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                  [-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     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 || \
 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     eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
 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 || \
 163         error "Could not bootstrap the compiler"
 164 }
 165
 166 # Test GCC.
 167
 168 test_gcc() {
 169     # Go to the source directory.
 170     changedir ${DESTINATION}
 171     # Go to the object directory.
 172     changedir ${OBJDIR}
 173
 174     echo "Running tests...  This will take a while."
 175     ${MAKE} -k check
 176     ${DESTINATION}/contrib/test_summary
 177 }
 178
 179 # Export the GCC source tree.
 180
 181 export_gcc() {
 182     # Go to the source directory.
 183     changedir ${DESTINATION}
 184     # Go up one level.
 185     changedir ..
 186     # Build a tarball of the source directory.
 187     tar czf ${TARFILE} \
 188         --exclude=${OBJDIR} \
 189         --exclude=CVS \
 190         --exclude='.#*' \
 191         --exclude='*~' \
 192         `basename ${DESTINATION}`
 193 }
 194
 195 # Install GCC.
 196
 197 install_gcc() {
 198     # Go to the source directory.
 199     changedir ${DESTINATION}
 200     # Go to the object directory.
 201     changedir ${OBJDIR}
 202
 203     ${MAKE} install || error "Installation failed"
 204 }
 205
 206 ########################################################################
 207 # Initialization
 208 ########################################################################
 209
 210 # The CVS server containing the GCC repository.
 211 CVS_SERVER="gcc.gnu.org"
 212 # The path to the repository on that server.
 213 CVS_REPOSITORY="/cvs/gcc"
 214 # The CVS protocol to use.
 215 CVS_PROTOCOL="pserver"
 216 # The username to use when connecting to the server.
 217 CVS_USERNAME="anoncvs"
 218
 219 # The directory where the checked out GCC will be placed.
 220 DESTINATION="${HOME}/dev/gcc"
 221 # The relative path from the top of the source tree to the
 222 # object directory.
 223 OBJDIR="objdir"
 224
 225 # The file where the tarred up sources will be placed.
 226 TARFILE="${HOME}/dev/gcc.tgz"
 227
 228 # Options to pass to configure.
 229 CONFIGURE_OPTIONS=
 230 # The `make' program.
 231 MAKE=${MAKE:-make}
 232 # Options to pass to make.
 233 MAKE_BOOTSTRAP_OPTIONS=
 234
 235 # Modes of operation
 236 BOOTSTRAP=0
 237 CHECKOUT=0
 238 CONFIGURE=0
 239 EXPORT=0
 240 INSTALL=0
 241 TEST=0
 242 UPDATE=0
 243
 244 ########################################################################
 245 # Main Program
 246 ########################################################################
 247
 248 # Parse the options.
 249 while getopts "c:d:m:o:p:t:u:" ARG; do
 250     case $ARG in
 251     c)    CONFIGURE_OPTIONS="${OPTARG}";;
 252     d)    DESTINATION="${OPTARG}";;
 253     m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
 254     o)    OBJDIR="${OPTARG}";;
 255     p)    CVS_PROTOCOL="${OPTARG}";;
 256     t)    CVS_TARGFILE="${OPTARG}";;
 257     u)    CVS_USERNAME="${OPTARG}";;
 258     \?)   usage;;
 259     esac
 260 done
 261 shift `expr ${OPTIND} - 1`
 262
 263 # Handle the major modes.
 264 while [ $# -ne 0 ]; do
 265     case $1 in
 266     bootstrap) BOOTSTRAP=1;;
 267     build)    CONFIGURE=1; BOOTSTRAP=1;;
 268     checkout) CHECKOUT=1;;
 269     configure) CONFIGURE=1;;
 270     export)   EXPORT=1;;
 271     install)  INSTALL=1;;
 272     test)     TEST=1;;
 273     update)   UPDATE=1;;
 274     *)        usage;;
 275     esac
 276     shift
 277 done
 278
 279 # Check the arguments for sanity.
 280 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
 281     error "Cannot checkout and update simultaneously"
 282 fi
 283
 284 # Checkout the tree.
 285 if [ ${CHECKOUT} -ne 0 ]; then
 286     checkout_gcc
 287 elif [ ${UPDATE} -ne 0 ]; then
 288     update_gcc
 289 fi
 290
 291 # Configure to build the tree.
 292 if [ ${CONFIGURE} -ne 0 ]; then
 293     configure_gcc
 294 fi
 295
 296 # Bootstrap the compiler.
 297 if [ ${BOOTSTRAP} -ne 0 ]; then
 298     bootstrap_gcc
 299 fi
 300
 301 # Test the compiler
 302 if [ ${TEST} -ne 0 ]; then
 303     test_gcc
 304 fi
 305
 306 # Install the compiler.
 307 if [ ${INSTALL} -ne 0 ]; then
 308     install_gcc
 309 fi
 310
 311 # Export the sources
 312 if [ ${EXPORT} -ne 0 ]; then
 313     export_gcc
 314 fi