configure.ac: check for an existing liburcu-cds symbol

Fixes #1001

Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/configure.ac b/configure.ac
index 5c25b6ff7e88fa886bf0fa8b095bcebbbd40202d..55efaa391e98a5f966fd5a4c28304b882be56e19 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -213,6 +213,8 @@ AC_CHECK_DECL([rcu_thread_online], [],
        [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
 AC_CHECK_DECL([caa_likely], [],
        [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
+AC_CHECK_LIB([urcu-cds], [_cds_lfht_new], [],
+       [AC_MSG_ERROR([WRONG_LIBURCU_MSG])])
 
 #Function added in urcu 0.7.0
 AC_CHECK_DECL([cmm_smp_mb__before_uatomic_or], [],