cmd/dist: leave cgo enabled if external linking is required

Certain ios and android configurations do not yet support internal
linking.

On ios, attempting to build without cgo causes tests to fail on
essentially every run (#57961).

On android, it produces a lot of warning spam from the linker,
obscuring real problems.

Since external linking makes the result of `go install` depend on the
installed C toolchain either way, the reproducibility benefit of
disabling cgo seems minimal on these platforms anyway.

Fixes #57961.
For #24904.
Updates #57007.

Change-Id: Ied2454804e958dd670467db3d5e9ab50a40bb899
Reviewed-on: https://go-review.googlesource.com/c/go/+/463739
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Bypass: Bryan Mills <bcmills@google.com>
3 files changed
tree: a7a4727c4ad444a33d5a7a1c9c0e78a46b08bf47
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. codereview.cfg
  11. CONTRIBUTING.md
  12. go.env
  13. LICENSE
  14. PATENTS
  15. README.md
  16. SECURITY.md
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