[ltt-dev] [[UST PATCH]] Add a test to valide that we use URCU with a minimum version of 0.5

Yannick Brosseau yannick.brosseau at gmail.com
Mon Jan 10 14:20:56 EST 2011

Signed-off-by: Yannick Brosseau <yannick.brosseau at gmail.com>
 configure.ac |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index b6cf946..32b5232 100644
--- 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'

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