Fix warning about hash type

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 8c0eb54d345d6561281793d01f5012cc5db4243e..32343868d3be1ccf8125fd05a0aceacf0ecac4b6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -4,7 +4,7 @@ AC_CANONICAL_TARGET
 AC_CANONICAL_HOST
 AC_CONFIG_MACRO_DIR([config])
 AM_INIT_AUTOMAKE([foreign dist-bzip2 no-dist-gzip])
-AM_SILENT_RULES([yes])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_CONFIG_HEADERS([include/config.h])
 
@@ -34,6 +34,9 @@ AC_CHECK_DECL([cds_list_add], [],
 AC_CHECK_DECL([cds_wfq_init], [],
        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
 )
+AC_CHECK_DECL([cds_wfq_dequeue_blocking], [],
+    [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/wfqueue.h>]]
+)
 AC_CHECK_DECL([futex_async], [],
        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/futex.h>]]
 )