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download_prerequisites: Conditionally verify checksums of downloaded pacakges.
2016-10-24 Moritz Klammler <moritz@glammler.eu> * download_prerequisites: Conditionally verify checksums of downloaded pacakges. Add help text. * prerequisites.md5: New file. * prerequisites.sha512: New file. From-SVN: r241483
This commit is contained in:
Moritz Klammler
committed by
Jeff Law
Jeff Law
parent
d168c883c5
commit
38000825cd
@@ -1,8 +1,9 @@
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#! /bin/sh
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#! -*- coding:utf-8; mode:shell-script; -*-
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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
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# build will do the right thing.
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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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#
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# (C) 2010-2016 Free Software Foundation
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#
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@@ -19,42 +20,196 @@
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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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# If you want to disable Graphite loop optimizations while building GCC,
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# DO NOT set GRAPHITE_LOOP_OPT as yes so that the isl package will not
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# be downloaded.
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GRAPHITE_LOOP_OPT=yes
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if [ ! -e gcc/BASE-VER ] ; then
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echo "You must run this script in the top level GCC source directory."
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exit 1
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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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isl='isl-0.16.1.tar.bz2'
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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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chksum='sha512'
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directory='.'
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helptext="usage: ${program} [OPTION...]
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Downloads some prerequisites needed by GCC. Run this from the top level of the
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GCC source tree and the GCC build will do the right thing.
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The following options are available:
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--directory=DIR download and unpack packages into DIR instead of '.'
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--force download again overwriting existing packages
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--no-force do not download existing packages again (default)
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--isl download ISL, needed for Graphite loop optimizations (default)
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--graphite same as --isl
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--no-isl don't download ISL
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--no-graphite same as --no-isl
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--verify verify package integrity after download (default)
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--no-verify don't verify package integrity
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--sha512 use SHA512 checksum to verify package integrity (default)
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--md5 use MD5 checksum to verify package integrity
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--help show this text and exit
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--version show version information and exit
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"
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versiontext="${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 "${versiontext}"
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exit
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;;
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esac
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done
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unset arg
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argnext=
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for arg in "$@"
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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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chksum='sha512'
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verify=1
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;;
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--md5)
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chksum='md5'
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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}/${ar}" ] \
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|| wget --no-verbose -O "${directory}/${ar}" "${base_url}${ar}" \
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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 [ ${verify} -gt 0 ]
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then
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chksumfile="contrib/prerequisites.${chksum}"
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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}" "${chksumfile}" \
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| ( cd "${directory}" && "${chksum}sum" --check ) \
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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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fi
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unset ar
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# Necessary to build GCC.
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MPFR=mpfr-3.1.4
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GMP=gmp-6.1.0
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MPC=mpc-1.0.3
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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 ${ar}"
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unset package
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done
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unset ar
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
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tar xjf $MPFR.tar.bz2 || exit 1
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if test -L mpfr; then rm -f mpfr; fi
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ln -sf $MPFR mpfr || exit 1
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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} --> ${target}"
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unset target linkname
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done
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unset ar
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
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tar xjf $GMP.tar.bz2 || exit 1
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if test -L gmp; then rm -f gmp; fi
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ln -sf $GMP gmp || exit 1
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
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tar xzf $MPC.tar.gz || exit 1
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if test -L mpc; then rm -f mpc; fi
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ln -sf $MPC mpc || exit 1
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# Necessary to build GCC with the Graphite loop optimizations.
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if [ "$GRAPHITE_LOOP_OPT" = "yes" ] ; then
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ISL=isl-0.16.1
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wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$ISL.tar.bz2 || exit 1
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tar xjf $ISL.tar.bz2 || exit 1
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if test -L isl; then rm -f isl; fi
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ln -sf $ISL isl || exit 1
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fi
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echo "All prerequisites downloaded successfully."
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