--- /dev/null
+--- unbound-1.5.7/acx_python.m4.orig 2014-09-19 11:57:20.000000000 +0200
++++ unbound-1.5.7/acx_python.m4 2016-03-02 07:58:16.255669696 +0100
+@@ -65,7 +65,7 @@
+ AC_MSG_CHECKING([for Python site-packages path])
+ if test -z "$PYTHON_SITE_PKG"; then
+ PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \
+- print(distutils.sysconfig.get_python_lib(1,0));"`
++ print(distutils.sysconfig.get_python_lib(1,0, prefix='${prefix}'));"`
+ fi
+ AC_MSG_RESULT([$PYTHON_SITE_PKG])
+ AC_SUBST([PYTHON_SITE_PKG])