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#!/bin/bash
#
# Contains the main cross compiler, that individually sets up each target build
# platform, compiles all the C dependencies, then build the requested executable
# itself.
#
# Usage: build.sh <import path>
#
# Needed environment variables:
# REPO_REMOTE - Optional VCS remote if not the primary repository is needed
# REPO_BRANCH - Optional VCS branch to use, if not the master branch
# DEPS - Optional list of C dependency packages to build
# PACK - Optional sub-package, if not the import path is being built
# OUT - Optional output prefix to override the package name
# FLAG_V - Optional verbosity flag to set on the Go builder
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# FLAG_X - Optional flag to print the build progress commands
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# FLAG_RACE - Optional race flag to set on the Go builder
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# TARGETS - Comma separated list of build targets to compile for
# GO_VERSION - Bootstrapped version of Go to disable uncupported targets
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# Download the canonical import path (may fail, don't allow failures beyond)
echo " Fetching main repository $1 ... "
go get -d $1
set -e
cd $GOPATH /src/$1
export GOPATH = $GOPATH :` pwd ` /Godeps/_workspace
# Switch over the code-base to another checkout if requested
if [ " $REPO_REMOTE " != "" ] ; then
echo " Switching over to remote $REPO_REMOTE ... "
if [ -d ".git" ] ; then
git remote set-url origin $REPO_REMOTE
git pull
elif [ -d ".hg" ] ; then
echo -e " [paths]\ndefault = $REPO_REMOTE \n " >> .hg/hgrc
hg pull
fi
fi
if [ " $REPO_BRANCH " != "" ] ; then
echo " Switching over to branch $REPO_BRANCH ... "
if [ -d ".git" ] ; then
git checkout $REPO_BRANCH
elif [ -d ".hg" ] ; then
hg checkout $REPO_BRANCH
fi
fi
# Download all the C dependencies
echo "Fetching dependencies..."
mkdir /deps
DEPS = ( $DEPS ) && for dep in " ${ DEPS [@] } " ; do
echo Downloading $dep
if [ " ${ dep ##*. } " = = "tar" ] ; then wget -q $dep -O - | tar -C /deps -x; fi
if [ " ${ dep ##*. } " = = "gz" ] ; then wget -q $dep -O - | tar -C /deps -xz; fi
if [ " ${ dep ##*. } " = = "bz2" ] ; then wget -q $dep -O - | tar -C /deps -xj; fi
done
# Configure some global build parameters
NAME = ` basename $1 /$PACK `
if [ " $OUT " != "" ] ; then
NAME = $OUT
fi
if [ " $FLAG_V " = = "true" ] ; then V = -v; fi
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if [ " $FLAG_X " = = "true" ] ; then X = -x; fi
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if [ " $FLAG_RACE " = = "true" ] ; then R = -race; fi
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# If no build targets were specified, inject a catch all wildcard
if [ " $TARGETS " = = "" ] ; then
TARGETS = "./."
fi
# Build for each requested platform individually
builds = 0
for TARGET in $TARGETS ; do
# Split the target into platform and architecture
XGOOS = ` echo $TARGET | cut -d '/' -f 1`
XGOARCH = ` echo $TARGET | cut -d '/' -f 2`
# Check and build for Android targets
if ( [ $XGOOS = = "." ] || [ [ $XGOOS = = android* ] ] ) ; then
# Split the platform version and configure the linker options
PLATFORM = ` echo $XGOOS | cut -d '-' -f 2`
if [ $XGOOS = = "." ] || [ " $PLATFORM " = = "" ] || [ " $PLATFORM " = = "." ] ; then
PLATFORM = $ANDROID_PLATFORM
fi
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if [ " $PLATFORM " -ge 16 ] ; then
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CGO_CCPIE = "-fPIE"
CGO_LDPIE = "-fPIE"
EXT_LDPIE = "-extldflags=-pie"
fi
# Iterate over the requested architectures, bootstrap and
if [ $XGOARCH = = "." ] || [ $XGOARCH = = "arm" ] ; then
if [ " $GO_VERSION " -lt 150 ] ; then
echo " Go version too low, skipping android- $PLATFORM /arm... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-arm
echo " Bootstrapping android- $PLATFORM /arm... "
CC = arm-linux-androideabi-gcc GOOS = android GOARCH = arm GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /arm... "
CC = " arm-linux-androideabi-gcc --sysroot= $ANDROID_SYSROOT " HOST = arm-linux-androideabi PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = arm-linux-androideabi-gcc GOOS = android GOARCH = arm GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = arm-linux-androideabi-gcc GOOS = android GOARCH = arm GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -arm$R ./$PACK
builds = $(( builds+1))
fi
fi
if ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "386" ] ) && [ " $PLATFORM " -ge 9 ] ; then
if [ " $GO_VERSION " -lt 160 ] ; then
echo " Go version too low, skipping android- $PLATFORM /386... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-x86
echo " Bootstrapping android- $PLATFORM /386... "
CC = i686-linux-android-gcc GOOS = android GOARCH = 386 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /386... "
CC = " i686-linux-android-gcc --sysroot= $ANDROID_SYSROOT " HOST = i686-linux-android PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = i686-linux-android-gcc GOOS = android GOARCH = 386 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = i686-linux-android-gcc GOOS = android GOARCH = 386 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -386$R ./$PACK
builds = $(( builds+1))
fi
fi
if ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "mips" ] ) && [ " $PLATFORM " -ge 9 ] ; then
if [ " $GO_VERSION " -lt 160 ] ; then
echo " Go version too low, skipping android- $PLATFORM /mips... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-mips
echo " Bootstrapping android- $PLATFORM /mips... "
CC = = mipsel-linux-android-gcc GOOS = android GOARCH = mips CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /mips... "
CC = " mipsel-linux-android-gcc --sysroot= $ANDROID_SYSROOT " HOST = mipsel-linux-android PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = mipsel-linux-android-gcc GOOS = android GOARCH = mips CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = mipsel-linux-android-gcc GOOS = android GOARCH = mips CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -mips$R ./$PACK
builds = $(( builds+1))
fi
fi
if ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "arm64" ] ) && [ " $PLATFORM " -ge 21 ] ; then
if [ " $GO_VERSION " -lt 160 ] ; then
echo " Go version too low, skipping android- $PLATFORM /arm64... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-arm64
echo " Bootstrapping android- $PLATFORM /arm64... "
CC = = = aarch64-linux-android-gcc GOOS = android GOARCH = arm GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /arm64... "
CC = " aarch64-linux-android-gcc --sysroot= $ANDROID_SYSROOT " HOST = aarch64-linux-android PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = aarch64-linux-android-gcc GOOS = android GOARCH = arm64 GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = aarch64-linux-android-gcc GOOS = android GOARCH = arm64 GOARM = 7 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -arm64$R ./$PACK
builds = $(( builds+1))
fi
fi
if ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "amd64" ] ) && [ " $PLATFORM " -ge 21 ] ; then
if [ " $GO_VERSION " -lt 160 ] ; then
echo " Go version too low, skipping android- $PLATFORM /amd64... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-x86_64
echo " Bootstrapping android- $PLATFORM /amd64... "
CC = x86_64-linux-android-gcc GOOS = android GOARCH = amd64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /amd64... "
CC = " x86_64-linux-android-gcc --sysroot= $ANDROID_SYSROOT " HOST = x86_64-linux-android PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = x86_64-linux-android-gcc GOOS = android GOARCH = amd64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = x86_64-linux-android-gcc GOOS = android GOARCH = amd64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -amd64$R ./$PACK
builds = $(( builds+1))
fi
fi
if ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "mips64" ] ) && [ " $PLATFORM " -ge 21 ] ; then
if [ " $GO_VERSION " -lt 160 ] ; then
echo " Go version too low, skipping android- $PLATFORM /mips64... "
else
export ANDROID_SYSROOT = $ANDROID_PLATROOT /android-$PLATFORM /arch-mips64
echo " Bootstrapping android- $PLATFORM /mips64... "
CC = mips64el-linux-android-gcc GOOS = android GOARCH = mips64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go install std
echo " Compiling for android- $PLATFORM /mips64... "
CC = " mips64el-linux-android-gcc --sysroot= $ANDROID_SYSROOT " HOST = mips64el-linux-android PREFIX = $ANDROID_SYSROOT /usr $BUILD_DEPS /deps
CC = mips64el-linux-android-gcc GOOS = android GOARCH = mips64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go get $V $X -d ./$PACK
CC = mips64el-linux-android-gcc GOOS = android GOARCH = mips64 CGO_ENABLED = 1 CGO_CFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_CCPIE " CGO_LDFLAGS = " --sysroot= $ANDROID_SYSROOT $CGO_LDPIE " go build --ldflags= " $EXT_LDPIE " $V $X $R -o $NAME -android-$PLATFORM -mips64$R ./$PACK
builds = $(( builds+1))
fi
fi
fi
# Check and build for Linux targets
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "linux" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "amd64" ] ) ; then
echo "Compiling for linux/amd64..."
HOST = x86_64-linux PREFIX = /usr/local $BUILD_DEPS /deps
GOOS = linux GOARCH = amd64 CGO_ENABLED = 1 go get $V $X -d ./$PACK
GOOS = linux GOARCH = amd64 CGO_ENABLED = 1 go build $V $X $R -o $NAME -linux-amd64$R ./$PACK
builds = $(( builds+1))
fi
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "linux" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "386" ] ) ; then
echo "Compiling for linux/386..."
HOST = i686-linux PREFIX = /usr/local $BUILD_DEPS /deps
GOOS = linux GOARCH = 386 CGO_ENABLED = 1 go get $V $X -d ./$PACK
GOOS = linux GOARCH = 386 CGO_ENABLED = 1 go build $V $X -o $NAME -linux-386 ./$PACK
builds = $(( builds+1))
fi
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "linux" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "arm" ] ) ; then
echo "Compiling for linux/arm..."
CC = arm-linux-gnueabi-gcc HOST = arm-linux PREFIX = /usr/local/arm $BUILD_DEPS /deps
CC = arm-linux-gnueabi-gcc GOOS = linux GOARCH = arm CGO_ENABLED = 1 GOARM = 5 go get $V $X -d ./$PACK
CC = arm-linux-gnueabi-gcc GOOS = linux GOARCH = arm CGO_ENABLED = 1 GOARM = 5 go build $V $X -o $NAME -linux-arm ./$PACK
builds = $(( builds+1))
fi
# Check and build for Windows targets
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "windows" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "amd64" ] ) ; then
echo "Compiling for windows/amd64..."
CC = x86_64-w64-mingw32-gcc HOST = x86_64-w64-mingw32 PREFIX = /usr/x86_64-w64-mingw32 $BUILD_DEPS /deps
CC = x86_64-w64-mingw32-gcc GOOS = windows GOARCH = amd64 CGO_ENABLED = 1 go get $V $X -d ./$PACK
CC = x86_64-w64-mingw32-gcc GOOS = windows GOARCH = amd64 CGO_ENABLED = 1 go build $V $X $R -o $NAME -windows-amd64$R .exe ./$PACK
builds = $(( builds+1))
fi
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "windows" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "386" ] ) ; then
echo "Compiling for windows/386..."
CC = i686-w64-mingw32-gcc HOST = i686-w64-mingw32 PREFIX = /usr/i686-w64-mingw32 $BUILD_DEPS /deps
CC = i686-w64-mingw32-gcc GOOS = windows GOARCH = 386 CGO_ENABLED = 1 go get $V $X -d ./$PACK
CC = i686-w64-mingw32-gcc GOOS = windows GOARCH = 386 CGO_ENABLED = 1 go build $V $X -o $NAME -windows-386.exe ./$PACK
builds = $(( builds+1))
fi
# Check and build for OSX targets
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "darwin" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "amd64" ] ) ; then
echo "Compiling for darwin/amd64..."
CC = o64-clang HOST = x86_64-apple-darwin10 PREFIX = /usr/local $BUILD_DEPS /deps
CC = o64-clang GOOS = darwin GOARCH = amd64 CGO_ENABLED = 1 go get $V $X -d ./$PACK
CC = o64-clang GOOS = darwin GOARCH = amd64 CGO_ENABLED = 1 go build -ldflags= -s $V $X $R -o $NAME -darwin-amd64$R ./$PACK
builds = $(( builds+1))
fi
if ( [ $XGOOS = = "." ] || [ $XGOOS = = "darwin" ] ) && ( [ $XGOARCH = = "." ] || [ $XGOARCH = = "386" ] ) ; then
echo "Compiling for darwin/386..."
CC = o32-clang HOST = i386-apple-darwin10 PREFIX = /usr/local $BUILD_DEPS /deps
CC = o32-clang GOOS = darwin GOARCH = 386 CGO_ENABLED = 1 go get $V $X -d ./$PACK
CC = o32-clang GOOS = darwin GOARCH = 386 CGO_ENABLED = 1 go build -ldflags= -s $V $X -o $NAME -darwin-386 ./$PACK
builds = $(( builds+1))
fi
done
if [ " $builds " -eq 0 ] ; then
echo "No build targets matched!"
else
echo " Moving $builds binaries to host... "
cp ` ls -t | head -n $builds ` /build
fi
