mirror of
https://github.com/moby/moby.git
synced 2026-01-11 10:41:43 +00:00
81c170a696
This option was added in 9672afa339 in 2016,
at which time tweaking GOGC showed a significant difference when building
the binary (`1m14.221s` vs `0m49.929s`).
Testing this Today doesn't show a real difference;
With GOGC=1000:
rm -rf bundles/
time hack/make.sh binary
real 0m15.303s
user 0m26.285s
sys 0m6.383s
real 0m4.931s
user 0m3.103s
sys 0m1.670s
real 0m5.693s
user 0m3.827s
sys 0m2.384s
Without GOGC set;
real 0m5.012s
user 0m3.689s
sys 0m1.549s
real 0m5.298s
user 0m3.997s
sys 0m1.695s
real 0m4.899s
user 0m3.579s
sys 0m1.423s
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
112 lines
3.5 KiB
Bash
112 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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set -e
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# a helper to provide ".exe" when it's appropriate
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binary_extension() {
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if [ "$(go env GOOS)" = 'windows' ]; then
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echo -n '.exe'
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fi
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}
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BINARY_EXTENSION="$(binary_extension)"
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BINARY_FULLNAME="$BINARY_NAME$BINARY_EXTENSION"
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source "${MAKEDIR}/.go-autogen"
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(
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if [ "$(go env GOOS)/$(go env GOARCH)" != "$(go env GOHOSTOS)/$(go env GOHOSTARCH)" ]; then
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# must be cross-compiling!
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if [ "$(go env GOOS)/$(go env GOARCH)" = "linux/arm" ]; then
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# specify name of the target ARM architecture
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case "$(go env GOARM)" in
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5)
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export CGO_CFLAGS="-march=armv5t"
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export CGO_CXXFLAGS="-march=armv5t"
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;;
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6)
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export CGO_CFLAGS="-march=armv6"
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export CGO_CXXFLAGS="-march=armv6"
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;;
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7)
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export CGO_CFLAGS="-march=armv7-a"
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export CGO_CXXFLAGS="-march=armv7-a"
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;;
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esac
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fi
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fi
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if ! [ "$DOCKER_STATIC" = "1" ]; then
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# -buildmode=pie not supported when -race is enabled
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if [[ " $BUILDFLAGS " != *" -race "* ]]; then
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case "$(go env GOOS)/$(go env GOARCH)" in
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linux/mips* | linux/ppc64)
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# -buildmode=pie is not supported on Linux mips*, ppc64be
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# https://github.com/golang/go/blob/go1.24.3/src/internal/platform/supported.go#L188-L200
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;;
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*)
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BUILDFLAGS+=("-buildmode=pie")
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;;
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esac
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fi
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fi
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# XXX: Disable netgo on Windows and use Window's system resolver instead.
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#
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# go1.19 and newer added support for netgo on Windows (https://go.dev/doc/go1.19#net),
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# which won't ask Windows for DNS results, and hence may be ignoring
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# custom "C:\Windows\System32\drivers\etc\hosts".
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# See https://github.com/moby/moby/issues/45251#issuecomment-1561001817
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# https://github.com/moby/moby/issues/45251, and
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# https://go-review.googlesource.com/c/go/+/467335
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if [ "$(go env GOOS)" = "windows" ]; then
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BUILDFLAGS=("${BUILDFLAGS[@]/netgo/}")
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fi
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# only necessary for non-sandboxed invocation where TARGETPLATFORM is empty
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PLATFORM_NAME=$TARGETPLATFORM
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if [ -z "$PLATFORM_NAME" ]; then
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PLATFORM_NAME="$(go env GOOS)/$(go env GOARCH)"
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if [ -n "$(go env GOARM)" ]; then
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PLATFORM_NAME+="/v$(go env GOARM)"
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elif [ -n "$(go env GOAMD64)" ] && [ "$(go env GOAMD64)" != "v1" ]; then
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PLATFORM_NAME+="/$(go env GOAMD64)"
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fi
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fi
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if [ -n "${DOCKER_DEBUG}" ]; then
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GCFLAGS="all=-N -l"
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fi
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if [ "$(go env GOARCH)" = "arm" ] && [ "$(go env GOARM)" = "5" ]; then
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# cross-compiling for arm/v5 fails on go1.22; a fix is included for this
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# in go1.23 (https://github.com/golang/go/issues/65290), but for go1.22
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# we can set the correct option manually.
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CGO_CFLAGS+=" -Wno-atomic-alignment"
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export CGO_CFLAGS
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# Make sure libatomic is included on arm/v5, because clang does not auto-link it.
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# see https://github.com/moby/moby/pull/46982#issuecomment-2206992611
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export CGO_LDFLAGS="-latomic"
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fi
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echo "Building $([ "$DOCKER_STATIC" = "1" ] && echo "static" || echo "dynamic") $DEST/$BINARY_FULLNAME ($PLATFORM_NAME)..."
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if [ -n "$DOCKER_DEBUG" ]; then
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set -x
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fi
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go build -o "$DEST/$BINARY_FULLNAME" "${BUILDFLAGS[@]}" -ldflags "$LDFLAGS $LDFLAGS_STATIC $DOCKER_LDFLAGS" -gcflags="${GCFLAGS}" "$GO_PACKAGE"
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# Verify that the built binary contains windows resources
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if [ "$(go env GOOS)" = "windows" ]; then
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if command -v wrestool > /dev/null 2>&1; then
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if ! wrestool -l "$DEST/$BINARY_FULLNAME" | grep -q -- '--type='; then
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echo "No resources found in $DEST/$BINARY_FULLNAME"
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exit 1
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fi
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else
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echo "WARNING: wrestool not found, skipping resources check"
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fi
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fi
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)
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echo "Created binary: $DEST/$BINARY_FULLNAME"
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