#! /usr/bin/env bash

# file      : build/cxx/gnu/configure
# author    : Boris Kolpackov <boris@codesynthesis.com>
# copyright : Copyright (c) 2004-2010 Code Synthesis Tools CC
# license   : GNU GPL v2; see accompanying LICENSE file

# $1  out file
# $2  optimize (y/n)
#
# bld_root     - build root
# project_name - project name
#


source $bld_root/dialog.bash

$echo
$echo
$echo "configuring '$project_name'"
$echo
$echo

$echo
$echo "Please enter the g++ binary you would like to use, for example 'g++-3.4',"
$echo "'/usr/local/bin/g++' or 'distcc g++'."
$echo

cxx_gnu=`read_path --command g++`
cxx_gnu_libraries=`$cxx_gnu -print-search-dirs | sed -e 's/libraries: =//p' -e d`


optimization=

if [ "$2" == "y" ]; then

  $echo
  $echo "Please select the optimization level you would like to use:"
  $echo
  $echo "(1) -O1 [Tries to reduce code size and execution time, without"
  $echo "         performing any optimizations that take a great deal of"
  $echo "         compilation time.]"
  $echo "(2) -O2 [Performs nearly all supported optimizations that do not"
  $echo "         involve a space-speed tradeoff.]"
  $echo "(3) -O3 [Optimize even more.]"
  $echo "(4) -Os [Optimize for size.]"
  $echo

  optimization=`read_option "-O1 -O2 -O3 -Os" "-O2"`

fi

echo "cxx_gnu := $cxx_gnu"                            > $1
echo "cxx_gnu_libraries := $cxx_gnu_libraries"       >> $1
echo "cxx_gnu_optimization_options := $optimization" >> $1