#! /bin/bash

PROJECT=ecc

# Available sub-projects.
AVAILABLE_PROJECTS=( ecc )

# Enabled sub-projects.
PROJECTS=( ecc )

# Additional options (see functions sources below).
# Options followed by a ':' require an argument, by '::' allow an optional argument.
SHORT_OPTIONS=
# Long options are not available with BSD getopt.
LONG_OPTIONS=

# Help for additional options
usage() {
  # option h "help" "display this help and exit"
  return
}

# Find the directory containing this script.
source="${BASH_SOURCE[0]}"
while [ -h "${source}" ] ; do
  SCRIPTS="$(cd -P "$(dirname "${source}")" && pwd)"
  source="$(readlink "${source}")"
  [[ ${source} != /* ]] && source="$DIR/${source}"
done
SCRIPTS="$(cd -P "$(dirname "${source}")" && pwd)"

# Get support functions and definitions.
source ${SCRIPTS}/support

if [ ! -d ${SRCTOP}/llvm ] ; then
  # Get and patch the LLVM sources.
  run ${SCRIPTS}/build-llvm -cp
fi

if [ ! -d ${SRCTOP}/binutils-gdb ] ; then
  # Get and  patch the binutils-gdb sources.
  run ${SCRIPTS}/build-binutils-gdb -cp ${TARGETTUPLE}
fi

if [ "${TOOLS}" = "host" ] ; then
  # Using the host tools. Build just enough to bootstrap.
  run ${SCRIPTS}/build-binutils-gdb -Cbi
  run ${SCRIPTS}/build-llvm -Cbi
  # Recalculate.
  source ${SCRIPTS}/support ${TARGETTUPLE}
fi

if [ "${TOOLS}" = "clang" ] ; then
  # Using clang tools. Build just enough to bootstrap.
  run ${SCRIPTS}/build-binutils-gdb -Cbi
  run ${SCRIPTS}/build-llvm -Cbi
  # Recalculate.
  source ${SCRIPTS}/support ${TARGETTUPLE}

  # Built with clang, ready to create ecc.
  run cd ${LOCALBIN}
  run ln -sf clang-[0-9]* ecc
  run ln -sf clang-[0-9]* ecc++
  run cd ${TOP}
fi

if [ "${HOSTTUPLE}" == "${TARGETTUPLE}" ] ; then
  # Install ecc tool info files.
  if [ ${TOOLINFO} != ${LOCALTOOLINFO} ] ; then
    run mkdir -p ${LOCALTOOLINFO}
    run cp ${TOOLINFO}/* ${LOCALTOOLINFO}
  fi
fi

# Check for cross compiling.
if [ "${CROSS}" = "yes" ] ; then
  # Create ecc links.
  run cd ${LOCALBIN}
  run ln -sf clang-[0-9]* ecc
  run ln -sf clang-[0-9]* ecc++
  exit 0
fi

# Recalculate.
source ${SCRIPTS}/support ${TARGETTUPLE}

if [ "${TOOLS}" != "ecc" ] ; then
  # We should have ecc by now.
  bailout "ecc is unavailable. Something bad happened."
fi

run ${SCRIPTS}/make-libraries ${TARGETTUPLE}

# Build ecc.
run ${SCRIPTS}/build-llvm -Cbi ${TARGETTUPLE}

# Create ecc links.
run cd ${LOCALBIN}
run ln -sf clang-[0-9]* ecc
run ln -sf clang-[0-9]* ecc++
run cd ${TOP}

# Configure, build, and install binutils with ecc.
run ${SCRIPTS}/build-binutils-gdb -Cbi ${TARGETTUPLE}

# RICH: Test basic compiled code functionality for each target.