| config BR2_PACKAGE_LIBURCU_ARCH_SUPPORTS |
| bool |
| default y |
| depends on BR2_arm || BR2_armeb || BR2_aarch64 || BR2_aarch64_be || \ |
| BR2_i386 || BR2_mips || BR2_mips64 || BR2_mipsel || \ |
| BR2_mips64el || BR2_nios2 || BR2_powerpc || BR2_powerpc64 || \ |
| BR2_powerpc64le || BR2_riscv || BR2_sparc64 || BR2_s390x || BR2_x86_64 |
| depends on BR2_USE_MMU # fork() in test |
| |
| 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 |
