xgo/docker/base/bootstrap_pure.sh

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#!/bin/bash
#
# Contains the Go tool-chain pure-Go bootstrapper, that as of Go 1.5, initiates
# not only a few pre-built Go cross compilers, but rather bootstraps all of the
# supported platforms from the origin Linux amd64 distribution.
#
# Usage: bootstrap_pure.sh
#
# Environment variables for remote bootstrapping:
# FETCH - Remote file fetcher and checksum verifier (injected by image)
# ROOT_DIST - 64 bit Linux Go binary distribution package
# ROOT_DIST_SHA - 64 bit Linux Go distribution package checksum
#
# Environment variables for local bootstrapping:
# GOROOT - Path to the lready installed Go runtime
set -e
# Download, verify and install the root distribution if pulled remotely
if [ "$GOROOT" == "" ]; then
$FETCH $ROOT_DIST $ROOT_DIST_SHA
tar -C /usr/local -xzf `basename $ROOT_DIST`
rm -f `basename $ROOT_DIST`
export GOROOT=/usr/local/go
fi
export GOROOT_BOOTSTRAP=$GOROOT
# Pre-build all guest distributions based on the root distribution
echo "Bootstrapping linux/386..."
GOOS=linux GOARCH=386 CGO_ENABLED=1 go install std
echo "Bootstrapping linux/arm64..."
GOOS=linux GOARCH=arm64 CGO_ENABLED=1 CC=aarch64-linux-gnu-gcc-5 go install std
echo "Bootstrapping windows/amd64..."
GOOS=windows GOARCH=amd64 CGO_ENABLED=1 CC=x86_64-w64-mingw32-gcc go install std
echo "Bootstrapping windows/386..."
GOOS=windows GOARCH=386 CGO_ENABLED=1 CC=i686-w64-mingw32-gcc go install std
echo "Bootstrapping darwin/amd64..."
GOOS=darwin GOARCH=amd64 CGO_ENABLED=1 CC=o64-clang go install std
echo "Bootstrapping darwin/386..."
GOOS=darwin GOARCH=386 CGO_ENABLED=1 CC=o32-clang go install std
# Install xgo within the container to enable internal cross compilation
echo "Installing xgo-in-xgo..."
go get -u github.com/karalabe/xgo
ln -s /go/bin/xgo /usr/bin/xgo