-# URCU
-
-# urcu - check if we just find the headers it out of the box.
-AC_CHECK_HEADERS([urcu-bp.h], [], [AC_MSG_ERROR([Cannot find [URCU] headers (urcu-bp.h). Use [CPPFLAGS]=-Idir to specify their location.
-This error can also occur when the liburcu package's configure script has not been run.])])
-
-# URCU library version needed or newer
-m4_define([WRONG_LIBURCU_MSG], [Userspace RCU (liburcu) >= 0.11.0 is needed])
-
-#Macro added in urcu 0.6.6
-AC_CHECK_DECL([caa_likely], [],
- [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu.h>]])
-#Macro added in urcu 0.11.0
-AC_CHECK_DECL([DEFINE_URCU_TLS_IE], [],
- [AC_MSG_ERROR([WRONG_LIBURCU_MSG])], [[#include <urcu/tls-compat.h>]]
-)
+# Require URCU >= 0.12 for DEFINE_URCU_TLS_INIT
+PKG_CHECK_MODULES([URCU], [liburcu >= 0.12])