The Meson build system
Version: 0.60.0
Source dir: /build/dpdk/src/dpdk-21.08
Build dir: /build/dpdk/src/dpdk-21.08/build
Build type: native build
Program cat found: YES (/usr/bin/cat)
Project name: DPDK
Project version: 21.08.0
C compiler for the host machine: cc (gcc 11.1.0 "cc (GCC) 11.1.0")
C linker for the host machine: cc ld.bfd 2.36.1
Host machine cpu family: riscv64
Host machine cpu: riscv64

meson.build:52:0: ERROR: Unknown variable "arch_subdir".

A full log can be found at /build/dpdk/src/dpdk-21.08/build/meson-logs/meson-log.txt
==> ERROR: A failure occurred in build().
    Aborting...