message: feat(makefile) Raise an error if the architecture is unsupported.
diff: @@ -94,10 +94,17 @@ else
  endif
  # Architecture
  - ifeq ($(shell uname -m), x86_64)
  + uname := $(shell uname -m)
  +
  + ifeq ($(uname), x86_64)
  IS_AMD64 := 1
  - else
  + else ifneq (,$(filter $(uname),aarch64 arm64))
  IS_AARCH64 := 1
  + else
  + # We use spaces instead of tabs to indent `$(error)`
  + # otherwise it's considered as a command outside a
  + # target and it will fail.
  + $(error Unrecognized architecture, expect `x86_64`, `aarch64` or `arm64`)
  endif
  # Libc
  