Apple ARM ld doesn't support --version
It looks like Apple's ld64 linker for ARM doesn't support the --version flag which we use in our configure script. I suppose we should rather use -v, which is supported:
% ld -v
@(#)PROGRAM:ld PROJECT:ld64-609
BUILD 04:42:06 Aug 10 2020
configured to support archs: armv6 armv7 armv7s arm64 arm64e arm64_32 i386 x86_64 x86_64h armv6m armv7k armv7m armv7em
LTO support using: LLVM version 12.0.0, (clang-1200.0.31.1) (static support for 27, runtime is 27)
TAPI support using: Apple TAPI version 12.0.0 (tapi-1200.0.23)