2010-06-02 13:14:19 +02:00
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#! /bin/sh
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2016-10-24 18:05:48 +02:00
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#! -*- coding:utf-8; mode:shell-script; -*-
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2010-06-02 13:14:19 +02:00
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2016-10-24 18:05:48 +02:00
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# Download some prerequisites needed by GCC.
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# Run this from the top level of the GCC source tree and the GCC build will do
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# the right thing. Run it with the `--help` option for more information.
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2010-06-02 13:14:19 +02:00
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#
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2016-05-02 17:23:20 +02:00
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# (C) 2010-2016 Free Software Foundation
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2010-06-02 13:14:19 +02:00
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see http://www.gnu.org/licenses/.
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2016-10-24 18:05:48 +02:00
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program='download_prerequisites'
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version='(unversioned)'
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# MAINTAINERS: If you update the package versions below, please
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# remember to also update the files `contrib/prerequisites.sha512` and
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# `contrib/prerequisites.md5` with the new checksums.
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gmp='gmp-6.1.0.tar.bz2'
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mpfr='mpfr-3.1.4.tar.bz2'
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mpc='mpc-1.0.3.tar.gz'
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2017-09-18 09:42:32 +02:00
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isl='isl-0.18.tar.bz2'
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2016-10-24 18:05:48 +02:00
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base_url='ftp://gcc.gnu.org/pub/gcc/infrastructure/'
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echo_archives() {
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echo "${gmp}"
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echo "${mpfr}"
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echo "${mpc}"
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if [ ${graphite} -gt 0 ]; then echo "${isl}"; fi
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}
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graphite=1
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verify=1
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force=0
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2017-04-11 18:34:07 +02:00
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OS=$(uname)
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case $OS in
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"Darwin")
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chksum='shasum -a 512 --check'
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;;
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*)
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chksum='sha512sum --check'
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;;
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esac
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if type wget > /dev/null ; then
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fetch='wget'
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else
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fetch='curl -LO -u anonymous:'
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fi
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chksum_extension='sha512'
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2016-10-24 18:05:48 +02:00
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directory='.'
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helptext="usage: ${program} [OPTION...]
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Downloads some prerequisites needed by GCC. Run this from the top level of the
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GCC source tree and the GCC build will do the right thing.
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The following options are available:
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--directory=DIR download and unpack packages into DIR instead of '.'
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--force download again overwriting existing packages
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--no-force do not download existing packages again (default)
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--isl download ISL, needed for Graphite loop optimizations (default)
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--graphite same as --isl
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--no-isl don't download ISL
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--no-graphite same as --no-isl
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--verify verify package integrity after download (default)
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--no-verify don't verify package integrity
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--sha512 use SHA512 checksum to verify package integrity (default)
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--md5 use MD5 checksum to verify package integrity
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--help show this text and exit
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--version show version information and exit
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"
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2015-09-11 08:09:36 +02:00
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2016-10-24 18:05:48 +02:00
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versiontext="${program} ${version}
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Copyright (C) 2016 Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
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die() {
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echo "error: $@" >&2
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exit 1
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}
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for arg in "$@"
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do
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case "${arg}" in
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--help)
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echo "${helptext}"
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exit
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;;
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--version)
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echo "${versiontext}"
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exit
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;;
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esac
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done
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unset arg
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2017-04-11 18:34:07 +02:00
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# Emulate Linux's 'md5 --check' on macOS
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md5_check() {
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# Store the standard input: a line from contrib/prerequisites.md5:
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md5_checksum_line=$(cat -)
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# Grab the text before the first space
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md5_checksum_expected="${md5_checksum_line%% *}"
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# Grab the text after the first space
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file_to_check="${md5_checksum_line##* }"
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# Calculate the md5 checksum for the downloaded file
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md5_checksum_output=$(md5 -r "${file_to_check}")
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# Grab the text before the first space
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md5_checksum_detected="${md5_checksum_output%% *}"
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[ "${md5_checksum_expected}" == "${md5_checksum_detected}" ] \
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|| die "Cannot verify integrity of possibly corrupted file ${file_to_check}"
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echo "${file_to_check}: OK"
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}
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2016-10-24 18:05:48 +02:00
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argnext=
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for arg in "$@"
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do
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if [ "x${argnext}" = x ]
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then
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case "${arg}" in
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--directory)
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argnext='directory'
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;;
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--directory=*)
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directory="${arg#--directory=}"
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;;
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--force)
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force=1
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;;
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--no-force)
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force=0
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;;
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--isl|--graphite)
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graphite=1
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;;
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--no-isl|--no-graphite)
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graphite=0
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;;
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--verify)
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verify=1
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;;
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--no-verify)
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verify=0
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;;
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--sha512)
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2017-04-11 18:34:07 +02:00
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case $OS in
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"Darwin")
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chksum='shasum -a 512 --check'
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;;
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*)
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chksum='sha512sum --check'
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;;
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esac
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chksum_extension='sha512'
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2016-10-24 18:05:48 +02:00
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verify=1
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;;
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--md5)
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2017-04-11 18:34:07 +02:00
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case $OS in
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"Darwin")
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chksum='md5_check'
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;;
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*)
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chksum='md5 --check'
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;;
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esac
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chksum_extension='md5'
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2016-10-24 18:05:48 +02:00
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verify=1
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;;
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-*)
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die "unknown option: ${arg}"
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;;
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*)
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die "too many arguments"
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;;
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esac
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else
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case "${arg}" in
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-*)
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die "Missing argument for option --${argnext}"
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;;
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esac
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case "${argnext}" in
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directory)
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directory="${arg}"
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;;
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*)
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die "The impossible has happened"
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;;
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esac
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argnext=
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fi
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done
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[ "x${argnext}" = x ] || die "Missing argument for option --${argnext}"
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unset arg argnext
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[ -e ./gcc/BASE-VER ] \
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|| die "You must run this script in the top-level GCC source directory"
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[ -d "${directory}" ] \
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|| die "No such directory: ${directory}"
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for ar in $(echo_archives)
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do
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if [ ${force} -gt 0 ]; then rm -f "${directory}/${ar}"; fi
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[ -e "${directory}/${ar}" ] \
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2017-04-11 18:34:07 +02:00
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|| ${fetch} --no-verbose -O "${directory}/${ar}" "${base_url}${ar}" \
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2016-10-24 18:05:48 +02:00
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|| die "Cannot download ${ar} from ${base_url}"
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done
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unset ar
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if [ ${verify} -gt 0 ]
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then
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2017-04-11 18:34:07 +02:00
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chksumfile="contrib/prerequisites.${chksum_extension}"
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2016-10-24 18:05:48 +02:00
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[ -r "${chksumfile}" ] || die "No checksums available"
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for ar in $(echo_archives)
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do
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grep "${ar}" "${chksumfile}" \
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2017-04-11 18:34:07 +02:00
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| ( cd "${directory}" && ${chksum} ) \
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2016-10-24 18:05:48 +02:00
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|| die "Cannot verify integrity of possibly corrupted file ${ar}"
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done
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unset chksumfile
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2013-05-24 17:23:44 +02:00
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fi
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2016-10-24 18:05:48 +02:00
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unset ar
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for ar in $(echo_archives)
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do
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package="${ar%.tar*}"
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if [ ${force} -gt 0 ]; then rm -rf "${directory}/${package}"; fi
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[ -e "${directory}/${package}" ] \
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|| ( cd "${directory}" && tar -xf "${ar}" ) \
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|| die "Cannot extract package from ${ar}"
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unset package
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done
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unset ar
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for ar in $(echo_archives)
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do
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target="${directory}/${ar%.tar*}/"
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linkname="${ar%-*}"
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if [ ${force} -gt 0 ]; then rm -f "${linkname}"; fi
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[ -e "${linkname}" ] \
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|| ln -s "${target}" "${linkname}" \
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|| die "Cannot create symbolic link ${linkname} --> ${target}"
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unset target linkname
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done
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unset ar
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echo "All prerequisites downloaded successfully."
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