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1 #! /bin/sh
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2
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3 ########################################################################
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4 #
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5 # File: gcc_build
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6 # Author: Mark Mitchell
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7 # Date: 2000-07-10
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8 #
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9 # Adapted to Subversion by Ben Elliston <bje@au.ibm.com>, 2005-07-14.
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10 #
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11 # Contents:
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12 # Script to automatically download and build GCC.
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13 #
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14 # Copyright (c) 2000, 2001, 2003, 2005 Free Software Foundation.
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15 #
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16 # This file is part of GCC.
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17 #
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18 # GCC is free software; you can redistribute it and/or modify
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19 # it under the terms of the GNU General Public License as published by
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20 # the Free Software Foundation; either version 3, or (at your option)
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21 # any later version.
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22 #
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23 # GCC is distributed in the hope that it will be useful,
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24 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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25 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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26 # GNU General Public License for more details.
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27 #
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28 # You should have received a copy of the GNU General Public License
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29 # along with GCC; see the file COPYING. If not, write to
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30 # the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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31 # Boston, MA 02110-1301, USA.
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32 #
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33 ########################################################################
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34
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35 ########################################################################
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36 # Notes
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37 ########################################################################
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38
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39 # You can set the following variables in the environment. They
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40 # have no corresponding command-line options because they should
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41 # only be needed infrequently:
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42 #
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43 # MAKE The path to `make'.
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44
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45 ########################################################################
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46 # Functions
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47 ########################################################################
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48
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49 # Issue the error message given by $1 and exit with a non-zero
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50 # exit code.
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51
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52 error() {
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53 echo "gcc_build: error: $1"
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54 exit 1
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55 }
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56
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57 # Issue a usage message explaining how to use this script.
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58
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59 usage() {
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60 cat <<EOF
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61 gcc_build [-c configure_options]
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62 [-d destination_directory]
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63 [-m make_boot_options]
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64 [-o objdir]
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65 [-b branch_name]
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66 [-u username]
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67 [-p protocol]
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68 [-t tarfile]
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69 [-x make_check_options]
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70 [bootstrap]
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71 [build]
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72 [checkout]
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73 [configure]
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74 [export]
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75 [install]
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76 [test]
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77 [update]
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78 EOF
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79 exit 1
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80 }
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81
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82 # Change to the directory given by $1.
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83
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84 changedir() {
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85 cd $1 || \
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86 error "Could not change directory to $1"
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87 }
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88
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89 # Checkout a fresh copy of the GCC build tree.
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90
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91 checkout_gcc() {
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92 # If the destination already exists, don't risk destroying it.
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93 test -e ${DESTINATION} && \
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94 error "${DESTINATION} already exists"
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95
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96 # Checkout the tree
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97 test -n "${SVN_USERNAME}" && SVN_USERNAME="${SVN_USERNAME}@"
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98 SVNROOT="${SVN_PROTOCOL}://${SVN_USERNAME}${SVN_SERVER}${SVN_REPOSITORY}${SVN_BRANCH}"
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99
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100 $GCC_SVN co $SVNROOT ${DESTINATION} || \
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101 error "Could not check out GCC"
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102 }
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103
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104 # Update GCC.
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105
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106 update_gcc() {
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107 # If the destination does not already exist, complain.
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108 test -d ${DESTINATION} || \
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109 error "${DESTINATION} does not exist"
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110
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111 # Enter the destination directory.
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112 changedir ${DESTINATION}
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113
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114 # Update the tree
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115 ./contrib/gcc_update || \
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116 error "Could not update GCC"
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117 }
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118
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119 # Configure for a build of GCC.
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120
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121 configure_gcc() {
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122 # Go to the source directory.
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123 changedir ${DESTINATION}
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124
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125 # Remove the object directory.
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126 rm -rf ${OBJDIR}
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127 # Create it again.
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128 mkdir ${OBJDIR} || \
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129 error "Could not create ${OBJDIR}"
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130 # Enter it.
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131 changedir ${OBJDIR}
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132
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133 # Configure the tree.
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134 echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
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135 eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
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136 error "Could not configure the compiler"
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137 }
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138
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139 # Bootstrap GCC. Assume configuration has already occurred.
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140
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141 bootstrap_gcc() {
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142 # Go to the source directory.
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143 changedir ${DESTINATION}
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144 # Go to the object directory.
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145 changedir ${OBJDIR}
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146
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147 # Bootstrap the compiler
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148 echo "Building: ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap"
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149 eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap || \
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150 error "Could not bootstrap the compiler"
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151 }
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152
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153 # Test GCC.
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154
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155 test_gcc() {
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156 # Go to the source directory.
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157 changedir ${DESTINATION}
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158 # Go to the object directory.
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159 changedir ${OBJDIR}
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160
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161 echo "Running tests... This will take a while."
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162 eval \${MAKE} -k ${MAKE_CHECK_OPTIONS} check
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163 ${DESTINATION}/contrib/test_summary
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164 }
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165
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166 # Export the GCC source tree.
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167
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168 export_gcc() {
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169 # Go to the source directory.
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170 changedir ${DESTINATION}
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171 # Go up one level.
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172 changedir ..
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173 # Build a tarball of the source directory.
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174 tar czf ${TARFILE} \
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175 --exclude=${OBJDIR} \
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176 --exclude=.svn \
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177 --exclude='.#*' \
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178 --exclude='*~' \
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179 `basename ${DESTINATION}`
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180 }
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181
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182 # Install GCC.
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183
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184 install_gcc() {
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185 # Go to the source directory.
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186 changedir ${DESTINATION}
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187 # Go to the object directory.
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188 changedir ${OBJDIR}
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189
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190 ${MAKE} install || error "Installation failed"
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191 }
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192
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193 ########################################################################
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194 # Initialization
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195 ########################################################################
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196
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197 # SVN command
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198 GCC_SVN=${GCC_SVN-${SVN-svn}}
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199 # The SVN server containing the GCC repository.
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200 SVN_SERVER="gcc.gnu.org"
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201 # The path to the repository on that server.
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202 SVN_REPOSITORY="/svn/gcc/"
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203 # The branch to check out from that server.
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204 # Defaults to trunk if no branch is defined with -b.
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205 SVN_BRANCH=""
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206 # The SVN protocol to use.
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207 SVN_PROTOCOL="svn"
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208 # The username to use when connecting to the server.
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209 # An empty string means anonymous.
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210 SVN_USERNAME=""
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211
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212 # The directory where the checked out GCC will be placed.
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213 DESTINATION="${HOME}/dev/gcc"
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214 # The relative path from the top of the source tree to the
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215 # object directory.
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216 OBJDIR="objdir"
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217
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218 # The file where the tarred up sources will be placed.
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219 TARFILE="${HOME}/dev/gcc.tgz"
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220
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221 # Options to pass to configure.
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222 CONFIGURE_OPTIONS=
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223 # The `make' program.
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224 MAKE=${MAKE:-make}
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225 # Options to pass to "make bootstrap".
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226 MAKE_BOOTSTRAP_OPTIONS=
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227 # Options to pass to "make check".
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228 MAKE_CHECK_OPTIONS=
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229
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230 # Modes of operation
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231 BOOTSTRAP=0
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232 CHECKOUT=0
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233 CONFIGURE=0
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234 EXPORT=0
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235 INSTALL=0
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236 TEST=0
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237 UPDATE=0
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238
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239 ########################################################################
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240 # Main Program
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241 ########################################################################
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242
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243 # Issue usage if no parameters are given.
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244 test $# -eq 0 && usage
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245
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246 # Parse the options.
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247 while getopts "c:d:m:o:p:t:b:u:x:" ARG; do
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248 case $ARG in
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249 c) CONFIGURE_OPTIONS="${OPTARG}";;
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250 d) DESTINATION="${OPTARG}";;
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251 m) MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
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252 o) OBJDIR="${OPTARG}";;
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253 p) SVN_PROTOCOL="${OPTARG}";;
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254 t) TARFILE="${OPTARG}";;
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255 x) MAKE_CHECK_OPTIONS="${OPTARG}";;
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256 b) SVN_BRANCH="${OPTARG}";;
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257 u) SVN_USERNAME="${OPTARG}";;
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258 \?) usage;;
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259 esac
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260 done
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261 shift `expr ${OPTIND} - 1`
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262
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263 # Handle the major modes.
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264 while [ $# -ne 0 ]; do
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265 case $1 in
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266 bootstrap) BOOTSTRAP=1;;
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267 build) CONFIGURE=1; BOOTSTRAP=1;;
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268 checkout) CHECKOUT=1;;
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269 configure) CONFIGURE=1;;
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270 export) EXPORT=1;;
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271 install) INSTALL=1;;
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272 test) TEST=1;;
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273 update) UPDATE=1;;
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274 *) usage;;
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275 esac
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276 shift
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277 done
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278
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279 # Check the arguments for sanity.
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280 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
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281 error "Cannot checkout and update simultaneously"
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282 fi
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283
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284 if [ ${CHECKOUT} -eq 0 ] && test -n "${SVN_BRANCH}"; then
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285 error "Branch argument only makes sense when doing a checkout"
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286 fi
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287
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288 # Validate the branch name.
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289 if test -n "${SVN_BRANCH}"; then
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290 SVN_BRANCH="branches/${SVN_BRANCH}";
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291 else
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292 SVN_BRANCH="trunk";
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293 fi
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294
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295 # Checkout the tree.
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296 if [ ${CHECKOUT} -ne 0 ]; then
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297 checkout_gcc
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298 elif [ ${UPDATE} -ne 0 ]; then
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299 update_gcc
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300 fi
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301
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302 # Configure to build the tree.
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303 if [ ${CONFIGURE} -ne 0 ]; then
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304 configure_gcc
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305 fi
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306
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307 # Bootstrap the compiler.
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308 if [ ${BOOTSTRAP} -ne 0 ]; then
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309 bootstrap_gcc
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310 fi
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311
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312 # Test the compiler
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313 if [ ${TEST} -ne 0 ]; then
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314 test_gcc
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315 fi
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316
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317 # Install the compiler.
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318 if [ ${INSTALL} -ne 0 ]; then
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319 install_gcc
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320 fi
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321
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322 # Export the sources
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323 if [ ${EXPORT} -ne 0 ]; then
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324 export_gcc
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325 fi
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