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feature/portmapper: make the portmapper & its debugging tools modular

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Starting at a minimal binary and adding one feature back...
    tailscaled tailscale combined (linux/amd64)
     30073135  17451704  31543692 omitting everything
    +  480302 +   10258 +  493896 .. add debugportmapper
    +  475317 +  151943 +  467660 .. add portmapper
    +  500086 +  162873 +  510511 .. add portmapper+debugportmapper

Fixes #17148

Change-Id: I90bd0e9d1bd8cbe64fa2e885e9afef8fb5ee74b1
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2025-09-15 19:50:21 -07:00
committed by Brad Fitzpatrick
parent 2b0f59cd38
commit 99b3f69126
36 changed files with 757 additions and 398 deletions
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13
feature/buildfeatures/feature_portmapper_enabled.go Normal file
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@@ -0,0 +1,13 @@
// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Code generated by gen.go; DO NOT EDIT.
//go:build !ts_omit_portmapper
package buildfeatures
// HasPortMapper is whether the binary was built with support for modular feature "NAT-PMP/PCP/UPnP port mapping support".
// Specifically, it's whether the binary was NOT built with the "ts_omit_portmapper" build tag.
// It's a const so it can be used for dead code elimination.
const HasPortMapper = true