diff --git a/cf/capabilities.m4 b/cf/capabilities.m4
new file mode 100644
index 000000000..6aa3c3db2
--- /dev/null
+++ b/cf/capabilities.m4
@@ -0,0 +1,14 @@
+dnl
+dnl $Id$
+dnl
+
+dnl
+dnl Test SGI capabilities
+dnl
+
+AC_DEFUN(KRB_CAPABILITIES,[
+
+AC_CHECK_HEADERS(sys/capability.h)
+
+AC_CHECK_FUNCS(sgi_getcapabilitybyname cap_set_proc)
+])