Support urcu 0.6.6 with the likely/unlikely API change

[lttng-tools.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 3ead48e7b8344f06df61566f9d1e1a8cdf7bf60c..ac77c8222ae588b6fcb3edfca3917887e168c997 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,9 +16,6 @@ AC_CHECK_HEADERS([ \
        getopt.h sys/ipc.h sys/shm.h popt.h grp.h \
 ])
 
-# URCU library version needed or newer
-liburcu_version=">= 0.6.5"
-
 # Check for pthread
 AC_CHECK_LIB([pthread], [pthread_create], [],
        [AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
@@ -29,6 +26,9 @@ AC_CHECK_LIB([popt], [poptGetContext], [],
        [AC_MSG_ERROR([Cannot find libpopt. Use [LDFLAGS]=-Ldir to specify its location.])]
 )
 
+# URCU library version needed or newer
+liburcu_version=">= 0.6.6"
+
 # Check liburcu needed function calls
 AC_CHECK_DECL([cds_list_add], [],
        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu/list.h>]]
@@ -45,6 +45,11 @@ AC_CHECK_DECL([rcu_thread_offline], [],
 AC_CHECK_DECL([rcu_thread_online], [],
        [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
 )
+AC_CHECK_DECL([caa_likely], [],
+       [AC_MSG_ERROR([liburcu $liburcu_version or newer is needed])], [[#include <urcu.h>]]
+)
+
+# Check libust library
 AC_CHECK_DECL([ustctl_create_session],
        [
                AC_DEFINE([CONFIG_LTTNG_TOOLS_HAVE_UST], 1)
@@ -56,7 +61,6 @@ AC_CHECK_DECL([ustctl_create_session],
        ],
        [[#include <ust/lttng-ust-ctl.h>]]
 )
-
 AM_CONDITIONAL([LTTNG_TOOLS_HAVE_UST], [ test "x$have_ust_test" = "x1" ])
 
 AC_CHECK_FUNCS([sched_getcpu sysconf])