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syncthing-android/build-syncthing.sh

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#!/bin/bash -e
# Build the syncthing library
ORIG=$(pwd)
mkdir -p bin
# Load submodules
if [ ! -e "ext/syncthing/src/github.com/syncthing/syncthing/.git" ]; then
git submodule update --init --recursive
fi
# Check for GOLANG installation
if [ -z $GOROOT ] || [[ $(go version) != go\ version\ go1.4* ]] ; then
mkdir -p "build"
tmpgo='build/go'
if [ ! -f "$tmpgo/bin/go" ]; then
# Download GOLANG v1.4.2
wget -O go.src.tar.gz http://golang.org/dl/go1.4.2.src.tar.gz
sha1=$(sha1sum go.src.tar.gz)
if [ "$sha1" != "460caac03379f746c473814a65223397e9c9a2f6 go.src.tar.gz" ]; then
echo "go.src.tar.gz SHA1 checksum does not match!"
exit 1
fi
mkdir -p $tmpgo
tar -xzf go.src.tar.gz --strip=1 -C $tmpgo
rm go.src.tar.gz
# Build GO for host
pushd $tmpgo/src
GO386=387 GOARM=5 ./make.bash --no-clean
popd
fi
# Add GO to the environment
export GOROOT="$(pwd)/$tmpgo"
fi
# Add GO compiler to PATH
export PATH=$GOROOT/bin:$PATH
# Disable CGO (no dynamic linking)
export CGO_ENABLED=0
# Check whether GOLANG is compiled with cross-compilation for 386
if [ ! -f $GOROOT/bin/linux_386/go ]; then
pushd $GOROOT/src
# Build GO for cross-compilation
GOOS=linux GOARCH=386 GO386=387 ./make.bash --no-clean
popd
fi
# Check whether GOLANG is compiled with cross-compilation for arm
if [ ! -f $GOROOT/bin/linux_arm/go ]; then
pushd $GOROOT/src
# Build GO for cross-compilation
GOOS=linux GOARCH=arm GOARM=5 ./make.bash --no-clean
popd
fi
# Setup GOPATH
cd "ext/syncthing/"
export GOPATH="$(pwd)"
# Install godep
$GOROOT/bin/go get github.com/tools/godep
export PATH="$(pwd)/bin":$PATH
# Setup syncthing and clean
export ENVIRONMENT=android
cd src/github.com/syncthing/syncthing
$GOROOT/bin/go run build.go clean
# X86
GO386=387 $GOROOT/bin/go run build.go -goos linux -goarch 386 -no-upgrade build
mv syncthing $ORIG/bin/syncthing-x86
$GOROOT/bin/go run build.go clean
# ARM
GOARM=5 $GOROOT/bin/go run build.go -goos linux -goarch arm -no-upgrade build
mv syncthing $ORIG/bin/syncthing-armeabi
$GOROOT/bin/go run build.go clean