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Cherry Mui 06b67591e7 cmd/link: default to external linking with cgo std packages
Previously, when a program depends on cgo packages in the standard
library (e.g. net, os/user) but not otherwise use cgo, we default
to internal linking mode. As we shipped pre-built cgo-using packages
in Go distributions, we don't require a C compiler to build those
packages. Then, by using internal linking we can link programs
using those packages without requiring a C toolchain.

As of Go 1.20, we stopped shipping those pre-built packages. If a
user doesn't have a C toolchain, they will use the non-cgo version
of the package. If they have a C toolchain, they can get cgo-using
packages but they can link with the external linker as well. So
there is no strong need to be able to link the cgo version of the
packages without a C toolchain. This CL makes it default to
external linking mode.

Fixes #58619.
Fixes #58620.

Change-Id: I62d3744c2b82ce734813c0e303e417d85dd29868
Reviewed-on: https://go-review.googlesource.com/c/go/+/470298
Run-TryBot: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
2023-02-22 21:40:45 +00:00
.github .github: suggest using private browsing in pkgsite template 2023-01-03 18:52:47 +00:00
api syscall: add jail support to ForkExec on FreeBSD 2023-02-22 20:38:48 +00:00
doc doc: start draft Go 1.21 release notes 2023-02-22 18:53:00 +00:00
lib/time time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
misc runtime: reimplement GODEBUG=cgocheck=2 as a GOEXPERIMENT 2023-02-16 00:16:24 +00:00
src cmd/link: default to external linking with cgo std packages 2023-02-22 21:40:45 +00:00
test test: add regress test for #58572 2023-02-17 03:59:20 +00:00
.gitattributes
.gitignore time/tzdata: generate zip constant during cmd/dist 2023-01-17 22:30:53 +00:00
codereview.cfg codereview.cfg: add codereview.cfg for master branch 2021-02-19 18:44:53 +00:00
CONTRIBUTING.md
go.env cmd/go: introduce GOROOT/go.env and move proxy/sumdb config there 2023-01-17 23:10:39 +00:00
LICENSE
PATENTS
README.md README: update from CC-BY-3.0 to CC-BY-4.0 2022-11-02 20:14:56 +00:00
SECURITY.md SECURITY.md: replace golang.org with go.dev 2022-04-26 19:59:47 +00:00

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