xref: /openbsd/gnu/usr.bin/gcc/contrib/gcc_build (revision 7e568061)
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 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
53error() {
54    echo "gcc_build: error: $1"
55    exit 1
56}
57
58# Issue a usage message explaining how to use this script.
59
60usage() {
61cat <<EOF
62gcc_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]
78EOF
79    exit 1
80}
81
82# Change to the directory given by $1.
83
84changedir() {
85    cd $1 || \
86	error "Could not change directory to $1"
87}
88
89# Set up CVS environment variables
90
91cvs_setup() {
92    CVSROOT=":${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
99checkout_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    cvs -z 9 co -d `basename ${DESTINATION}` gcc || \
115	error "Could not check out GCC"
116}
117
118# Update GCC.
119
120update_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
137configure_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
157bootstrap_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
171test_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
184export_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
200install_gcc() {
201    # Go to the source directory.
202    changedir ${DESTINATION}
203    # Go to the object directory.
204    changedir ${OBJDIR}
205
206    ${MAKE} install || error "Installation failed"
207}
208
209########################################################################
210# Initialization
211########################################################################
212
213# The CVS server containing the GCC repository.
214CVS_SERVER="gcc.gnu.org"
215# The path to the repository on that server.
216CVS_REPOSITORY="/cvs/gcc"
217# The CVS protocol to use.
218CVS_PROTOCOL="pserver"
219# The username to use when connecting to the server.
220CVS_USERNAME="anoncvs"
221
222# The directory where the checked out GCC will be placed.
223DESTINATION="${HOME}/dev/gcc"
224# The relative path from the top of the source tree to the
225# object directory.
226OBJDIR="objdir"
227
228# The file where the tarred up sources will be placed.
229TARFILE="${HOME}/dev/gcc.tgz"
230
231# Options to pass to configure.
232CONFIGURE_OPTIONS=
233# The `make' program.
234MAKE=${MAKE:-make}
235# Options to pass to "make bootstrap".
236MAKE_BOOTSTRAP_OPTIONS=
237# Options to pass to "make check".
238MAKE_CHECK_OPTIONS=
239
240# Modes of operation
241BOOTSTRAP=0
242CHECKOUT=0
243CONFIGURE=0
244EXPORT=0
245INSTALL=0
246TEST=0
247UPDATE=0
248
249########################################################################
250# Main Program
251########################################################################
252
253# Parse the options.
254while getopts "c:d:m:o:p:t:u:x:" ARG; do
255    case $ARG in
256    c)    CONFIGURE_OPTIONS="${OPTARG}";;
257    d)    DESTINATION="${OPTARG}";;
258    m)    MAKE_BOOTSTRAP_OPTIONS="${OPTARG}";;
259    o)    OBJDIR="${OPTARG}";;
260    p)    CVS_PROTOCOL="${OPTARG}";;
261    t)    TARFILE="${OPTARG}";;
262    x)    MAKE_CHECK_OPTIONS="${OPTARG}";;
263    u)    CVS_USERNAME="${OPTARG}";;
264    \?)   usage;;
265    esac
266done
267shift `expr ${OPTIND} - 1`
268
269# Handle the major modes.
270while [ $# -ne 0 ]; do
271    case $1 in
272    bootstrap) BOOTSTRAP=1;;
273    build)    CONFIGURE=1; BOOTSTRAP=1;;
274    checkout) CHECKOUT=1;;
275    configure) CONFIGURE=1;;
276    export)   EXPORT=1;;
277    install)  INSTALL=1;;
278    test)     TEST=1;;
279    update)   UPDATE=1;;
280    *)        usage;;
281    esac
282    shift
283done
284
285# Check the arguments for sanity.
286if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
287    error "Cannot checkout and update simultaneously"
288fi
289
290# Checkout the tree.
291if [ ${CHECKOUT} -ne 0 ]; then
292    checkout_gcc
293elif [ ${UPDATE} -ne 0 ]; then
294    update_gcc
295fi
296
297# Configure to build the tree.
298if [ ${CONFIGURE} -ne 0 ]; then
299    configure_gcc
300fi
301
302# Bootstrap the compiler.
303if [ ${BOOTSTRAP} -ne 0 ]; then
304    bootstrap_gcc
305fi
306
307# Test the compiler
308if [ ${TEST} -ne 0 ]; then
309    test_gcc
310fi
311
312# Install the compiler.
313if [ ${INSTALL} -ne 0 ]; then
314    install_gcc
315fi
316
317# Export the sources
318if [ ${EXPORT} -ne 0 ]; then
319    export_gcc
320fi
321