#! /usr/bin/env bash

# Create GCC compiler Darwin distribution.
#
# -rebuild
# -arch
#
trap 'exit 1' ERR

function error ()
{
  echo "$*" 1>&2
}

arch=i686-apple-darwin8
rebuild=n

while [ $# -gt 0 ]; do
  case $1 in
    -rebuild)
      rebuild=y
      shift
      ;;
    -arch)
      shift
      arch=$1
      shift
      ;;
    *)
      error "unknown option: $1"
      exit 1
      ;;
  esac
done

out_root=`pwd`

mkdir -p gcc-build

# Need gcc-4.2.
#
export PATH=/usr/local/bin:$PATH

# Clean everything up if we are rebuilding.
#
if [ $rebuild = y ]; then
  rm -rf gcc-build/*
  rm -rf /$arch/*
fi

# Build gcc
#
cd gcc-build

if [ $rebuild = y ]; then
  ../gcc-configure $arch
fi

make -j 2
make install
make -C $arch/libstdc++-v3 install-strip

cd ..

#cp ../gcc/gcc/config/darwin-sections.def /$arch/lib/gcc/$arch/4.5.1/plugin/include/