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, 2001, 2003, 2005 Free Software Foundation.
  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 2, 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                  [-u username]
  66                  [-p protocol]
  67                  [-t tarfile]
  68                  [-x make_check_options]
  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 # Checkout a fresh copy of the GCC build tree.
  89
  90 checkout_gcc() {
  91     # If the destination already exists, don't risk destroying it.
  92     test -e ${DESTINATION} && \
  93         error "${DESTINATION} already exists"
  94
  95     # Checkout the tree
  96     test -n "${SVN_USERNAME}" && SVN_USERNAME="${SVN_USERNAME}@"
  97     SVNROOT="${SVN_PROTOCOL}://${SVN_USERNAME}${SVN_SERVER}${SVN_REPOSITORY}"
  98
  99     $GCC_SVN co $SVNROOT ${DESTINATION} || \
 100         error "Could not check out GCC"
 101 }
 102
 103 # Update GCC.
 104
 105 update_gcc() {
 106     # If the destination does not already exist, complain.
 107     test -d ${DESTINATION} || \
 108         error "${DESTINATION} does not exist"
 109
 110     # Enter the destination directory.
 111     changedir ${DESTINATION}
 112
 113     # Update the tree
 114     ./contrib/gcc_update || \
 115         error "Could not update GCC"
 116 }
 117
 118 # Configure for a build of GCC.
 119
 120 configure_gcc() {
 121     # Go to the source directory.
 122     changedir ${DESTINATION}
 123
 124     # Remove the object directory.
 125     rm -rf ${OBJDIR}
 126     # Create it again.
 127     mkdir ${OBJDIR} || \
 128         error "Could not create ${OBJDIR}"
 129     # Enter it.
 130     changedir ${OBJDIR}
 131
 132     # Configure the tree.
 133     echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
 134     eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
 135         error "Could not configure the compiler"
 136 }
 137
 138 # Bootstrap GCC.  Assume configuration has already occurred.
 139
 140 bootstrap_gcc() {
 141     # Go to the source directory.
 142     changedir ${DESTINATION}
 143     # Go to the object directory.
 144     changedir ${OBJDIR}
 145
 146     # Bootstrap the compiler
 147     echo "Building: ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap"
 148     eval ${MAKE} ${MAKE_BOOTSTRAP_OPTIONS} bootstrap || \
 149         error "Could not bootstrap the compiler"
 150 }
 151
 152 # Test GCC.
 153
 154 test_gcc() {
 155     # Go to the source directory.
 156     changedir ${DESTINATION}
 157     # Go to the object directory.
 158     changedir ${OBJDIR}
 159
 160     echo "Running tests...  This will take a while."
 161     eval \${MAKE} -k ${MAKE_CHECK_OPTIONS} check
 162     ${DESTINATION}/contrib/test_summary
 163 }
 164
 165 # Export the GCC source tree.
 166
 167 export_gcc() {
 168     # Go to the source directory.
 169     changedir ${DESTINATION}
 170     # Go up one level.
 171     changedir ..
 172     # Build a tarball of the source directory.
 173     tar czf ${TARFILE} \
 174         --exclude=${OBJDIR} \
 175         --exclude=.svn \
 176         --exclude='.#*' \
 177         --exclude='*~' \
 178         `basename ${DESTINATION}`
 179 }
 180
 181 # Install GCC.
 182
 183 install_gcc() {
 184     # Go to the source directory.
 185     changedir ${DESTINATION}
 186     # Go to the object directory.
 187     changedir ${OBJDIR}
 188
 189     ${MAKE} install || error "Installation failed"
 190 }
 191
 192 ########################################################################
 193 # Initialization
 194 ########################################################################
 195
 196 # SVN command
 197 GCC_SVN=${GCC_SVN-${SVN-svn}}
 198 # The SVN server containing the GCC repository.
 199 SVN_SERVER="dberlin.org"
 200 # The path to the repository on that server.
 201 SVN_REPOSITORY="/trunk"
 202 # The SVN protocol to use.
 203 SVN_PROTOCOL="svn"
 204 # The username to use when connecting to the server.
 205 # An empty string means anonymous.
 206 SVN_USERNAME=""
 207
 208 # The directory where the checked out GCC will be placed.
 209 DESTINATION="${HOME}/dev/gcc"
 210 # The relative path from the top of the source tree to the
 211 # object directory.
 212 OBJDIR="objdir"
 213
 214 # The file where the tarred up sources will be placed.
 215 TARFILE="${HOME}/dev/gcc.tgz"
 216
 217 # Options to pass to configure.
 218 CONFIGURE_OPTIONS=
 219 # The `make' program.
 220 MAKE=${MAKE:-make}
 221 # Options to pass to "make bootstrap".
 222 MAKE_BOOTSTRAP_OPTIONS=
 223 # Options to pass to "make check".
 224 MAKE_CHECK_OPTIONS=
 225
 226 # Modes of operation
 227 BOOTSTRAP=0
 228 CHECKOUT=0
 229 CONFIGURE=0
 230 EXPORT=0
 231 INSTALL=0
 232 TEST=0
 233 UPDATE=0
 234
 235 ########################################################################
 236 # Main Program
 237 ########################################################################
 238
 239 # Issue usage if no parameters are given.
 240 test $# -eq 0 && usage
 241
 242 # Parse the options.
 243 while getopts "c:d:m:o:p:t:u:x:" ARG; do
 244     case $ARG in
 245     c)    CONFIGURE_OPTIONS="${OPTARG}";;
 246     d)    DESTINATION="${OPTARG}";;
 247     m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
 248     o)    OBJDIR="${OPTARG}";;
 249     p)    SVN_PROTOCOL="${OPTARG}";;
 250     t)    TARFILE="${OPTARG}";;
 251     x)    MAKE_CHECK_OPTIONS="${OPTARG}";;
 252     u)    SVN_USERNAME="${OPTARG}";;
 253     \?)   usage;;
 254     esac
 255 done
 256 shift `expr ${OPTIND} - 1`
 257
 258 # Handle the major modes.
 259 while [ $# -ne 0 ]; do
 260     case $1 in
 261     bootstrap) BOOTSTRAP=1;;
 262     build)    CONFIGURE=1; BOOTSTRAP=1;;
 263     checkout) CHECKOUT=1;;
 264     configure) CONFIGURE=1;;
 265     export)   EXPORT=1;;
 266     install)  INSTALL=1;;
 267     test)     TEST=1;;
 268     update)   UPDATE=1;;
 269     *)        usage;;
 270     esac
 271     shift
 272 done
 273
 274 # Check the arguments for sanity.
 275 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
 276     error "Cannot checkout and update simultaneously"
 277 fi
 278
 279 # Checkout the tree.
 280 if [ ${CHECKOUT} -ne 0 ]; then
 281     checkout_gcc
 282 elif [ ${UPDATE} -ne 0 ]; then
 283     update_gcc
 284 fi
 285
 286 # Configure to build the tree.
 287 if [ ${CONFIGURE} -ne 0 ]; then
 288     configure_gcc
 289 fi
 290
 291 # Bootstrap the compiler.
 292 if [ ${BOOTSTRAP} -ne 0 ]; then
 293     bootstrap_gcc
 294 fi
 295
 296 # Test the compiler
 297 if [ ${TEST} -ne 0 ]; then
 298     test_gcc
 299 fi
 300
 301 # Install the compiler.
 302 if [ ${INSTALL} -ne 0 ]; then
 303     install_gcc
 304 fi
 305
 306 # Export the sources
 307 if [ ${EXPORT} -ne 0 ]; then
 308     export_gcc
 309 fi