#!/bin/sh

usage()
{
	echo "usage: $0 [-symlinks <path>]"
	echo
	echo "  Configure Xplor-NIH executable and scripts."
	echo
	echo "  If the optional -symlinks option is given. Symlinks to"
	echo "  the xplor executable and script will be placed in the given"
	echo "  path."
	echo
}

while [ -n "$1" ]; do
 opt=$1
 shift
 case "$opt" in
    -help|-h|--help)
        usage
	exit 0
    ;;
    -symlinks)
        symlinkPath=$1
	shift
    ;;
    *)
        echo "invalid option: $opt"
	usage
	exit 1
    ;;
 esac
done

pwd=`pwd`

scriptFiles="xplor testDist seq2psf pdb2psf pyXplor tclXplor xplor_mpi\
             targetRMSD torsionReport\
             calcTensor calcDaRh calcETensor\
             domainDecompose mleFit calcSAXS"

for binFile in $scriptFiles; do
  sed "s%__XPLOR_DIR__%$pwd%g" <bin/$binFile.in > bin/$binFile
  chmod 755 bin/$binFile
done

#get the value of ARCH
str=`./bin/xplor -sh-env`

if [ $? -eq 0 ]; then
    eval $str
else
    echo $str
    echo "configure failed"
    exit 1
fi

#pre-compile python files

if [ -d python ]; then
    echo "import compileall; compileall.compile_dir('python')" |\
	env PYTHONOPTIMIZE=1 bin/xplor -py >/dev/null
    echo "import compileall; compileall.compile_dir('bin.$ARCH')" |\
	env PYTHONOPTIMIZE=1 bin/xplor -py >/dev/null
fi


[ "$symlinkPath" = "" ] && exit 0

mkdirhier=$pwd/bin/mkdirhier

[ -d $symlinkPath ] || $mkdirhier $symlinkPath

for script in getBest findXcookie $scriptFiles; do
    rm -f $symlinkPath/$script
    ln -s $pwd/bin/$script $symlinkPath
done