cmd/link: pass darwin/amd64-specific flags only on AMD64

The linker assumed macOS is AMD64 (and 386 in the past). It
passes darwin/amd64-specific flags to the external linker when
building for macOS. They don't work for ARM64-based macOS. So
only pass them on AMD64.

Disable DWARF combining for macOS ARM64 for now. The generated
binary doesn't run. (TODO: fix.)

For macOS ARM64 port. External linking now works.

Change-Id: Iab53bc48f4fadd9b91de8898b4b450ea442667a2
Run-TryBot: Cherry Zhang <>
TryBot-Result: Gobot Gobot <>
Reviewed-by: Than McIntosh <>
1 file changed
tree: 3733a3936cc40dd231ebae6f2f756b0d0f6e66e1
  1. .gitattributes
  2. .github/
  3. .gitignore
  11. api/
  12. doc/
  13. favicon.ico
  14. lib/
  15. misc/
  16. robots.txt
  17. src/
  18. test/

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