moby/hack/make/dynbinary-daemon

#!/usr/bin/env bash
set -e

[ -z "$KEEPDEST" ] && rm -rf "$DEST"

(
	export IAMSTATIC='false'
	export LDFLAGS_STATIC_DOCKER=''
	export BUILDFLAGS=("${BUILDFLAGS[@]/netgo /}")        # disable netgo, since we don't need it for a dynamic binary
	export BUILDFLAGS=("${BUILDFLAGS[@]/osusergo /}")     # ditto for osusergo
	export BUILDFLAGS=("${BUILDFLAGS[@]/static_build /}") # we're not building a "static" binary here

	GO_PACKAGE='github.com/docker/docker/cmd/dockerd'
	BINARY_SHORT_NAME='dockerd'
	source "${MAKEDIR}/.binary"
)