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Russ Cox 612c00bf4d cmd/dist: default to GOARM=7 on all non-arm systems 
If you run make.bash on an arm system without GOARM set,
we sniff the local system to find the maximum default GOARM
that will actually work on that system. That's fine, and we can
keep doing that.

But the story for cross-compiling is weirder.
If we build a windows/amd64 toolchain and then use it to
cross-compile linux/arm binaries, we get GOARM=7 binaries.
Do the same on a linux/amd64 system and you get GOARM=5 binaries.
This clearly makes no sense, and worse it makes the builds
non-reproducible in a subtle way.

This CL simplifies the logic and improves reproducibility by
defaulting to GOARM=7 any time we wouldn't sniff the local system.

On go.dev/dl we serve a linux-armv6l distribution with a default GOARM=6.
That is built by setting GOARM=6 during make.bash, so it is unaffected
by this CL and will continue to be GOARM=6.

For #24904.

Change-Id: I4331709876d5948fd33ec6e4a7b18b3cef12f240
Reviewed-on: https://go-review.googlesource.com/c/go/+/470695
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Russ Cox <rsc@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
2023-02-23 17:50:29 +00:00
.github .github: suggest using private browsing in pkgsite template 2023-01-03 18:52:47 +00:00
api cmd/go, go/build: parse directives in file headers 2023-02-23 10:10:21 +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/dist: default to GOARM=7 on all non-arm systems 2023-02-23 17:50:29 +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
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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

README.md

The Go Programming Language

Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.

Gopher image Gopher image by Renee French, licensed under Creative Commons 4.0 Attributions license.

Our canonical Git repository is located at https://go.googlesource.com/go. There is a mirror of the repository at https://github.com/golang/go.

Unless otherwise noted, the Go source files are distributed under the BSD-style license found in the LICENSE file.

Download and Install

Binary Distributions

Official binary distributions are available at https://go.dev/dl/.

After downloading a binary release, visit https://go.dev/doc/install for installation instructions.

Install From Source

If a binary distribution is not available for your combination of operating system and architecture, visit https://go.dev/doc/install/source for source installation instructions.

Contributing

Go is the work of thousands of contributors. We appreciate your help!

To contribute, please read the contribution guidelines at https://go.dev/doc/contribute.

Note that the Go project uses the issue tracker for bug reports and proposals only. See https://go.dev/wiki/Questions for a list of places to ask questions about the Go language.