#!/bin/bash
#
# $Id$
#
# RTEMS Bare BSP Build Script.
#
# This is designed to allow recording of stdout to log. The log
# forms part of a clean build trace for validation and verification
# reasons.
#

. `echo $0 | sed -e 's/do-rtems-build/build-tools/'`

#
# The current versions we are building.
#
# Note: Please change to suite.
#

RTEMS=rtems-980618

#
# The list of processors we want the tools built for.
#

CPUS="m68k"

#
# RTEMS CPU target we want to build.
#

RTEMS_M68K_TARGETS="68000 68030 cpu32"

#
# The particular host settings we have.
#
# Map particulars for different hosts here.
#

HOST=`hostname`

case "${HOST}" in
  kiwi*)
    ARCHIVE="/ods/archive"
    TOOLS="/ods/egcs"
    RTEMS_PATH=development/rtems/${RTEMS}
    ;;
  *)
    fatal_error "host is not known."
    ;;
esac

#
# Where will RTEMS live when installed ?
#

RTEMS_PREFIX=${TOOLS}/test

echo "Building on ${HOST}, archives in ${ARCHIVE}"

#
# Who is doing the build.
#

echo "User profile : "`id`

#
# Find out where we are
#

TOPDIR=`pwd`

echo "Top directory is ${TOPDIR}"

#
# Test the paths to the archives exist.
#

test_path ${ARCHIVE}/${RTEMS_PATH}

#
# Get the RTEMS source and patch.
#

echo "Unpacking rtems source ${ARCHIVE}/${RTEMS_PATH}/${RTEMS}.tgz ... "
tar zxf ${ARCHIVE}/${RTEMS_PATH}/${RTEMS}.tgz
check_fatal $? "failed to unpack ${RTEMS}.tgz."

#
# Build all the processors we support.
#

for cpu in ${CPUS}; do
{
  #
  # Create the target.
  #

  TARGET=${cpu}-rtems

  #
  # On to RTEMS.
  #

  case ${cpu} in
    m68k)
      RTEMS_TARGETS=${RTEMS_M68K_TARGETS}
      ;;
    *)
      fatal_error "unknown cpu ${cpu}"
      ;;
  esac

  for rtems_target in ${RTEMS_TARGETS}; do 
  {
    #
    # Remove the target if found.
    #

    echo "Removing the RTEMS bare bsp directory rtems-bare-${rtems_target} ... "
    rm -rf rtems-bare-${rtems_target}
    check_fatal $? "failed to remove rtems-bare-${rtems_target}."

    echo "Creating the RTEM build directory for target ${rtems_target} ... "
    checked_mkdir rtems-bare-${rtems_target} 

    cd rtems-bare-${rtems_target}

    #
    # Configure RTEMS.
    #
    # FIXME: the mapping from the rtems_target to the cpu flags
    #        just happens to work for the m68k targets. This should
    #        be mapped in a way which does not depends on the rtems_target,
    #        or RTEMS should support multilibs.
    #
    
    echo "Configuring RTEMS target bare-${rtems_target} ... "
    ../${RTEMS}/configure --target=${TARGET} --prefix=${RTEMS_PREFIX} \
      --enable-cxx --enable-gmake-print-directory \
      --disable-tests --disable-posix --enable-networking \
      --enable-bare-cpu-cflags=-m${rtems_target} \
      --enable-bare-cpu-model=m${rtems_target} \
      --enable-rtemsbsp=bare
    check_fatal $? "failed to configure rtems target."

    #
    # Do the RTEMS build.
    #

    echo "Building RTEMS target bare-${rtems_target} ... "
    make all install
    check_fatal $? "failed to complete rtems build for target ${rtems_target}."

    #
    # Remove the target if found.
    #

    echo "Removing the RTEMS bare bsp directory ${RTEMS_PREFIX}/rtems/bare-${rtems_target} ... "
    rm -rf ${RTEMS_PREFIX}/rtems/bare-${rtems_target}
    check_fatal $? "failed to remove ${RTEMS_PREFIX}/rtems/bare-${rtems_target}."

    #
    # Fix up the fact that RTEMS always installsthe bare bsp to the bare directory
    #

    echo "Moving the RTEMS bare bsp directory to bare-${rtems_target} ... "
    mv ${RTEMS_PREFIX}/rtems/bare ${RTEMS_PREFIX}/rtems/bare-${rtems_target}
    check_fatal $? "failed to move the bare bsp directory to bare-${rtems_target}."

    cd ../
  }; done
}; done
 
cd ../

my_exit 0