gcc/
[official-gcc.git] / contrib / gcc_build
blobb36685eeea3f08a5db3ab1d089b01c51ec9ec042
1 #! /bin/sh
3 ########################################################################
5 # File: gcc_build
6 # Author: Mark Mitchell
7 # Date: 07/10/2000
9 # Contents:
10 # Script to automatically download and build GCC.
12 # Copyright (c) 2000, 2001, 2003 Free Software Foundation.
14 # This file is part of GCC.
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.
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.
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.
31 ########################################################################
33 ########################################################################
34 # Notes
35 ########################################################################
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.
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:
44 # MAKE The path to `make'.
46 ########################################################################
47 # Functions
48 ########################################################################
50 # Issue the error message given by $1 and exit with a non-zero
51 # exit code.
53 error() {
54 echo "gcc_build: error: $1"
55 exit 1
58 # Issue a usage message explaining how to use this script.
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
82 # Change to the directory given by $1.
84 changedir() {
85 cd $1 || \
86 error "Could not change directory to $1"
89 # Set up CVS environment variables
91 cvs_setup() {
92 CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
93 CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
94 export CVSROOT
97 # Checkout a fresh copy of the GCC build tree.
99 checkout_gcc() {
100 # Tell CVS where to find everything.
101 cvs_setup
103 # If the destination already exists, don't risk destroying it.
104 test -e ${DESTINATION} && \
105 error "${DESTINATION} already exists"
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}
113 # Checkout the tree
114 $GCC_CVS -z 9 co -d `basename ${DESTINATION}` gcc || \
115 error "Could not check out GCC"
118 # Update GCC.
120 update_gcc() {
121 # Tell CVS where to find everything
122 cvs_setup
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}
130 # Update the tree
131 ./contrib/gcc_update -d || \
132 error "Could not update GCC"
135 # Configure for a build of GCC.
137 configure_gcc() {
138 # Go to the source directory.
139 changedir ${DESTINATION}
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}
149 # Configure the tree.
150 echo "Configuring: ${DESTINATION}/configure ${CONFIGURE_OPTIONS}"
151 eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} || \
152 error "Could not configure the compiler"
155 # Bootstrap GCC. Assume configuration has already occurred.
157 bootstrap_gcc() {
158 # Go to the source directory.
159 changedir ${DESTINATION}
160 # Go to the object directory.
161 changedir ${OBJDIR}
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"
169 # Test GCC.
171 test_gcc() {
172 # Go to the source directory.
173 changedir ${DESTINATION}
174 # Go to the object directory.
175 changedir ${OBJDIR}
177 echo "Running tests... This will take a while."
178 eval \${MAKE} -k ${MAKE_CHECK_OPTIONS} check
179 ${DESTINATION}/contrib/test_summary
182 # Export the GCC source tree.
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}`
198 # Install GCC.
200 install_gcc() {
201 # Go to the source directory.
202 changedir ${DESTINATION}
203 # Go to the object directory.
204 changedir ${OBJDIR}
206 ${MAKE} install || error "Installation failed"
209 ########################################################################
210 # Initialization
211 ########################################################################
213 # CVS command
214 GCC_CVS=${GCC_CVS-${CVS-cvs}}
215 # The CVS server containing the GCC repository.
216 CVS_SERVER="gcc.gnu.org"
217 # The path to the repository on that server.
218 CVS_REPOSITORY="/cvs/gcc"
219 # The CVS protocol to use.
220 CVS_PROTOCOL="pserver"
221 # The username to use when connecting to the server.
222 CVS_USERNAME="anoncvs"
224 # The directory where the checked out GCC will be placed.
225 DESTINATION="${HOME}/dev/gcc"
226 # The relative path from the top of the source tree to the
227 # object directory.
228 OBJDIR="objdir"
230 # The file where the tarred up sources will be placed.
231 TARFILE="${HOME}/dev/gcc.tgz"
233 # Options to pass to configure.
234 CONFIGURE_OPTIONS=
235 # The `make' program.
236 MAKE=${MAKE:-make}
237 # Options to pass to "make bootstrap".
238 MAKE_BOOTSTRAP_OPTIONS=
239 # Options to pass to "make check".
240 MAKE_CHECK_OPTIONS=
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
251 ########################################################################
252 # Main Program
253 ########################################################################
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`
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
287 # Check the arguments for sanity.
288 if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
289 error "Cannot checkout and update simultaneously"
292 # Checkout the tree.
293 if [ ${CHECKOUT} -ne 0 ]; then
294 checkout_gcc
295 elif [ ${UPDATE} -ne 0 ]; then
296 update_gcc
299 # Configure to build the tree.
300 if [ ${CONFIGURE} -ne 0 ]; then
301 configure_gcc
304 # Bootstrap the compiler.
305 if [ ${BOOTSTRAP} -ne 0 ]; then
306 bootstrap_gcc
309 # Test the compiler
310 if [ ${TEST} -ne 0 ]; then
311 test_gcc
314 # Install the compiler.
315 if [ ${INSTALL} -ne 0 ]; then
316 install_gcc
319 # Export the sources
320 if [ ${EXPORT} -ne 0 ]; then
321 export_gcc