buildroot

config BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS

    bool

    depends on BR2_arm || BR2_armeb || BR2_aarch64 || BR2_i386 || BR2_powerpc || BR2_x86_64

    default y

​

config BR2_PACKAGE_LIBURCU

    bool "liburcu"

    depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS

    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.

​

      On ARM, because of bug:

        http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854

      liburcu cannot be built using gcc 4.8.0, 4.8.1 or 4.8.2 without the

      following bug fix:

        http://gcc.gnu.org/viewcvs/gcc?view=revision&revision=204665

​

      http://lttng.org/urcu

​

comment "liburcu needs a toolchain w/ threads"

    depends on BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS

    depends on !BR2_TOOLCHAIN_HAS_THREADS