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2 Commits

Author SHA1 Message Date
Brad Fitzpatrick 1db46919ab cmd/tailscaled: make build fail nicely on older Go versions 
Due to a bug in Go (golang/go#51778), cmd/go doesn't warn about your
Go version being older than the go.mod's declared Go version in that
case that package loading fails before the build starts, such as when
you use packages that are only in the current version of Go, like our
use of net/netip.

This change works around that Go bug by adding build tags and a
pre-Go1.18-only file that will cause Go 1.17 and earlier to fail like:

    $ ~/sdk/go1.17/bin/go install ./cmd/tailscaled
    # tailscale.com/cmd/tailscaled
    ./required_version.go:11:2: undefined: you_need_Go_1_18_to_compile_Tailscale
    note: module requires Go 1.18

Change-Id: I39f5820de646703e19dde448dd86a7022252f75c
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
 2022-03-18 08:25:51 -07:00
Maisem Ali fd4838dc57 wgengine/userspace: add support to automatically enable/disable the tailscale 
protocol in BIRD, when the node is a primary subnet router as determined
by control.

Signed-off-by: Maisem Ali <maisem@tailscale.com>
 2021-08-30 10:18:05 -07:00