ARM64: 'sdk/lib/crt/oldnames-msvcrt.S(57): fatal error C1189: #error: "Unsupported platform."'

[1/276] Creating directories for 'host-tools'

[2/276] Generating asm/oldnames-msvcrt_oldnames_asm.asm

...

D:/a/reactos/reactos/src/sdk/lib/crt/oldnames-msvcrt.S(57): fatal error C1189: #error:  "Unsupported platform."

  10 #if (defined(_M_IX86) || defined(_M_AMD64))

// ...

  37 #elif defined(_M_ARM)

// ...

  52     CREATE_ALIAS   $alias, $target

  53     CREATE_ALIAS1 $alias, $target

  54     CREATE_ALIAS2 $alias, $target

// ...

  56 #else

  57 #error "Unsupported platform."

  58 #endif