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doc: add a release note for fewer pre-compiled GOROOT .a files 

For #47257

Change-Id: I3837220d02741da92d723484c82d11e82c92151a
Reviewed-on: https://go-review.googlesource.com/c/go/+/448017
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Michael Matloob <matloob@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
This commit is contained in:
Michael Matloob 2022-11-04 16:29:15 -04:00
parent 390abbbbf1
commit 82c6967ada
1 changed files with 12 additions and 0 deletions
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doc/go1.20.html
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@ -47,6 +47,18 @@ Do not send CLs removing the interior tags from such phrases.
TODO: <a href="https://go.dev/issue/45454">https://go.dev/issue/45454</a>: provide build tags for architecture environment variables TODO: <a href="https://go.dev/issue/45454">https://go.dev/issue/45454</a>: provide build tags for architecture environment variables
</p> </p>
<p>
The Go distribution no longer ships with pre-compiled <code>.a</code>
files for most of the packages in <code>GOROOT</code>, now only including
.a files for the five packages in <code>GOROOT</code> that use <code>cgo</code>.
Instead, those packages will be built as needed and cached in the build
cache, as is already done for non-<code>main</code> packages outside
<code>GOROOT</code>. Further, <code>go</code> <code>install</code> will
also not install <code>.a</code> files for <code>GOROOT</code> packages
except for those that use <code>cgo</code>. These changes are intended to
reduce the size of the Go distribution, in some cases by up to two-thirds.
</p>
<p><!-- https://go.dev/issue/37015 --> <p><!-- https://go.dev/issue/37015 -->
When the main module is located within <code>GOPATH/src</code>, When the main module is located within <code>GOPATH/src</code>,
<code>go</code> <code>install</code> no longer installs libraries for <code>go</code> <code>install</code> no longer installs libraries for