add libhighway.

programming/library/libhwy/actions.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# Licensed under the GNU General Public License, version 3.
+# See the file https://www.gnu.org/licenses/gpl-3.0.txt
+
+from pisi.actionsapi import cmaketools
+
+i = ''.join([
+    ' -DCMAKE_BUILD_TYPE=Release',
+    ' -DBUILD_SHARED_LIBS=ON',
+    ' -DHWY_SYSTEM_GTEST=ON',
+    ' -B_build -L '
+    ])
+
+def setup():
+	cmaketools.configure(i)
+
+def build():
+	cmaketools.make("-C _build")
+
+def install():
+	cmaketools.install("-C _build")