Remove unneeded liburcu symbol check

synchronize_rcu symbol is going away with userspace rcu 0.6. lttng-tools
is not using this library directly anyway, just the list header provided
by urcu. Therefore only check for the list header.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index 441230f885eeb32a1397d142b18a88cc2150878f..83e05588541a16d8e98a342ecad163cf09df12f4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -26,9 +26,6 @@ AC_CHECK_LIB([uuid], [uuid_generate], [],
 )
 
 # Check liburcu
 )
 
 # Check liburcu

-AC_CHECK_LIB([urcu], [synchronize_rcu], [],
-       [AC_MSG_ERROR([Cannot find liburcu. Use [LDFLAGS]=-Ldir to specify its location.])]
-)

 AC_CHECK_DECL([cds_list_add], [],
        [AC_MSG_ERROR([liburcu 0.5.4 or newer is needed])], [[#include <urcu/list.h>]]
 )
 AC_CHECK_DECL([cds_list_add], [],
        [AC_MSG_ERROR([liburcu 0.5.4 or newer is needed])], [[#include <urcu/list.h>]]
 )