meson/cross/armcc.txt

# This file assumes that path to the arm compiler toolchain is added
# to the environment(PATH) variable, so that Meson can find
# the armcc, armlink and armar while building.
[binaries]
c = 'armcc'
cpp = 'armcc'
ar = 'armar'
strip = 'armar'

[built-in options]
# The '--cpu' option with the appropriate target type should be mentioned
# to cross compile c/c++ code with armcc,.
c_args      = ['--cpu=Cortex-M0plus']
cpp_args    = ['--cpu=Cortex-M0plus']

[host_machine]
system = 'bare metal'      # Update with your system name - bare metal/OS.
cpu_family = 'arm'
cpu = 'Cortex-M0+'
endian = 'little'