi
+
+# build audiostream
+OLD_CC="$CC"
+OLD_CFLAGS="$CFLAGS"
+OLD_LDFLAGS="$LDFLAGS"
+OLD_LDSHARED="$LDSHARED"
+export CC="$ARM_CC -I$BUILDROOT/include"
+export CFLAGS="$ARM_CFLAGS"
+export LDFLAGS="$ARM_LDFLAGS"
+export LDSHARED="$KIVYIOSROOT/tools/liblink"
+
+try pushd $TMPROOT/audiostream-master
+HOSTPYTHON=$TMPROOT/Python-$PYTHON_VERSION/hostpython
+$HOSTPYTHON setup.py build_ext &>/dev/null
+try find . -iname '*.pyx' -exec $KIVYIOSROOT/tools/cythonize.py {} \;
+try $HOSTPYTHON setup.py build_ext
+try $HOSTPYTHON setup.py install -O2 --root iosbuild
+try find iosbuild | grep -E '.*\.(py|pyc|so\.o|so\.a|so\.libs)$$' | xargs rm
+try cp -a iosbuild/usr/local/lib/python2.7/site-packages/audiostream "$BUILDROOT/python/lib/python2.7/site-packages"
+popd
+
+export CC="$OLD_CC"
+export CFLAGS="$OLD_CFLAGS"
+export LDFLAGS="$OLD_LDFLAGS"
+export LDSHARED="$OLD_LDSHARED"
+
+bd=$TMPROOT/audiostream-master/build/lib.macosx-*/audiostream
+try $KIVYIOSROOT/tools/biglink $BUILDROOT/lib/libaudiostream.a $bd $bd/platform $bd/sources
+deduplicate $BUILDROOT/lib/libaudiostream.a