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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [gdb_mbuild.sh] - Blame information for rev 157

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1 24 jeremybenn
#!/bin/sh
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#  Multi-build script for testing compilation of all maintained
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#  configs of GDB.
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#  Copyright (C) 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
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#  Contributed by Richard Earnshaw  (rearnsha@arm.com)
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#  This program is free software; you can redistribute it and/or modify
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#  it under the terms of the GNU General Public License as published by
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#  the Free Software Foundation; either version 3 of the License, or
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#  (at your option) any later version.
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#
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#  This program is distributed in the hope that it will be useful,
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#  but WITHOUT ANY WARRANTY; without even the implied warranty of
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#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#  GNU General Public License for more details.
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#
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#  You should have received a copy of the GNU General Public License
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#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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# Make certain that the script is not running in an internationalized
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# environment.
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LANG=c ; export LANG
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LC_ALL=c ; export LC_ALL
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usage()
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{
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    cat <<EOF
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Usage: gdb_mbuild.sh [ <options> ... ] <srcdir> <builddir>
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 Options:
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   -j <makejobs>  Run <makejobs> in parallel.  Passed to make.
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                  On a single cpu machine, 2 is recommended.
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   -k             Keep going.  Do not stop after the first build fails.
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   --keep         Keep builds.  Do not remove each build when finished.
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   -e <regexp>    Regular expression for selecting the targets to build.
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   -f             Force rebuild.  Even rebuild previously built directories.
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   -v             Be more (and more, and more) verbose.
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 Arguments:
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   <srcdir>       Source code directory.
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   <builddir>     Build directory.
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 Environment variables examined (with default if not defined):
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   MAKE (make)"
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EOF
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    exit 1;
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cat <<NOTYET
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  -b <maxbuilds> Run <maxbuild> builds in parallel.
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                 On a single cpu machine, 1 is recommended.
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NOTYET
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}
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### COMMAND LINE OPTIONS
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makejobs=
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maxbuilds=1
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keepgoing=
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force=false
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targexp=""
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verbose=0
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keep=false
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while test $# -gt 0
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do
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    case "$1" in
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    -j )
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        # Number of parallel make jobs.
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        shift
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        test $# -ge 1 || usage
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        makejobs="-j $1"
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        ;;
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    -b | -c )
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        # Number of builds to fire off in parallel.
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        shift
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        test $# -ge 1 || usage
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        maxbuilds=$1
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        ;;
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    -k )
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        # Should we soldier on after the first build fails?
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        keepgoing=-k
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        ;;
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    --keep )
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        keep=true
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        ;;
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    -e )
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        # A regular expression for selecting targets
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        shift
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        test $# -ge 1 || usage
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        targexp="${targexp} -e ${1}"
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        ;;
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    -f )
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        # Force a rebuild
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        force=true ;
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        ;;
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    -v )
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        # Be more, and more, and more, verbose
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        verbose=`expr ${verbose} + 1`
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        ;;
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    -* ) usage ;;
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    *) break ;;
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    esac
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    shift
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done
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### COMMAND LINE PARAMETERS
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if test $# -ne 2
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then
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    usage
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fi
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# Convert these to absolute directory paths.
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# Where the sources live
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srcdir=`cd $1 && /bin/pwd` || exit 1
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# Where the builds occur
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builddir=`cd $2 && /bin/pwd` || exit 1
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### ENVIRONMENT PARAMETERS
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# Version of make to use
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make=${MAKE:-make}
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MAKE=${make}
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export MAKE
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# Where to look for the list of targets to test
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maintainers=${srcdir}/gdb/MAINTAINERS
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if [ ! -r ${maintainers} ]
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then
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    echo Maintainers file ${maintainers} not found
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    exit 1
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fi
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# Get the list of targets and the build options
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alltarg=`cat ${maintainers} | tr -s '[\t]' '[ ]' | sed -n '
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/^[ ]*[-a-z0-9\.]*[ ]*[(]*--target=.*/ !d
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s/^.*--target=//
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s/).*$//
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h
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:loop
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  g
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  /^[^ ]*,/ !b end
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  s/,[^ ]*//
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  p
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  g
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  s/^[^,]*,//
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  h
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b loop
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:end
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p
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' | if test "${targexp}" = ""
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then
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    grep -v -e broken -e OBSOLETE
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else
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    grep ${targexp}
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fi`
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# Usage: fail <message> <test-that-should-succeed>.  Should the build
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# fail?  If the test is true, and we don't want to keep going, print
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# the message and shoot everything in sight and abort the build.
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fail ()
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{
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    msg="$1" ; shift
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    if test "$@"
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    then
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        echo "${target}: ${msg}"
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        if test "${keepgoing}" != ""
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        then
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            #exit 1
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            continue
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        else
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            kill $$
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            exit 1
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        fi
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    fi
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}
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# Usage: log <level> <logfile>.  Write standard input to <logfile> and
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# stdout (if verbose >= level).
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log ()
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{
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    if test ${verbose} -ge $1
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    then
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        tee $2
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    else
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        cat > $2
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    fi
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}
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# Warn the user of what is comming, print the list of targets
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echo "$alltarg"
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echo ""
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# For each target, configure, build and test it.
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echo "$alltarg" | while read target gdbopts simopts
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do
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    trap "exit 1"  1 2 15
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    dir=${builddir}/${target}
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    # Should a scratch rebuild be forced, for perhaps the entire
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    # build be skipped?
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    if ${force}
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    then
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        echo forcing ${target} ...
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        rm -rf ${dir}
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    elif test -f ${dir}
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    then
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        echo "${target}"
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        continue
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    else
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        echo ${target} ...
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    fi
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    # Did the previous configure attempt fail?  If it did
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    # restart from scratch.
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    if test -d ${dir} -a ! -r ${dir}/Makefile
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    then
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        echo ... removing partially configured ${target}
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        rm -rf ${dir}
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        if test -d ${dir}
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        then
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            echo "${target}: unable to remove directory ${dir}"
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            exit 1
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        fi
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    fi
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    # From now on, we're in this target's build directory
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    mkdir -p ${dir}
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    cd ${dir} || exit 1
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    # Configure, if not already.  Should this go back to being
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    # separate and done in parallel?
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    if test ! -r Makefile
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    then
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        # Default SIMOPTS to GDBOPTS.
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        test -z "${simopts}" && simopts="${gdbopts}"
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        # The config options
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        __target="--target=${target}"
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        __enable_gdb_build_warnings=`test -z "${gdbopts}" \
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            || echo "--enable-gdb-build-warnings=${gdbopts}"`
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        __enable_sim_build_warnings=`test -z "${simopts}" \
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            || echo "--enable-sim-build-warnings=${simopts}"`
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        __configure="${srcdir}/configure \
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            ${__target} \
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            ${__enable_gdb_build_warnings} \
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            ${__enable_sim_build_warnings}"
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        echo ... ${__configure}
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        trap "echo Removing partially configured ${dir} directory ...; rm -rf ${dir}; exit 1" 1 2 15
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        ${__configure} 2>&1 | log 2 Config.log
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        trap "exit 1"  1 2 15
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    fi
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    fail "configure failed" ! -r Makefile
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    # Build, if not built.
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    if test ! -x gdb/gdb -a ! -x gdb/gdb.exe
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    then
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        # Iff the build fails remove the final build target so that
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        # the follow-on code knows things failed.  Stops the follow-on
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        # code thinking that a failed rebuild succedded (executable
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        # left around from previous build).
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        echo ... ${make} ${keepgoing} ${makejobs} ${target}
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        ( ${make} ${keepgoing} ${makejobs} all-gdb || rm -f gdb/gdb gdb/gdb.exe
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        ) 2>&1 | log 1 Build.log
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    fi
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    fail "compile failed" ! -x gdb/gdb -a ! -x gdb/gdb.exe
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    # Check that the built GDB can at least print it's architecture.
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    echo ... run ${target}
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    rm -f core gdb.core ${dir}/gdb/x
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    cat <<EOF > x
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maint print architecture
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quit
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EOF
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    ./gdb/gdb -batch -nx -x x 2>&1 | log 1 Gdb.log
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    fail "gdb dumped core" -r core -o -r gdb.core
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    fail "gdb printed no output" ! -s Gdb.log
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    grep -e internal-error Gdb.log && fail "gdb panic" 1
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    echo ... cleanup ${target}
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    # Create a sed script that cleans up the output from GDB.
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    rm -f mbuild.sed
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    touch mbuild.sed || exit 1
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    # Rules to replace <0xNNNN> with the corresponding function's
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    # name.
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    sed -n -e '/<0x0*>/d' -e 's/^.*<0x\([0-9a-f]*\)>.*$/0x\1/p' Gdb.log \
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    | sort -u \
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    | while read addr
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    do
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        func="`addr2line -f -e ./gdb/gdb -s ${addr} | sed -n -e 1p`"
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        test ${verbose} -gt 0 && echo "${addr} ${func}" 1>&2
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        echo "s/<${addr}>/<${func}>/g"
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    done >> mbuild.sed
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    # Rules to strip the leading paths off of file names.
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    echo 's/"\/.*\/gdb\//"gdb\//g' >> mbuild.sed
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    # Run the script
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    sed -f mbuild.sed Gdb.log > Mbuild.log
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    # Replace the build directory with a file as semaphore that stops
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    # a rebuild. (should the logs be saved?)
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    cd ${builddir}
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    if ${keep}
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    then
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        :
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    else
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        rm -f ${target}.tmp
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        mv ${target}/Mbuild.log ${target}.tmp
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        rm -rf ${target}
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        mv ${target}.tmp ${target}
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    fi
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    # Success!
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    echo ... ${target} built
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done
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exit 0

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