contrib/gcc_build

   1 #! /bin/sh
   2
   3 ########################################################################
   4 #
   5 # File:   gcc_build
   6 # Author: Mark Mitchell
   7 # Date:   07/10/2000
   8 #
   9 # Contents:
  10 #   Script to automatically download and build GCC.
  11 #
  12 # Copyright (c) 2000 Free Software Foundation.
  13 #
  14 # This file is part of GNU CC.
  15 #
  16 # GNU CC is free software; you can redistribute it and/or modify
  17 # it under the terms of the GNU General Public License as published by
  18 # the Free Software Foundation; either version 2, or (at your option)
  19 # any later version.
  20 #
  21 # GNU CC is distributed in the hope that it will be useful,
  22 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  23 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24 # GNU General Public License for more details.
  25 #
  26 # You should have received a copy of the GNU General Public License
  27 # along with GNU CC; see the file COPYING.  If not, write to
  28 # the Free Software Foundation, 59 Temple Place - Suite 330,
  29 # Boston, MA 02111-1307, USA.
  30 #
  31 ########################################################################
  32
  33 ########################################################################
  34 # Notes
  35 ########################################################################
  36
  37 # If you are using password-based CVS, you must manually log in, and
  38 # not log out from, the CVS server before running this script.
  39
  40 # You can set the following variables in the environment.  They
  41 # have no corresponding command-line options because they should
  42 # only be needed infrequently:
  43 #
  44 #   MAKE                        The path to `make'.
  45
  46 ########################################################################
  47 # Functions
  48 ########################################################################
  49
  50 # Issue the error message given by $1 and exit with a non-zero
  51 # exit code.
  52
  53 error() {
  54     echo "gcc_build: error: $1"
  55     exit 1
  56 }
  57
  58 # Issue a usage message explaining how to use this script.
  59
  60 usage() {
  61 cat <<EOF
  62 gcc_build        [-c configure_options]
  63                  [-d destination_directory]
  64                  [-m make_boot_options]
  65                  [-u username]
  66                  [-p protocol]
  67                  [-t tarfile]
  68                  [bootstrap]
  69                  [build]
  70                  [checkout]
  71                  [configure]
  72                  [export]
  73                  [install]
  74                  [test]
  75                  [update]
  76 EOF
  77     exit 1
  78 }
  79
  80 # Change to the directory given by $1.
  81
  82 changedir() {
  83     cd $1 || \
  84         error "Could not change directory to $1"
  85 }
  86
  87 # Set up CVS environment variables
  88
  89 cvs_setup() {
  90     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
  91     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
  92     export CVSROOT
  93 }
  94
  95 # Checkout a fresh copy of the GCC build tree.
  96
  97 checkout_gcc() {
  98     # Tell CVS where to find everything.
  99     cvs_setup
 100
 101     # If the destination already exists, don't risk destroying it.
 102     test -e ${DESTINATION} && \
 103         error "${DESTINATION} already exists"
 104
 105     # CVS doesn't allow an absolute path for the destination directory.
 106     DESTINATION_PARENT=`dirname ${DESTINATION}`
 107     test -d ${DESTINATION_PARENT} || \
 108         error "${DESTINATION_PARENT} is not a directory"
 109     changedir ${DESTINATION_PARENT}
 110
 111     # Checkout the tree
 112     cvs -z 9 co -d `basename ${DESTINATION}` gcc || \
 113         error "Could not check out GCC"
 114 }
 115
 116 # Update GCC.
 117
 118 update_gcc() {
 119     # Tell CVS where to find everything
 120     cvs_setup
 121
 122     # If the destination does not already exist, complain.
 123     test -d ${DESTINATION} || \
 124         error "{$DESTINATION} does not exist"
 125     # Enter the destination directory.
 126     changedir ${DESTINATION}
 127
 128     # Update the tree
 129     (./contrib/gcc_update | tee -a ${LOGFILE}) || \
 130         error "Could not update GCC"
 131 }
 132
 133 # Configure for a build of GCC.
 134
 135 configure_gcc() {
 136     # Go to the source directory.
 137     changedir ${DESTINATION}
 138
 139     # Remove the object directory.
 140     rm -rf ${OBJDIR}
 141     # Create it again.
 142     mkdir ${OBJDIR} || \
 143         error "Could not create ${OBJDIR}"
 144     # Enter it.
 145     changedir ${OBJDIR}
 146
 147     # Configure the tree.
 148     (eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} 2>&1 |
 149         tee -a ${LOGFILE}) || \
 150         error "Could not configure the compiler"
 151 }
 152
 153 # Bootstrap GCC.  Assume configuration has already occurred.
 154
 155 bootstrap_gcc() {
 156     # Go to the source directory.
 157     changedir ${DESTINATION}
 158     # Go to the object directory.
 159     changedir ${OBJDIR}
 160
 161     # Bootstrap the compiler
 162     (eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap 2>&1 |
 163         tee -a ${LOGFILE}) || \
 164         error "Could not bootstrap the compiler"
 165 }
 166
 167 # Test GCC.
 168
 169 test_gcc() {
 170     # Go to the source directory.
 171     changedir ${DESTINATION}
 172     # Go to the object directory.
 173     changedir ${OBJDIR}
 174
 175     echo "Running tests...  This will take a while."
 176     (${MAKE} -k check 2>&1 | tee -a ${LOGFILE})
 177     (${DESTINATION}/contrib/test_summary | tee -a ${LOGFILE})
 178 }
 179
 180 # Export the GCC source tree.
 181
 182 export_gcc() {
 183     # Go to the source directory.
 184     changedir ${DESTINATION}
 185     # Go up one level.
 186     changedir ..
 187     # Build a tarball of the source directory.
 188     tar czf ${TARFILE} \
 189         --exclude=${OBJDIR} \
 190         --exclude=CVS \
 191         --exclude='.#*' \
 192         --exclude='*~' \
 193         `basename ${DESTINATION}`
 194 }
 195
 196 # Install GCC.
 197
 198 install_gcc() {
 199     # Go to the source directory.
 200     changedir ${DESTINATION}
 201     # Go to the object directory.
 202     changedir ${OBJDIR}
 203
 204     (${MAKE} install 2>&1 | tee -a ${LOGFILE}) || \
 205         error "Installation failed"
 206 }
 207
 208 ########################################################################
 209 # Initialization
 210 ########################################################################
 211
 212 # The CVS server containing the GCC repository.
 213 CVS_SERVER="gcc.gnu.org"
 214 # The path to the repository on that server.
 215 CVS_REPOSITORY="/cvs/gcc"
 216 # The CVS protocol to use.
 217 CVS_PROTOCOL="pserver"
 218 # The username to use when connecting to the server.
 219 CVS_USERNAME="anoncvs"
 220
 221 # The directory where the checked out GCC will be placed.
 222 DESTINATION="${HOME}/dev/gcc"
 223 # The relative path from the top of the source tree to the
 224 # object directory.
 225 OBJDIR="objdir"
 226
 227 # The file where information will be logged.
 228 LOGFILE=${HOME}/build-gcc.$$.log
 229 # The file where the tarred up sources will be placed.
 230 TARFILE="${HOME}/dev/gcc.tgz"
 231
 232 # Options to pass to configure.
 233 CONFIGURE_OPTIONS=
 234 # The `make' program.
 235 MAKE=${MAKE:-make}
 236 # Options to pass to make.
 237 MAKE_BOOTSTRAP_OPTIONS=
 238
 239 # Modes of operation
 240 BOOTSTRAP=0
 241 CHECKOUT=0
 242 CONFIGURE=0
 243 EXPORT=0
 244 INSTALL=0
 245 TEST=0
 246 UPDATE=0
 247
 248 ########################################################################
 249 # Main Program
 250 ########################################################################
 251
 252 # Parse the options.
 253 while getopts "c:d:m:p:t:u:" ARG; do
 254     case $ARG in
 255     c)    CONFIGURE_OPTIONS="${OPTARG}";;
 256     d)    DESTINATION="${OPTARG}";;
 257     m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
 258     p)    CVS_PROTOCOL="${OPTARG}";;
 259     t)    CVS_TARGFILE="${OPTARG}";;
 260     u)    CVS_USERNAME="${OPTARG}";;
 261     \?)   usage;;
 262     esac
 263 done
 264 shift `expr ${OPTIND} - 1`
 265
 266 # Handle the major modes.
 267 while [ $# -ne 0 ]; do
 268     case $1 in
 269     bootstrap) BOOTSTRAP=1;;
 270     build)    CONFIGURE=1; BOOTSTRAP=1;;
 271     checkout) CHECKOUT=1;;
 272     configure) CONFIGURE=1;;
 273     export)   EXPORT=1;;
 274     install)  INSTALL=1;;
 275     test)     TEST=1;;
 276     update)   UPDATE=1;;
 277     *)        usage;;
 278     esac
 279     shift
 280 done
 281
 282 # Check the arguments for sanity.
 283 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
 284     error "Cannot checkout and update simultaneously"
 285 fi
 286
 287 # Remove any old logfiles.
 288 rm -f ${LOGFILE}
 289 # Tell the user where to find the logfile.
 290 echo "gcc_build: The logfile for this run is ${LOGFILE}"
 291
 292 # Checkout the tree.
 293 if [ ${CHECKOUT} -ne 0 ]; then
 294     checkout_gcc
 295 elif [ ${UPDATE} -ne 0 ]; then
 296     update_gcc
 297 fi
 298
 299 # Configure to build the tree.
 300 if [ ${CONFIGURE} -ne 0 ]; then
 301     configure_gcc
 302 fi
 303
 304 # Bootstrap the compiler.
 305 if [ ${BOOTSTRAP} -ne 0 ]; then
 306     bootstrap_gcc
 307 fi
 308
 309 # Test the compiler
 310 if [ ${TEST} -ne 0 ]; then
 311     test_gcc
 312 fi
 313
 314 # Install the compiler.
 315 if [ ${INSTALL} -ne 0 ]; then
 316     install_gcc
 317 fi
 318
 319 # Export the sources
 320 if [ ${EXPORT} -ne 0 ]; then
 321     export_gcc
 322 fi