config BR2_PACKAGE_LIBURCU bool "liburcu" depends on BR2_arm || BR2_armeb || BR2_i386 || BR2_powerpc || BR2_x86_64 depends on BR2_TOOLCHAIN_HAS_THREADS 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 comment "liburcu needs threads support in toolchain" depends on !BR2_TOOLCHAIN_HAS_THREADS