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build_dist.sh: keep --extra-small making a usable build, add --min

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Historically, and until recently, --extra-small produced a usable build.

When I recently made osrouter be modular in 39e35379d41fc788 (which is
useful in, say, tsnet builds) after also making netstack modular, that
meant --min now lacked both netstack support for routing and system
support for routing, making no way to get packets into
wireguard. That's not a nice default to users.  (we've documented
build_dist.sh in our KB)

Restore --extra-small to making a usable build, and add --min for
benchmarking purposes.

Updates #12614

Change-Id: I649e41e324a36a0ca94953229c9914046b5dc497
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2025-10-06 16:55:18 -07:00 committed by Brad Fitzpatrick
parent 0415a56b6c
commit 10cb59fa87
1 changed files with 8 additions and 0 deletions
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8
build_dist.sh
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@ -41,6 +41,14 @@ while [ "$#" -gt 1 ]; do
fi fi
shift shift
ldflags="$ldflags -w -s" ldflags="$ldflags -w -s"
tags="${tags:+$tags,},$(GOOS= GOARCH= $go run ./cmd/featuretags --min --add=osrouter)"
;;
--min)
# --min is like --extra-small but even smaller, removing all features,
# even if it results in a useless binary (e.g. removing both netstack +
# osrouter). It exists for benchmarking purposes only.
shift
ldflags="$ldflags -w -s"
tags="${tags:+$tags,},$(GOOS= GOARCH= $go run ./cmd/featuretags --min)" tags="${tags:+$tags,},$(GOOS= GOARCH= $go run ./cmd/featuretags --min)"
;; ;;
--box) --box)