#! /bin/bash

# INPUT:
# build_tree -> base of where to build stuff
# build_action -> what to do for each file we need to compile
# build -> file containing instructions to build library
# OUTPUT:
# build_result -> result directory

OLD_PATH="$PATH"
PATH="../compile:$PATH"

echo "${spacing}Parsing '$build' for build instructions"
#cat "$build"|while read line; do
while read line; do

    # Skip comments
  case $line in 
    [[:space:]]*\#*|\#*) continue; ;;
    [[:space:]]*) continue; ;;
  esac

  build_result="$build_tree"/`echo $line|sed -e 's/.*source[[:space:]]*\([^ ]*\)/\1/'`
  rm -f $build_tree/current
  if test ! -d "$build_result"; then  
    mkdir "$build_result"
    ln -sf `cd $build_result && pwd` $build_tree/current

    . test.lib.build

      # Read and eval line
    eval "$line"
  else 
    ln -sf `cd $build_result && pwd` $build_tree/current
    echo "  (build cached)"
  fi

  . "$build_action"
done <"$build"
PATH="$OLD_PATH"