test: skip deterministic DSA if gnutls old

tests-extra/tests/dnssec/reproducible/test.py

@@ -10,6 +10,25 @@ import os.path
 
 from dnstest.test import Test
 from dnstest.keys import Keymgr
+from dnstest.utils import Skip
+
+def gnutls_ver_num():
+    try:
+        gnutls_h = "/usr/include/gnutls/gnutls.h"
+        with open(gnutls_h, "r") as gh_file:
+            for gh_line in gh_file:
+                gh = gh_line.split()
+                if len(gh) == 3 and gh[0] == "#define" and gh[1] == "GNUTLS_VERSION_NUMBER":
+                    return int(gh[2], 0)
+    except:
+        return None
+    return None
+
+gvn = gnutls_ver_num()
+if gvn is None:
+    raise Skip("GNUTLS detect failed")
+if gvn < 0x03060a:
+    raise Skip("GNUTLS < 3.6.10")
 
 t = Test()