libguestfs configure patch for macos

guestfs-libraries.patch

diff --git a/m4/guestfs-libraries.m4 b/m4/guestfs-libraries.m4
index 17cf556d9..b78a5cefa 100644
--- a/m4/guestfs-libraries.m4
+++ b/m4/guestfs-libraries.m4
@@ -181,9 +181,14 @@ PKG_CHECK_MODULES([RPC], [libtirpc], [], [
     # If we don't have libtirpc, then we must have <rpc/xdr.h> and
     # some library to link to in libdir.
     RPC_CFLAGS=""
+    AC_CHECK_HEADER([rpc/types.h], [AC_DEFINE([HAVE_RPC_TYPES_H],
+        [], [no rpc/types.h])])
     AC_CHECK_HEADER([rpc/xdr.h],[],[
-        AC_MSG_ERROR([XDR header files are required])
-    ])
+        AC_MSG_ERROR([XDR header files are required])],
+[#ifdef HAVE_RPC_TYPES_H
+# include <rpc/types.h>
+#endif
+])

     old_LIBS="$LIBS"
     LIBS=""