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1 #! /bin/sh
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111
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2 #! -*- coding:utf-8; mode:shell-script; -*-
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3
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4 # Download some prerequisites needed by GCC.
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5 # Run this from the top level of the GCC source tree and the GCC build will do
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6 # the right thing. Run it with the `--help` option for more information.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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7 #
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111
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8 # (C) 2010-2016 Free Software Foundation
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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9 #
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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10 # This program is free software: you can redistribute it and/or modify
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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11 # it under the terms of the GNU General Public License as published by
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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12 # the Free Software Foundation, either version 3 of the License, or
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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13 # (at your option) any later version.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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14 #
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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15 # This program is distributed in the hope that it will be useful, but
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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16 # WITHOUT ANY WARRANTY; without even the implied warranty of
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17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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18 # General Public License for more details.
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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19 #
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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20 # You should have received a copy of the GNU General Public License
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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21 # along with this program. If not, see http://www.gnu.org/licenses/.
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22
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23 program='download_prerequisites'
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24 version='(unversioned)'
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25
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26 # MAINTAINERS: If you update the package versions below, please
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27 # remember to also update the files `contrib/prerequisites.sha512` and
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28 # `contrib/prerequisites.md5` with the new checksums.
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29
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30 gmp='gmp-6.1.0.tar.bz2'
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31 mpfr='mpfr-3.1.4.tar.bz2'
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32 mpc='mpc-1.0.3.tar.gz'
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33 isl='isl-0.18.tar.bz2'
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34
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35 base_url='http://gcc.gnu.org/pub/gcc/infrastructure/'
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36
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37 echo_archives() {
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38 echo "${gmp}"
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39 echo "${mpfr}"
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40 echo "${mpc}"
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41 if [ ${graphite} -gt 0 ]; then echo "${isl}"; fi
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42 }
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43
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44 graphite=1
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45 verify=1
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46 force=0
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47 OS=$(uname)
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48
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49 case $OS in
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50 "Darwin"|"FreeBSD"|"DragonFly")
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51 chksum='shasum -a 512 --check'
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52 ;;
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53 *)
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54 chksum='sha512sum -c'
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55 ;;
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56 esac
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57
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58 if type wget > /dev/null ; then
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59 fetch='wget'
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60 else
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61 fetch='curl -LO'
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62 fi
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63 chksum_extension='sha512'
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64 directory='.'
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65
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66 helptext="usage: ${program} [OPTION...]
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67
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68 Downloads some prerequisites needed by GCC. Run this from the top level of the
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69 GCC source tree and the GCC build will do the right thing.
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70
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71 The following options are available:
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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72
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73 --directory=DIR download and unpack packages into DIR instead of '.'
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74 --force download again overwriting existing packages
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75 --no-force do not download existing packages again (default)
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76 --isl download ISL, needed for Graphite loop optimizations (default)
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77 --graphite same as --isl
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78 --no-isl don't download ISL
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79 --no-graphite same as --no-isl
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80 --verify verify package integrity after download (default)
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81 --no-verify don't verify package integrity
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82 --sha512 use SHA512 checksum to verify package integrity (default)
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83 --md5 use MD5 checksum to verify package integrity
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84 --help show this text and exit
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85 --version show version information and exit
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86 "
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87
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88 versiontext="${program} ${version}
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89 Copyright (C) 2016 Free Software Foundation, Inc.
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90 This is free software; see the source for copying conditions. There is NO
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91 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
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92
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93 die() {
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94 echo "error: $@" >&2
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95 exit 1
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96 }
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97
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98 for arg in "$@"
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99 do
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100 case "${arg}" in
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101 --help)
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102 echo "${helptext}"
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103 exit
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104 ;;
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105 --version)
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106 echo "${versiontext}"
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107 exit
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108 ;;
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109 esac
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110 done
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111 unset arg
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112
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113 # Emulate Linux's 'md5 --check' on macOS
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114 md5_check() {
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115 # Store the standard input: a line from contrib/prerequisites.md5:
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116 md5_checksum_line=$(cat -)
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117 # Grab the text before the first space
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118 md5_checksum_expected="${md5_checksum_line%% *}"
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119 # Grab the text after the first space
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120 file_to_check="${md5_checksum_line##* }"
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121 # Calculate the md5 checksum for the downloaded file
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122 md5_checksum_output=$(md5 -r "${file_to_check}")
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123 # Grab the text before the first space
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124 md5_checksum_detected="${md5_checksum_output%% *}"
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125 [ "${md5_checksum_expected}" == "${md5_checksum_detected}" ] \
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126 || die "Cannot verify integrity of possibly corrupted file ${file_to_check}"
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127 echo "${file_to_check}: OK"
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128 }
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129
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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130
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131 argnext=
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132 for arg in "$@"
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133 do
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134 if [ "x${argnext}" = x ]
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135 then
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136 case "${arg}" in
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137 --directory)
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138 argnext='directory'
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139 ;;
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140 --directory=*)
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141 directory="${arg#--directory=}"
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142 ;;
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143 --force)
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144 force=1
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145 ;;
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146 --no-force)
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147 force=0
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148 ;;
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149 --isl|--graphite)
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150 graphite=1
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151 ;;
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152 --no-isl|--no-graphite)
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153 graphite=0
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154 ;;
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155 --verify)
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156 verify=1
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157 ;;
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158 --no-verify)
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159 verify=0
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160 ;;
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161 --sha512)
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162 case $OS in
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163 "Darwin")
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164 chksum='shasum -a 512 --check'
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165 ;;
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166 *)
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167 chksum='sha512sum --check'
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168 ;;
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169 esac
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170 chksum_extension='sha512'
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171 verify=1
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172 ;;
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173 --md5)
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174 case $OS in
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175 "Darwin")
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176 chksum='md5_check'
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177 ;;
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178 *)
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179 chksum='md5 --check'
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180 ;;
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181 esac
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182 chksum_extension='md5'
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183 verify=1
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184 ;;
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185 -*)
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186 die "unknown option: ${arg}"
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187 ;;
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188 *)
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189 die "too many arguments"
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190 ;;
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191 esac
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192 else
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193 case "${arg}" in
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194 -*)
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195 die "Missing argument for option --${argnext}"
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196 ;;
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197 esac
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198 case "${argnext}" in
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199 directory)
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200 directory="${arg}"
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201 ;;
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202 *)
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203 die "The impossible has happened"
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204 ;;
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205 esac
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206 argnext=
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207 fi
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208 done
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209 [ "x${argnext}" = x ] || die "Missing argument for option --${argnext}"
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210 unset arg argnext
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68
Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
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211
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212 [ -e ./gcc/BASE-VER ] \
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213 || die "You must run this script in the top-level GCC source directory"
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214
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215 [ -d "${directory}" ] \
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216 || die "No such directory: ${directory}"
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217
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218 for ar in $(echo_archives)
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219 do
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220 if [ ${force} -gt 0 ]; then rm -f "${directory}/${ar}"; fi
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221 [ -e "${directory}/${ar}" ] \
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222 || ${fetch} --no-verbose -O "${directory}/${ar}" "${base_url}${ar}" \
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223 || die "Cannot download ${ar} from ${base_url}"
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224 done
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225 unset ar
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Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
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226
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227 if [ ${verify} -gt 0 ]
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228 then
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229 chksumfile="contrib/prerequisites.${chksum_extension}"
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230 [ -r "${chksumfile}" ] || die "No checksums available"
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231 for ar in $(echo_archives)
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232 do
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233 grep "${ar}" "${chksumfile}" \
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234 | ( cd "${directory}" && ${chksum} ) \
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235 || die "Cannot verify integrity of possibly corrupted file ${ar}"
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236 done
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237 unset chksumfile
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238 fi
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239 unset ar
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240
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241 for ar in $(echo_archives)
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242 do
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243 package="${ar%.tar*}"
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244 if [ ${force} -gt 0 ]; then rm -rf "${directory}/${package}"; fi
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245 [ -e "${directory}/${package}" ] \
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246 || ( cd "${directory}" && tar -xf "${ar}" ) \
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247 || die "Cannot extract package from ${ar}"
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248 unset package
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249 done
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250 unset ar
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251
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252 for ar in $(echo_archives)
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253 do
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254 target="${directory}/${ar%.tar*}/"
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255 linkname="${ar%-*}"
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256 if [ ${force} -gt 0 ]; then rm -f "${linkname}"; fi
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257 [ -e "${linkname}" ] \
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258 || ln -s "${target}" "${linkname}" \
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259 || die "Cannot create symbolic link ${linkname} --> ${target}"
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260 unset target linkname
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261 done
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262 unset ar
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263
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264 echo "All prerequisites downloaded successfully."
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