doc/go1.18: document FreeBSD 11.x will no longer be supported

Mention future versions will require the COMPAT_FREEBSD12 kernel option
set in the kernel.

For #47694.

Change-Id: Ia94c4f9dbb38c68025d3c1d12dd2e241a5480a6b
Reviewed-on: https://go-review.googlesource.com/c/go/+/354971
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>

diff --git a/doc/go1.18.html b/doc/go1.18.html
index 8a5ba487a9cc834193aaa11a646dd70701c8bf04..a5b47fa2618999cdf9402a03d6b28e4ea2b60ab4 100644 (file)
--- a/doc/go1.18.html
+++ b/doc/go1.18.html
@@ -31,8 +31,11 @@ Do not send CLs removing the interior tags from such phrases.
 
 <h2 id="ports">Ports</h2>
 
-<p>
-  TODO: complete this section, or delete if not needed
+<p id="freebsd">
+  Go 1.18 is the last release that is supported on FreeBSD 11.x, which has
+  already reached end-of-life. Go 1.19 will require FreeBSD 12.2+ or FreeBSD
+  13.0+.
+  FreeBSD 13.0+ will require a kernel with the COMPAT_FREEBSD12 option set (this is the default).
 </p>
 
 <h2 id="tools">Tools</h2>