We disable these tests because OpenCDK's `cdk_stream_tmp_from_mem ()'
stupidly uses `tempfile ()', which does not honor $TMPDIR, leading to
build failures in chroots.  See also:

  http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2693


--- gnutls-2.4.0/tests/openpgp/Makefile.in	2008-06-18 17:02:37.000000000 +0200
+++ gnutls-2.4.0/tests/openpgp/Makefile.in	2008-06-27 20:07:00.000000000 +0200
@@ -51,7 +51,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-@ENABLE_OPENPGP_TRUE@TESTS = keyring$(EXEEXT)
+@ENABLE_OPENPGP_TRUE@TESTS =
 @ENABLE_OPENPGP_TRUE@check_PROGRAMS = keyring$(EXEEXT)
 subdir = tests/openpgp
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in

--- gnutls-2.4.0/guile/tests/Makefile.in	2008-06-18 17:02:34.000000000 +0200
+++ gnutls-2.4.0/guile/tests/Makefile.in	2008-06-27 20:08:13.000000000 +0200
@@ -48,7 +48,7 @@ PRE_UNINSTALL = :
 POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
-@ENABLE_OPENPGP_TRUE@am__append_1 = openpgp-keys.scm openpgp-keyring.scm openpgp-auth.scm
+@ENABLE_OPENPGP_TRUE@am__append_1 =
 @ENABLE_SRP_TRUE@am__append_2 = srp-base64.scm
 subdir = guile/tests
 DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in