* gcc_build: New script.

From-SVN: r35060

contrib/ChangeLog

+Sun Jul 16 12:04:33 2000  Mark P Mitchell  <mark@codesourcery.com>
+
+	* gcc_build: New script.
+
 2000-07-13  Mark Mitchell  <mark@codesourcery.com>
 
 	* gcc_update (files_and_dependencies): Remove generated YACC files.

contrib/gcc_build

+#! /bin/sh
+
+########################################################################
+#
+# File:   build-gcc.sh
+# Author: Mark Mitchell
+# Date:   07/10/2000
+#
+# Contents:
+#   Script to automatically download and build GCC.
+#
+# Copyright (c) 2000 Free Software Foundation.
+#
+# This file is part of GNU CC.
+#
+# GNU CC is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# GNU CC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU CC; see the file COPYING.  If not, write to
+# the Free Software Foundation, 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+########################################################################
+
+########################################################################
+# Notes
+########################################################################
+
+# If you are using password-based CVS, you must manually log in, and
+# not log out from, the CVS server before running this script.
+
+########################################################################
+# Functions
+########################################################################
+
+# Issue the error message given by $1 and exit with a non-zero
+# exit code.
+
+error() {
+    echo "build-gcc.sh: error: $1"
+    exit 1
+}
+
+# Issue a usage message explaining how to use this script.
+
+usage() {
+cat <<EOF
+build-gcc.sh [-c configure_options] 
+		 [-d destination_directory]
+		 [-m make_options]
+		 [-u username]
+		 [-p protocol]
+		 [-t tarfile]
+		 [build]
+		 [checkout]
+		 [export]
+		 [install]
+		 [test]
+		 [update]
+EOF
+    exit 1
+}
+
+# Change to the directory given by $1.
+
+changedir() {
+    cd $1 || \
+	error "Could not change directory to $1"
+}
+
+# Set up CVS environment variables
+
+cvs_setup() {
+    CVSROOT=":${CVS_PROTOCOL}:${CVS_USERNAME}@"
+    CVSROOT="${CVSROOT}${CVS_SERVER}:${CVS_REPOSITORY}"
+    export CVSROOT
+}
+
+# Checkout a fresh copy of the GCC build tree.
+
+checkout_gcc() {
+    # Tell CVS where to find everything.
+    cvs_setup
+
+    # If the destination already exists, don't risk destroying it.
+    test -e ${DESTINATION} && \
+	error "${DESTINATION} already exists"
+
+    # CVS doesn't allow an absolute path for the destination directory.
+    DESTINATION_PARENT=`dirname ${DESTINATION}`
+    test -d ${DESTINATION_PARENT} || \
+	error "${DESTINATION_PARENT} is not a directory"
+    changedir ${DESTINATION_PARENT}
+
+    # Checkout the tree
+    cvs -z 9 co -d `basename ${DESTINATION}` gcc || \
+	error "Could not check out GCC"
+}
+
+# Update GCC.
+
+update_gcc() {
+    # Tell CVS where to find everything
+    cvs_setup
+
+    # If the destination does not already exist, complain.
+    test -d ${DESTINATION} || \
+	error "{$DESTINATION} does not exist"
+    # Enter the destination directory.
+    changedir ${DESTINATION}
+
+    # Update the tree
+    ./contrib/gcc_update || \
+	error "Could not update GCC"
+}
+
+# Build GCC.
+
+build_gcc() {
+    # Go to the source directory.
+    changedir ${DESTINATION}
+
+    # Remove the object directory.
+    rm -rf ${OBJDIR}
+    # Create it again.
+    mkdir ${OBJDIR} || \
+	error "Could not create ${OBJDIR}"
+    # Enter it.
+    changedir ${OBJDIR}
+
+    # Configure the tree.
+    (eval ${DESTINATION}/configure ${CONFIGURE_OPTIONS} | 
+        tee -a ${LOGFILE}) 2>&1 || \
+	error "Could not configure the compiler"
+
+    # Bootstrap the compiler
+    (eval make ${MAKE_OPTIONS} bootstrap |
+	tee -a ${LOGFILE}) 2>&1 || \
+	error "Could not build the compiler"
+}
+
+# Test GCC.
+
+test_gcc() {
+    # Go to the source directory.
+    changedir ${DESTINATION}
+    # Go to the object directory.
+    changedir ${OBJDIR}
+
+    echo "Running tests...  This will take a while."
+    (make -k check | tee -a ${LOGFILE}) 2>&1
+    (${DESTINATION}/contrib/test_summary | tee -a ${LOGFILE})
+}
+
+# Export the GCC source tree.
+
+export_gcc() {
+    # Go to the source directory.
+    changedir ${DESTINATION}
+    # Go up one level.
+    changedir ..
+    # Build a tarbal off the source directory.
+    tar czf ${TARFILE} \
+	--exclude=${OBJDIR} \
+	--exclude=CVS \
+	--exclude='.#*' \
+	--exclude='*~' \
+	`basename ${DESTINATION}`
+}
+
+# Install GCC.
+
+install_gcc() {
+    # Go to the source directory.
+    changedir ${DESTINATION}
+    # Go to the object directory.
+    changedir ${OBJDIR}
+
+    make install > ${LOGFILE} 2>&1 || \
+	error "Installation failed"
+}
+
+########################################################################
+# Initialization
+########################################################################
+
+# The CVS server containing the GCC repository.
+CVS_SERVER="gcc.gnu.org"
+# The path to the repository on that server.
+CVS_REPOSITORY="/cvs/gcc"
+# The CVS protocol to use.
+CVS_PROTOCOL="pserver"
+# The username to use when connecting to the server.
+CVS_USERNAME="anoncvs"
+
+# The directory where the checked out GCC will be placed.
+DESTINATION="${HOME}/dev/gcc"
+# The relative path from the top of the source tree to the 
+# object directory.
+OBJDIR="objdir"
+
+# The file where information will be logged.
+LOGFILE=${HOME}/build-gcc.$$.log
+# The file where the tarred up sources will be placed.
+TARFILE="${HOME}/dev/gcc.tgz"
+
+# Options to pass to configure.
+CONFIGURE_OPTIONS=
+# Options to pass to make.
+MAKE_OPTIONS=
+
+# Modes of operation
+BUILD=0
+CHECKOUT=0
+EXPORT=0
+INSTALL=0
+TEST=0
+UPDATE=0
+
+########################################################################
+# Main Program
+########################################################################
+
+# Parse the options.
+while getopts "c:d:m:t:" ARG; do
+    case $ARG in
+    c)    CONFIGURE_OPTIONS="${OPTARG}";;
+    d)    DESTINATION="${OPTARG}";;
+    m)    MAKE_OPTIONS="${OPTARG}";;
+    u)    CVS_USERNAME="${OPTARG}";;
+    p)    CVS_PROTOCOL="${OPTARG}";;
+    t)    CVS_TARGFILE="${OPTARG}";;
+    \?)   usage;;
+    esac
+done
+shift `expr ${OPTIND} - 1`
+
+# Handle the major modes.
+while [ $# -ne 0 ]; do
+    case $1 in
+    build)    BUILD=1;;
+    checkout) CHECKOUT=1;;
+    export)   EXPORT=1;;
+    install)  INSTALL=1;;
+    test)     TEST=1;;
+    update)   UPDATE=1;;
+    *)        usage;;
+    esac
+    shift
+done
+
+# Check the arguments for sanity.
+if [ ${CHECKOUT} -ne 0 ] && [ ${UPDATE} -ne 0 ]; then
+    error "Cannot checkout and update simultaneously"
+fi
+
+# Remove any old logfiles.
+rm -f ${LOGFILE}
+# Tell the user where to find the logfile.
+echo "build-gcc.sh: The logfile for this run is ${LOGFILE}"
+
+# Checkout the tree.
+if [ ${CHECKOUT} -ne 0 ]; then
+    checkout_gcc
+elif [ ${UPDATE} -ne 0 ]; then
+    update_gcc
+fi
+
+# Build the compiler.
+if [ ${BUILD} -ne 0 ]; then
+    build_gcc
+fi
+
+# Test the compiler
+if [ ${TEST} -ne 0 ]; then
+    test_gcc
+fi
+
+# Install the compiler.
+if [ ${INSTALL} -ne 0 ]; then
+    install_gcc
+fi
+
+# Export the sources
+if [ ${EXPORT} -ne 0 ]; then
+    export_gcc
+fi