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                  [-x make_check_options]
  70                  [bootstrap]
  71                  [build]
  72                  [checkout]
  73                  [configure]
  74                  [export]
  75                  [install]
  76                  [test]
  77                  [update]
  78 EOF
  79     exit 1
  80 }
  81
  82 # Change to the directory given by $1.
  83
  84 changedir() {
  85     cd $1 || \
  86         error "Could not change directory to $1"
  87 }
  88
  89 # Set up CVS environment variables
  90
  91 cvs_setup() {
  92     CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
  93     CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
  94     export CVSROOT
  95 }
  96
  97 # Checkout a fresh copy of the GCC build tree.
  98
  99 checkout_gcc() {
 100     # Tell CVS where to find everything.
 101     cvs_setup
 102
 103     # If the destination already exists, don't risk destroying it.
 104     test -e ${DESTINATION} && \
 105         error "${DESTINATION} already exists"
 106
 107     # CVS doesn't allow an absolute path for the destination directory.
 108     DESTINATION_PARENT=`dirname ${DESTINATION}`
 109     test -d ${DESTINATION_PARENT} || \
 110         error "${DESTINATION_PARENT} is not a directory"
 111     changedir ${DESTINATION_PARENT}
 112
 113     # Checkout the tree
 114     $GCC_CVS -z 9 co -d `basename ${DESTINATION}` gcc || \
 115         error "Could not check out GCC"
 116 }
 117
 118 # Update GCC.
 119
 120 update_gcc() {
 121     # Tell CVS where to find everything
 122     cvs_setup
 123
 124     # If the destination does not already exist, complain.
 125     test -d ${DESTINATION} || \
 126         error "{$DESTINATION} does not exist"
 127     # Enter the destination directory.
 128     changedir ${DESTINATION}
 129
 130     # Update the tree
 131     ./contrib/gcc_update -d || \
 132         error "Could not update GCC"
 133 }
 134
 135 # Configure for a build of GCC.
 136
 137 configure_gcc() {
 138     # Go to the source directory.
 139     changedir ${DESTINATION}
 140
 141     # Remove the object directory.
 142     rm -rf ${OBJDIR}
 143     # Create it again.
 144     mkdir ${OBJDIR} || \
 145         error "Could not create ${OBJDIR}"
 146     # Enter it.
 147     changedir ${OBJDIR}
 148
 149     # Configure the tree.
 150     echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
 151     eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
 152         error "Could not configure the compiler"
 153 }
 154
 155 # Bootstrap GCC.  Assume configuration has already occurred.
 156
 157 bootstrap_gcc() {
 158     # Go to the source directory.
 159     changedir ${DESTINATION}
 160     # Go to the object directory.
 161     changedir ${OBJDIR}
 162
 163     # Bootstrap the compiler
 164     echo "Building: ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap"
 165     eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap || \
 166         error "Could not bootstrap the compiler"
 167 }
 168
 169 # Test GCC.
 170
 171 test_gcc() {
 172     # Go to the source directory.
 173     changedir ${DESTINATION}
 174     # Go to the object directory.
 175     changedir ${OBJDIR}
 176
 177     echo "Running tests...  This will take a while."
 178     eval \${MAKE} -k ${MAKE_CHECK_OPTIONS} check
 179     ${DESTINATION}/contrib/test_summary
 180 }
 181
 182 # Export the GCC source tree.
 183
 184 export_gcc() {
 185     # Go to the source directory.
 186     changedir ${DESTINATION}
 187     # Go up one level.
 188     changedir ..
 189     # Build a tarball of the source directory.
 190     tar czf ${TARFILE} \
 191         --exclude=${OBJDIR} \
 192         --exclude=CVS \
 193         --exclude='.#*' \
 194         --exclude='*~' \
 195         `basename ${DESTINATION}`
 196 }
 197
 198 # Install GCC.
 199
 200 install_gcc() {
 201     # Go to the source directory.
 202     changedir ${DESTINATION}
 203     # Go to the object directory.
 204     changedir ${OBJDIR}
 205
 206     ${MAKE} install || error "Installation failed"
 207 }
 208
 209 ########################################################################
 210 # Initialization
 211 ########################################################################
 212
 213 # CVS command
 214 GCC_CVS=${GCC_CVS-${CVS-cvs}}
 215 # The CVS server containing the GCC repository.
 216 CVS_SERVER="gcc.gnu.org"
 217 # The path to the repository on that server.
 218 CVS_REPOSITORY="/cvs/gcc"
 219 # The CVS protocol to use.
 220 CVS_PROTOCOL="pserver"
 221 # The username to use when connecting to the server.
 222 CVS_USERNAME="anoncvs"
 223
 224 # The directory where the checked out GCC will be placed.
 225 DESTINATION="${HOME}/dev/gcc"
 226 # The relative path from the top of the source tree to the
 227 # object directory.
 228 OBJDIR="objdir"
 229
 230 # The file where the tarred up sources will be placed.
 231 TARFILE="${HOME}/dev/gcc.tgz"
 232
 233 # Options to pass to configure.
 234 CONFIGURE_OPTIONS=
 235 # The `make' program.
 236 MAKE=${MAKE:-make}
 237 # Options to pass to "make bootstrap".
 238 MAKE_BOOTSTRAP_OPTIONS=
 239 # Options to pass to "make check".
 240 MAKE_CHECK_OPTIONS=
 241
 242 # Modes of operation
 243 BOOTSTRAP=0
 244 CHECKOUT=0
 245 CONFIGURE=0
 246 EXPORT=0
 247 INSTALL=0
 248 TEST=0
 249 UPDATE=0
 250
 251 ########################################################################
 252 # Main Program
 253 ########################################################################
 254
 255 # Parse the options.
 256 while getopts "c:d:m:o:p:t:u:x:" ARG; do
 257     case $ARG in
 258     c)    CONFIGURE_OPTIONS="${OPTARG}";;
 259     d)    DESTINATION="${OPTARG}";;
 260     m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
 261     o)    OBJDIR="${OPTARG}";;
 262     p)    CVS_PROTOCOL="${OPTARG}";;
 263     t)    TARFILE="${OPTARG}";;
 264     x)    MAKE_CHECK_OPTIONS="${OPTARG}";;
 265     u)    CVS_USERNAME="${OPTARG}";;
 266     \?)   usage;;
 267     esac
 268 done
 269 shift `expr ${OPTIND} - 1`
 270
 271 # Handle the major modes.
 272 while [ $# -ne 0 ]; do
 273     case $1 in
 274     bootstrap) BOOTSTRAP=1;;
 275     build)    CONFIGURE=1; BOOTSTRAP=1;;
 276     checkout) CHECKOUT=1;;
 277     configure) CONFIGURE=1;;
 278     export)   EXPORT=1;;
 279     install)  INSTALL=1;;
 280     test)     TEST=1;;
 281     update)   UPDATE=1;;
 282     *)        usage;;
 283     esac
 284     shift
 285 done
 286
 287 # Check the arguments for sanity.
 288 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
 289     error "Cannot checkout and update simultaneously"
 290 fi
 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