buildroot/package/liburcu/Config.in

config BR2_PACKAGE_LIBURCU
	bool "liburcu"
	depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_powerpc || BR2_x86_64
	help
	  Userspace implementation of the Read-Copy-Update (RCU)
	  synchronization mechanism. This library is mainly used by
	  the LTTng tracing infrastructure, but can be used for other
	  purposes as well.

	  http://lttng.org/urcu