diff --git a/build-scripts/os2-buildbot.sh b/build-scripts/os2-buildbot.sh
new file mode 100755
index 000000000..67c8ce623
--- /dev/null
+++ b/build-scripts/os2-buildbot.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# This is the script buildbot.libsdl.org uses to cross-compile SDL2 from
+#  x86 Linux to OS/2, using OpenWatcom.
+
+# The final zipfile can be unpacked on any machine that supports OpenWatcom
+#  (Windows, Linux, OS/2, etc). Point the compiler at the include directory
+#  and link against the SDL2.lib file. Ship the SDL2.dll with your app.
+
+if [ -z "$WATCOM" ]; then
+    echo "This script expects \$WATCOM to be set to the OpenWatcom install dir." 1>&2
+    echo "This is often something like '/usr/local/share/watcom'" 1>&2
+    exit 1
+fi
+
+export PATH="$WATCOM/binl:$PATH"
+
+ZIPFILE="$1"
+if [ -z $1 ]; then
+    ZIPFILE=sdl-os2.zip
+fi
+ZIPDIR=SDL2-os2
+
+set -e
+set -x
+
+cd `dirname "$0"`
+cd ..
+
+rm -f $ZIPFILE
+wmake -f Makefile.os2
+rm -rf $ZIPDIR
+mkdir $ZIPDIR
+chmod a+r SDL2.lib SDL2.dll
+mv SDL2.lib SDL2.dll $ZIPDIR/
+cp -R include $ZIPDIR/
+zip -9r "$ZIPFILE" $ZIPDIR
+
+rm -f *.obj SDL2.exp SDL2.map SDL2.lnk
+
+set +x
+echo "All done. Final installable is in $ZIPFILE ...";