Update URCU detection to correctly check for a 0.7 version

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 792679a35180451ba0acc4eb0682bf88835c7d3c..36c4ae14d1c46eb541f615ee3f563df4afa9d14b 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],