Add a test to valide that we use URCU with a minimum version of 0.5

Signed-off-by: Yannick Brosseau <yannick.brosseau@gmail.com>
Acked-by: Nils Carlson <nils.carlson@ericsson.com>

diff --git a/configure.ac b/configure.ac
index b6cf946137d46454fc1243c2907dd7ae350989e6..32b5232cc6079d18e1a85e78d87b5c4e57a5fb08 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -62,6 +62,10 @@ 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
+AC_CHECK_DECL([cds_list_add(list_t *newp, list_t *head)], [], [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'