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diff --git a/guile/modules/gnutls/build/tests.scm b/guile/modules/gnutls/build/tests.scm
new file mode 100644
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+++ b/guile/modules/gnutls/build/tests.scm
@@ -0,0 +1,41 @@
+;;; GnuTLS --- Guile bindings for GnuTLS.
+;;; Copyright (C) 2011 Free Software Foundation, Inc.
+;;;
+;;; GnuTLS is free software; you can redistribute it and/or
+;;; modify it under the terms of the GNU Lesser General Public
+;;; License as published by the Free Software Foundation; either
+;;; version 2.1 of the License, or (at your option) any later version.
+;;;
+;;; GnuTLS is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with GnuTLS; if not, write to the Free Software
+;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+;;; Written by Ludovic Courtès <ludo@gnu.org>.
+
+(define-module (gnutls build tests)
+  #:export (run-test))
+
+(define (run-test thunk)
+  "Call `(exit (THUNK))'.  If THUNK raises an exception, then call `(exit 1)' and
+display a backtrace.  Otherwise, return THUNK's return value."
+  (exit
+   (catch #t
+     thunk
+     (lambda (key . args)
+       ;; Never reached.
+       (exit 1))
+     (lambda (key . args)
+       (dynamic-wind ;; to be on the safe side
+         (lambda () #t)
+         (lambda ()
+           (format (current-error-port)
+                   "~%throw to `~a' with args ~s~%" key args)
+           (display-backtrace (make-stack #t) (current-output-port)))
+         (lambda ()
+           (exit 1)))
+       (exit 1)))))