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, 2001, 2003 Free Software Foundation.
  13 #
  14 # This file is part of GCC.
  15 #
  16 # GCC 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 # GCC 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 GCC; 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                  [-o objdir]
  66                  [-u username]
  67                  [-p protocol]
  68                  [-t tarfile]
  69                  [bootstrap]
  70                  [build]
  71                  [checkout]
  72                  [configure]
  73                  [export]
  74                  [install]
  75                  [test]
  76                  [update]
  77 EOF
  78     exit 1
  79 }
  80
  81 # Change to the directory given by $1.
  82
  83 changedir() {
  84     cd $1 || \
  85         error "Could not change directory to $1"
  86 }
  87
  88 # Set up CVS environment variables
  89
  90 cvs_setup() {
  91     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
  92     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
  93     export CVSROOT
  94 }
  95
  96 # Checkout a fresh copy of the GCC build tree.
  97
  98 checkout_gcc() {
  99     # Tell CVS where to find everything.
 100     cvs_setup
 101
 102     # If the destination already exists, don't risk destroying it.
 103     test -e ${DESTINATION} && \
 104         error "${DESTINATION} already exists"
 105
 106     # CVS doesn't allow an absolute path for the destination directory.
 107     DESTINATION_PARENT=`dirname ${DESTINATION}`
 108     test -d ${DESTINATION_PARENT} || \
 109         error "${DESTINATION_PARENT} is not a directory"
 110     changedir ${DESTINATION_PARENT}
 111
 112     # Checkout the tree
 113     $GCC_CVS -z 9 co -d `basename ${DESTINATION}` gcc || \
 114         error "Could not check out GCC"
 115 }
 116
 117 # Update GCC.
 118
 119 update_gcc() {
 120     # Tell CVS where to find everything
 121     cvs_setup
 122
 123     # If the destination does not already exist, complain.
 124     test -d ${DESTINATION} || \
 125         error "{$DESTINATION} does not exist"
 126     # Enter the destination directory.
 127     changedir ${DESTINATION}
 128
 129     # Update the tree
 130     ./contrib/gcc_update -d || \
 131         error "Could not update GCC"
 132 }
 133
 134 # Configure for a build of GCC.
 135
 136 configure_gcc() {
 137     # Go to the source directory.
 138     changedir ${DESTINATION}
 139
 140     # Remove the object directory.
 141     rm -rf ${OBJDIR}
 142     # Create it again.
 143     mkdir ${OBJDIR} || \
 144         error "Could not create ${OBJDIR}"
 145     # Enter it.
 146     changedir ${OBJDIR}
 147
 148     # Configure the tree.
 149     echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
 150     eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
 151         error "Could not configure the compiler"
 152 }
 153
 154 # Bootstrap GCC.  Assume configuration has already occurred.
 155
 156 bootstrap_gcc() {
 157     # Go to the source directory.
 158     changedir ${DESTINATION}
 159     # Go to the object directory.
 160     changedir ${OBJDIR}
 161
 162     # Bootstrap the compiler
 163     echo "Building: ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap"
 164     eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap || \
 165         error "Could not bootstrap the compiler"
 166 }
 167
 168 # Test GCC.
 169
 170 test_gcc() {
 171     # Go to the source directory.
 172     changedir ${DESTINATION}
 173     # Go to the object directory.
 174     changedir ${OBJDIR}
 175
 176     echo "Running tests...  This will take a while."
 177     ${MAKE} -k check
 178     ${DESTINATION}/contrib/test_summary
 179 }
 180
 181 # Export the GCC source tree.
 182
 183 export_gcc() {
 184     # Go to the source directory.
 185     changedir ${DESTINATION}
 186     # Go up one level.
 187     changedir ..
 188     # Build a tarball of the source directory.
 189     tar czf ${TARFILE} \
 190         --exclude=${OBJDIR} \
 191         --exclude=CVS \
 192         --exclude='.#*' \
 193         --exclude='*~' \
 194         `basename ${DESTINATION}`
 195 }
 196
 197 # Install GCC.
 198
 199 install_gcc() {
 200     # Go to the source directory.
 201     changedir ${DESTINATION}
 202     # Go to the object directory.
 203     changedir ${OBJDIR}
 204
 205     ${MAKE} install || error "Installation failed"
 206 }
 207
 208 ########################################################################
 209 # Initialization
 210 ########################################################################
 211
 212 # CVS command
 213 GCC_CVS=${GCC_CVS-${CVS-cvs}}
 214 # The CVS server containing the GCC repository.
 215 CVS_SERVER="gcc.gnu.org"
 216 # The path to the repository on that server.
 217 CVS_REPOSITORY="/cvs/gcc"
 218 # The CVS protocol to use.
 219 CVS_PROTOCOL="pserver"
 220 # The username to use when connecting to the server.
 221 CVS_USERNAME="anoncvs"
 222
 223 # The directory where the checked out GCC will be placed.
 224 DESTINATION="${HOME}/dev/gcc"
 225 # The relative path from the top of the source tree to the
 226 # object directory.
 227 OBJDIR="objdir"
 228
 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:o: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     o)    OBJDIR="${OPTARG}";;
 259     p)    CVS_PROTOCOL="${OPTARG}";;
 260     t)    CVS_TARGFILE="${OPTARG}";;
 261     u)    CVS_USERNAME="${OPTARG}";;
 262     \?)   usage;;
 263     esac
 264 done
 265 shift `expr ${OPTIND} - 1`
 266
 267 # Handle the major modes.
 268 while [ $# -ne 0 ]; do
 269     case $1 in
 270     bootstrap) BOOTSTRAP=1;;
 271     build)    CONFIGURE=1; BOOTSTRAP=1;;
 272     checkout) CHECKOUT=1;;
 273     configure) CONFIGURE=1;;
 274     export)   EXPORT=1;;
 275     install)  INSTALL=1;;
 276     test)     TEST=1;;
 277     update)   UPDATE=1;;
 278     *)        usage;;
 279     esac
 280     shift
 281 done
 282
 283 # Check the arguments for sanity.
 284 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
 285     error "Cannot checkout and update simultaneously"
 286 fi
 287
 288 # Checkout the tree.
 289 if [ ${CHECKOUT} -ne 0 ]; then
 290     checkout_gcc
 291 elif [ ${UPDATE} -ne 0 ]; then
 292     update_gcc
 293 fi
 294
 295 # Configure to build the tree.
 296 if [ ${CONFIGURE} -ne 0 ]; then
 297     configure_gcc
 298 fi
 299
 300 # Bootstrap the compiler.
 301 if [ ${BOOTSTRAP} -ne 0 ]; then
 302     bootstrap_gcc
 303 fi
 304
 305 # Test the compiler
 306 if [ ${TEST} -ne 0 ]; then
 307     test_gcc
 308 fi
 309
 310 # Install the compiler.
 311 if [ ${INSTALL} -ne 0 ]; then
 312     install_gcc
 313 fi
 314
 315 # Export the sources
 316 if [ ${EXPORT} -ne 0 ]; then
 317     export_gcc
 318 fi