#!/bin/sh

#
#  Checks the status returned by executables and exits if it is non-zero.
#

check_fatal()
{
  if [ $1 -ne 0 ] ; then
    shift
    echo "error: $*" >&2
    exit 1
  fi
}

#
# What OS are we on.
#

OS=`uname`

case ${OS} in
  Linux)
    DO_DRIVER=Yes
    DRIVER=linux
    DO_LIB=Yes
    DO_SERVER=Yes
    DO_TEST=Yes
    DO_UTILS=Yes
    ;;
  FreeBSD)
    DO_DRIVER=Yes
    DRIVER=freebsd
    DO_LIB=Yes
    DO_SERVER=Yes
    DO_TEST=Yes
    DO_UTILS=Yes
    ;;
  CYGWIN*)
    DO_LIB=Yes
    DO_TEST=Yes
    DO_UTILS=Yes
    ;;
  *)
    echo "error: operating system not supported"
    exit 1
    ;;
esac

#
#  Figure out if GNU make is available. This is for FreeBSD.
#

gmake_found=no
for name in gmake make
do
  if [ ${gmake_found} = "no" ] ; then
    ${name} --version > /dev/null 2>&1
    if [ $? -eq 0 ] ; then
      MAKE=${name}
      gmake_found=yes
    fi
  fi
done

if [ ${gmake_found} = "no" ] ; then
   echo "Unable to locate a version of GNU make in your PATH"
   echo "GNU Make is required to build these tools."
   exit 1
fi

if [ x${DO_DRIVER} = "xYes" ]; then
  echo "Building BDM Driver for ${OS}"
  cd driver/${DRIVER}
  check_fatal $? "cannot cd to \`driver/${DRIVER}'."
  echo ${MAKE} clean
  ${MAKE} clean
  check_fatal $? "cannot clean \`driver/${DRIVER}'."
  echo ${MAKE}
  ${MAKE}
  check_fatal $? "cannot make \`driver/${DRIVER}'."
  cd ../../
fi

if [ x${DO_LIB} = "xYes" ]; then
  echo "Building BDM Library for ${OS}"
  cd lib
  check_fatal $? "cannot cd to \`lib'."
  echo ${MAKE} clean
  ${MAKE} clean
  check_fatal $? "cannot clean \`lib'."
  echo ${MAKE}
  ${MAKE}
  check_fatal $? "cannot make \`lib'."
  cd ../
fi

if [ x${DO_SERVER} = "xYes" ]; then
  echo "Building BDM Server for ${OS}"
  cd server
  check_fatal $? "cannot cd to \`server'."
  echo ${MAKE} clean
  ${MAKE} clean
  check_fatal $? "cannot clean \`server'."
  echo ${MAKE}
  ${MAKE}
  check_fatal $? "cannot make \`server'."
  cd ../
fi

if [ x${DO_TEST} = "xYes" ]; then
  echo "Building BDM Tests for ${OS}"
  cd test
  check_fatal $? "cannot cd to \`test'."
  echo ${MAKE} clean
  ${MAKE} clean
  check_fatal $? "cannot clean \`test'."
  echo ${MAKE}
  ${MAKE}
  check_fatal $? "cannot make \`test'."
  cd ../
fi

if [ x${DO_UTILS} = "xYes" ]; then
  echo "Building BDM Utilites for ${OS}"
  cd utils
  check_fatal $? "cannot cd to \`utils'."
  echo ${MAKE} clean
  ${MAKE} clean
  check_fatal $? "cannot clean \`utils'."
  echo ${MAKE}
  ${MAKE}
  check_fatal $? "cannot make \`utils'."
  cd ../
fi