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#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
set -e
if [ ! -f run.bash ]; then
echo 'make.bash must be run from $GOROOT/src' 1>&2
exit 1
fi
# Test for bad ld.
if ld --version 2>&1 | grep 'gold.* 2\.20' >/dev/null; then
echo 'ERROR: Your system has gold 2.20 installed.'
echo 'This version is shipped by Ubuntu even though'
echo 'it is known not to work on Ubuntu.'
echo 'Binaries built with this linker are likely to fail in mysterious ways.'
echo
echo 'Run sudo apt-get remove binutils-gold.'
echo
exit 1
fi
# Test for bad SELinux.
# On Fedora 16 the selinux filesystem is mounted at /sys/fs/selinux,
# so loop through the possible selinux mount points.
for se_mount in /selinux /sys/fs/selinux
do
if [ -d $se_mount -a -f $se_mount/booleans/allow_execstack -a -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
if ! cat $se_mount/booleans/allow_execstack | grep -c '^1 1$' >> /dev/null ; then
echo "WARNING: the default SELinux policy on, at least, Fedora 12 breaks "
echo "Go. You can enable the features that Go needs via the following "
echo "command (as root):"
echo " # setsebool -P allow_execstack 1"
echo
echo "Note that this affects your system globally! "
echo
echo "The build will continue in five seconds in case we "
echo "misdiagnosed the issue..."
sleep 5
fi
fi
done
# Finally! Run the build.
echo '# Building C bootstrap tool.'
mkdir -p ../bin/tool
DEFGOROOT='-DDEFAULT_GOROOT="'"$(cd .. && pwd)"'"'
gcc -O2 -Wall -Werror -o ../bin/tool/dist -Icmd/dist "$DEFGOROOT" cmd/dist/*.c
echo
echo '# Building compilers and Go bootstrap tool.'
../bin/tool/dist bootstrap -v # builds go_bootstrap
echo
echo '# Building packages and commands.'
../bin/tool/go_bootstrap clean std
../bin/tool/go_bootstrap install -a -v std
rm -f ../bin/tool/go_bootstrap
echo
if [ "$1" != "--no-banner" ]; then
../bin/tool/dist banner
fi
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