contrib/gcc_build

   1 #! /bin/sh
   2
   3 ########################################################################
   4 #
   5 # File:   gcc_build
   6 # Author: Mark Mitchell
   7 # Date:   2000-07-10
   8 #
   9 # Adapted to Subversion by Ben Elliston <bje@au.ibm.com>, 2005-07-14.
  10 #
  11 # Contents:
  12 #   Script to automatically download and build GCC.
  13 #
  14 # Copyright (C) 2000-2023 Free Software Foundation, Inc.
  15 #
  16 # This file is part of GCC.
  17 #
  18 # GCC is free software; you can redistribute it and/or modify
  19 # it under the terms of the GNU General Public License as published by
  20 # the Free Software Foundation; either version 3, or (at your option)
  21 # any later version.
  22 #
  23 # GCC is distributed in the hope that it will be useful,
  24 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  25 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26 # GNU General Public License for more details.
  27 #
  28 # You should have received a copy of the GNU General Public License
  29 # along with GCC; see the file COPYING.  If not, write to
  30 # the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  31 # Boston, MA 02110-1301, USA.
  32 #
  33 ########################################################################
  34
  35 ########################################################################
  36 # Notes
  37 ########################################################################
  38
  39 # You can set the following variables in the environment.  They
  40 # have no corresponding command-line options because they should
  41 # only be needed infrequently:
  42 #
  43 #   MAKE                        The path to `make'.
  44
  45 ########################################################################
  46 # Functions
  47 ########################################################################
  48
  49 # Issue the error message given by $1 and exit with a non-zero
  50 # exit code.
  51
  52 error() {
  53     echo "gcc_build: error: $1"
  54     exit 1
  55 }
  56
  57 # Issue a usage message explaining how to use this script.
  58
  59 usage() {
  60 cat <<EOF
  61 gcc_build        [-c configure_options]
  62                  [-d destination_directory]
  63                  [-m make_boot_options]
  64                  [-o objdir]
  65                  [-b branch_name]
  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 # Checkout a fresh copy of the GCC build tree.
  90
  91 checkout_gcc() {
  92     # If the destination already exists, don't risk destroying it.
  93     test -e ${DESTINATION} && \
  94         error "${DESTINATION} already exists"
  95
  96     # Checkout the tree
  97     test -n "${SVN_USERNAME}" && SVN_USERNAME="${SVN_USERNAME}@"
  98     SVNROOT="${SVN_PROTOCOL}://${SVN_USERNAME}${SVN_SERVER}${SVN_REPOSITORY}${SVN_BRANCH}"
  99
 100     $GCC_SVN co $SVNROOT ${DESTINATION} || \
 101         error "Could not check out GCC"
 102 }
 103
 104 # Update GCC.
 105
 106 update_gcc() {
 107     # If the destination does not already exist, complain.
 108     test -d ${DESTINATION} || \
 109         error "${DESTINATION} does not exist"
 110
 111     # Enter the destination directory.
 112     changedir ${DESTINATION}
 113
 114     # Update the tree
 115     ./contrib/gcc_update || \
 116         error "Could not update GCC"
 117 }
 118
 119 # Configure for a build of GCC.
 120
 121 configure_gcc() {
 122     # Go to the source directory.
 123     changedir ${DESTINATION}
 124
 125     # Remove the object directory.
 126     rm -rf ${OBJDIR}
 127     # Create it again.
 128     mkdir ${OBJDIR} || \
 129         error "Could not create ${OBJDIR}"
 130     # Enter it.
 131     changedir ${OBJDIR}
 132
 133     # Configure the tree.
 134     echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
 135     eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
 136         error "Could not configure the compiler"
 137 }
 138
 139 # Bootstrap GCC.  Assume configuration has already occurred.
 140
 141 bootstrap_gcc() {
 142     # Go to the source directory.
 143     changedir ${DESTINATION}
 144     # Go to the object directory.
 145     changedir ${OBJDIR}
 146
 147     # Bootstrap the compiler
 148     echo "Building: ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap"
 149     eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap || \
 150         error "Could not bootstrap the compiler"
 151 }
 152
 153 # Test GCC.
 154
 155 test_gcc() {
 156     # Go to the source directory.
 157     changedir ${DESTINATION}
 158     # Go to the object directory.
 159     changedir ${OBJDIR}
 160
 161     echo "Running tests...  This will take a while."
 162     eval \${MAKE} -k ${MAKE_CHECK_OPTIONS} check
 163     ${DESTINATION}/contrib/test_summary
 164 }
 165
 166 # Export the GCC source tree.
 167
 168 export_gcc() {
 169     # Go to the source directory.
 170     changedir ${DESTINATION}
 171     # Go up one level.
 172     changedir ..
 173     # Build a tarball of the source directory.
 174     tar czf ${TARFILE} \
 175         --exclude=${OBJDIR} \
 176         --exclude=.svn \
 177         --exclude='.#*' \
 178         --exclude='*~' \
 179         `basename ${DESTINATION}`
 180 }
 181
 182 # Install GCC.
 183
 184 install_gcc() {
 185     # Go to the source directory.
 186     changedir ${DESTINATION}
 187     # Go to the object directory.
 188     changedir ${OBJDIR}
 189
 190     ${MAKE} install || error "Installation failed"
 191 }
 192
 193 ########################################################################
 194 # Initialization
 195 ########################################################################
 196
 197 # SVN command
 198 GCC_SVN=${GCC_SVN-${SVN-svn}}
 199 # The SVN server containing the GCC repository.
 200 SVN_SERVER="gcc.gnu.org"
 201 # The path to the repository on that server.
 202 SVN_REPOSITORY="/svn/gcc/"
 203 # The branch to check out from that server.
 204 # Defaults to trunk if no branch is defined with -b.
 205 SVN_BRANCH=""
 206 # The SVN protocol to use.
 207 SVN_PROTOCOL="svn"
 208 # The username to use when connecting to the server.
 209 # An empty string means anonymous.
 210 SVN_USERNAME=""
 211
 212 # The directory where the checked out GCC will be placed.
 213 DESTINATION="${HOME}/dev/gcc"
 214 # The relative path from the top of the source tree to the
 215 # object directory.
 216 OBJDIR="objdir"
 217
 218 # The file where the tarred up sources will be placed.
 219 TARFILE="${HOME}/dev/gcc.tgz"
 220
 221 # Options to pass to configure.
 222 CONFIGURE_OPTIONS=
 223 # The `make' program.
 224 MAKE=${MAKE:-make}
 225 # Options to pass to "make bootstrap".
 226 MAKE_BOOTSTRAP_OPTIONS=
 227 # Options to pass to "make check".
 228 MAKE_CHECK_OPTIONS=
 229
 230 # Modes of operation
 231 BOOTSTRAP=0
 232 CHECKOUT=0
 233 CONFIGURE=0
 234 EXPORT=0
 235 INSTALL=0
 236 TEST=0
 237 UPDATE=0
 238
 239 ########################################################################
 240 # Main Program
 241 ########################################################################
 242
 243 # Issue usage if no parameters are given.
 244 test $# -eq 0 && usage
 245
 246 # Parse the options.
 247 while getopts "c:d:m:o:p:t:b:u:x:" ARG; do
 248     case $ARG in
 249     c)    CONFIGURE_OPTIONS="${OPTARG}";;
 250     d)    DESTINATION="${OPTARG}";;
 251     m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
 252     o)    OBJDIR="${OPTARG}";;
 253     p)    SVN_PROTOCOL="${OPTARG}";;
 254     t)    TARFILE="${OPTARG}";;
 255     x)    MAKE_CHECK_OPTIONS="${OPTARG}";;
 256     b)    SVN_BRANCH="${OPTARG}";;
 257     u)    SVN_USERNAME="${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 if [ ${CHECKOUT} -eq 0 ] && test -n "${SVN_BRANCH}"; then
 285     error "Branch argument only makes sense when doing a checkout"
 286 fi
 287
 288 # Validate the branch name.
 289 if test -n "${SVN_BRANCH}"; then
 290     SVN_BRANCH="branches/${SVN_BRANCH}";
 291 else
 292     SVN_BRANCH="trunk";
 293 fi
 294
 295 # Checkout the tree.
 296 if [ ${CHECKOUT} -ne 0 ]; then
 297     checkout_gcc
 298 elif [ ${UPDATE} -ne 0 ]; then
 299     update_gcc
 300 fi
 301
 302 # Configure to build the tree.
 303 if [ ${CONFIGURE} -ne 0 ]; then
 304     configure_gcc
 305 fi
 306
 307 # Bootstrap the compiler.
 308 if [ ${BOOTSTRAP} -ne 0 ]; then
 309     bootstrap_gcc
 310 fi
 311
 312 # Test the compiler
 313 if [ ${TEST} -ne 0 ]; then
 314     test_gcc
 315 fi
 316
 317 # Install the compiler.
 318 if [ ${INSTALL} -ne 0 ]; then
 319     install_gcc
 320 fi
 321
 322 # Export the sources
 323 if [ ${EXPORT} -ne 0 ]; then
 324     export_gcc
 325 fi