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moby--moby/hack/make/.dockerinit-gccgo

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#!/bin/bash
set -e
IAMSTATIC="true"
source "${MAKEDIR}/.go-autogen"
# dockerinit still needs to be a static binary, even if docker is dynamic
go build --compiler=gccgo \
-o "$DEST/dockerinit-$VERSION" \
"${BUILDFLAGS[@]}" \
--gccgoflags "
-g
-Wl,--no-export-dynamic
$EXTLDFLAGS_STATIC_DOCKER
-lnetgo
" \
./dockerinit
echo "Created binary: $DEST/dockerinit-$VERSION"
ln -sf "dockerinit-$VERSION" "$DEST/dockerinit"
sha1sum=
if command -v sha1sum &> /dev/null; then
sha1sum=sha1sum
else
echo >&2 'error: cannot find sha1sum command or equivalent'
exit 1
fi
# sha1 our new dockerinit to ensure separate docker and dockerinit always run in a perfect pair compiled for one another
export DOCKER_INITSHA1=$($sha1sum "$DEST/dockerinit-$VERSION" | cut -d' ' -f1)