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NR_futex is not defined by newer architectures e.g. riscv32 as they only have 64bit variant of time_t. Glibc defines SYS_futex interface based on __NR_futex, since this is used in applications, such applications start to fail to build for these newer architectures. Define a fallback to alias __NR_futex to __NR_futex_time64 to make SYS_futex keep working. Reference: https://git.openembedded.org/openembedded-core/commit/?id=7a218adf9990f5e18d0b6a33eb34091969f979c7 (From OE-Core rev: 81599bf32135187b34726d41e9f619d22ca1bdd1) Signed-off-by: Mingli Yu <mingli.yu@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
QEMU Emulation Targets ====================== To simplify development, the build system supports building images to work with the QEMU emulator in system emulation mode. Several architectures are currently supported in 32 and 64 bit variants: * ARM (qemuarm + qemuarm64) * x86 (qemux86 + qemux86-64) * PowerPC (qemuppc only) * MIPS (qemumips + qemumips64) Use of the QEMU images is covered in the Yocto Project Reference Manual. The appropriate MACHINE variable value corresponding to the target is given in brackets.