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[/] [or1k/] [trunk/] [rtems-20020807/] [tools/] [build/] [multigen] - Rev 1765

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#!/bin/sh

# multigen,v 1.4 2000/09/12 12:50:02 joel Exp

version=0.1
verbose=0
target=
custom=0
config=0

usage()
{
program=`basename $0`
cat << EOF

$program generates RTEMS custom/*.cfgs and config-files for gcc multilib
variants a target's gcc supports

Usage: $program [options]

Options:
        --target=STRING         target
        --custom                generate make/custom/*.cfg files
        --config                generate config scripts
        --rtems=DIR             use DIR as location of RTEMS source tree
        -v, --verbose           verbose
        -h, --help              Print this usage
        --version               Print version and exit

Examples:
$program --config --target=sh-rtems --rtems=/usr/src/rtems-4.5.0
        Generates config scripts for all possible bare BSPs from all
        valid multilib variants sh-rtems-gcc supports

$program --custom --target=sh-rtems --rtems=/usr/src/rtems-4.5.0
        Generates /usr/src/rtems-4.5.0/make/custom/*.cfg files
        for all possible bare BSPs from the multilib variants 
        sh-rtems-gcc supports

Written by Ralf Corsepius <corsepiu@faw.uni-ulm.de>
EOF
}

while test $# -gt 0; do
  case "$1" in
  --rtems=*)
    rtems_srcdir=`echo "$1" | sed -e 's%--rtems=\(.*\)%\1%g'`
    ;;
  --target=*)
    target=`echo "$1" | sed -e 's%--target=\(.*\)%\1%g'`
    ;;
  -v|--verbose)
    verbose=1
    ;;
  --custom)
    custom=1
    ;;
  --config)
    config=1
    ;;
  --version)
    echo `basename $0` version $version
    exit 0
    ;;
  -h|--help)
    usage
    exit 1
    ;;
  *)
    echo "unknown option $1"
    usage
    exit 1
    ;;
  esac
  shift
done

if test $# -gt 0; then
  echo "Invalid number of arguments"
  exit 1
fi

if test x$target = x; then
  echo "Missing required option:"
  echo "        --target"
  exit 1
fi

if test x$rtems_srcdir = x; then
  echo "Missing required option:"
  echo "        --rtems"
  exit 1
fi

if test $config -eq 0 && test $custom -eq 0; then
  echo "Missing required option:"
  echo "        --config"
  echo "        --custom"
  echo " (At least one of these is required)"
  exit 1
fi

if test ! -r $rtems_srcdir/VERSION; then
  echo "Can't find rtems"
  echo "Check value passed to --rtems=<DIR>"
  exit 1
fi

if test x$target != x ;then
target_prefix=$target-
fi
 
# Check for CC
saved_IFS=$IFS; IFS=":"
for i in $PATH; do
  if test -f $i/${target_prefix}gcc; then
    CC=$i/${target_prefix}gcc
    break
  fi
done
IFS=$saved_IFS

if test x$CC = x; then
  echo "No valid gcc found"
  exit 1
fi
test $verbose -gt 0 && echo "Using $CC"

for i in `${CC} --print-multi-lib 2>/dev/null`; do 
  dir=`echo $i | sed -e 's/;.*$//'`
  case $dir in
  .) f=$target
     flags=""
     ;;
  *) f=`echo $target-$dir | sed -e 's%\/%-%g'`
     flags=`echo $i | sed -e 's/^[^;]*;//' -e 's/@/ -/g'`
     ;;
  esac

  if test $config -gt 0; then
    cfg="rtems-config.$f"
    test $verbose -gt 0 && echo "Generating: $cfg"

cat << EOF > $cfg
#!/bin/sh

${rtems_srcdir}/configure --target=$target \\
'--enable-bare-cpu-cflags=$flags' \\
--enable-rtemsbsp="bare" \\
--enable-bare-cpu-model=NONE \\
--disable-networking \\
--disable-tests \\
--enable-maintainer-mode
EOF
    chmod +x $cfg
  fi

  if test $custom -gt 0; then
    cfg=${rtems_srcdir}/make/custom/bare-$f.cfg
    test $verbose -gt 0 && echo "Generating: $cfg"
cat << EOF > $cfg
#  Config file for the bare-$f BSP

BARE_CPU_CFLAGS=$flags
BARE_CPU_MODEL=NONE

include \$(RTEMS_ROOT)/make/custom/bare.cfg
EOF

  fi
done

exit 0

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