DockerCLI/scripts/build/binary

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#!/usr/bin/env sh
#
# Build a static binary for the host OS/ARCH
#
set -eu
: "${CGO_ENABLED=}"
: "${GO_LINKMODE=static}"
: "${GO_BUILDMODE=}"
: "${GO_BUILDTAGS=}"
: "${GO_STRIP=}"
. ./scripts/build/.variables
if [ -z "$CGO_ENABLED" ]; then
case "$(go env GOOS)" in
linux)
case "$(go env GOARCH)" in
amd64|arm64|arm|s390x)
CGO_ENABLED=1
;;
*)
CGO_ENABLED=0
;;
esac
;;
darwin|windows)
CGO_ENABLED=1
;;
*)
CGO_ENABLED=0
;;
esac
fi
export CGO_ENABLED
if [ "$CGO_ENABLED" = "1" ] && [ "$(go env GOOS)" != "windows" ]; then
case "$(go env GOARCH)" in
mips*|ppc64)
# pie build mode is not supported on mips architectures
;;
*)
GO_BUILDMODE="-buildmode=pie"
;;
esac
GO_BUILDTAGS="$GO_BUILDTAGS pkcs11"
fi
if [ "$CGO_ENABLED" = "1" ] && [ "$GO_LINKMODE" = "static" ] && [ "$(go env GOOS)" = "linux" ]; then
LDFLAGS="$LDFLAGS -extldflags -static"
fi
if [ -n "$GO_STRIP" ]; then
LDFLAGS="$LDFLAGS -s -w"
fi
if [ "$(go env GOOS)" = "windows" ]; then
: "${WINDRES=$($(go env CC) --print-prog-name=windres)}"
if [ -z "$WINDRES" ]; then
>&2 echo "Empty WINDRES detected, skipping manifesting binary"
else
# Generate a Windows file version of the form major,minor,patch,build
VERSION_QUAD=$(printf "%s" "$VERSION" | sed -re 's/^([0-9.]*).*$/\1/' | tr . , | sed -re 's/,$//' | sed -re 's/^[0-9]+$/\0,0/' | sed -re 's/^[0-9]+,[0-9]+$/\0,0/' | sed -re 's/^[0-9]+,[0-9]+,[0-9]+$/\0,0/')
set --
[ -n "$VERSION" ] && set -- "$@" -D "DOCKER_VERSION=\"$VERSION\""
[ -n "$VERSION_QUAD" ] && set -- "$@" -D "DOCKER_VERSION_QUAD=$VERSION_QUAD"
[ -n "$GITCOMMIT" ] && set -- "$@" -D "DOCKER_COMMIT=\"$GITCOMMIT\""
target="$(dirname "$0")/../../cli/winresources/rsrc_$(go env GOARCH).syso"
mkdir -p "$(dirname "${target}")"
"$WINDRES" -i "$(dirname "$0")/../winresources/docker.rc" -o "$target" --use-temp-file "$@"
echo "package winresources" > "$(dirname "${target}")/stub_windows.go"
fi
fi
echo "Building $GO_LINKMODE $(basename "${TARGET}")"
export GO111MODULE=auto
go build -o "${TARGET}" -tags "${GO_BUILDTAGS}" --ldflags "${LDFLAGS}" ${GO_BUILDMODE} "${SOURCE}"
ln -sf "$(basename "${TARGET}")" "$(dirname "${TARGET}")/docker"