Update URCU detection to correctly check for a 0.7 version

Signed-off-by: Yannick Brosseau <yannick.brosseau@gmail.com>

diff --git a/configure.ac b/configure.ac
index 40e6fd6bdc229ee03f1aed9df376b60fa2d054ea..ab93a105bcc4092df95082d708a8f1d6c83e3968 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -162,6 +162,10 @@ AC_CHECK_DECL([rcu_thread_online], [],
 AC_CHECK_DECL([caa_likely], [],
        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
 )
+#Function added in urcu 0.7.0
+AC_CHECK_DECL([cmm_smp_mb__before_uatomic_or], [],
+        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
+)
 
 AC_ARG_WITH(lttng-ust-prefix,
   AS_HELP_STRING([--with-lttng-ust-prefix=PATH],