Add a test for urcu 0.5.4 which we now depends on

Signed-off-by: Yannick Brosseau <yannick.brosseau@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index 5e58eab18f76ac0cbf8231f5c0243a995796ad45..1d57b1d2a9408feb21f03d16047df484f9e44d37 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -63,10 +63,14 @@ This error can also occur when the liburcu package's configure script has not be
 # urcu - check that URCU lib is available to compilation
 AC_CHECK_LIB([urcu-bp], [synchronize_rcu], [], [AC_MSG_ERROR([Cannot find liburcu-bp lib. Use [LDFLAGS]=-Ldir to specify its location.])])
 
+# urcu - check that URCU lib is at least version 0.5.4
+AC_CHECK_LIB([urcu-bp], [rcu_bp_before_fork], [], [AC_MSG_ERROR([liburcu 0.5.4 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])])
+
 # urcu - check that URCU lib is at least version 0.5
 AC_CHECK_DECL([cds_list_add(0, 0)], [], [AC_MSG_ERROR([liburcu 0.5 or newer is needed, please update your version or use [LDFLAGS]=-Ldir to specify the right location.])], [[#include <urcu/list.h>]])
 
 
+
 # Check for various supplementary host information (beyond the
 # triplet) which might affect the library format choices.  E.g., we
 # can be building with `i686-unknown-linux-gnu-gcc -m64'