#!	/bin/sh

usage () {
	echo "Usage: config [options] <configuration>"
	echo "       where one of the following options must be selected: "
	echo "          -d  (debug)"
	echo "          -O  (optimized)"
	echo "          -p  (profiling)"
	echo "       and <configuration> is one of the following:"
        echo "          lf95    (Lahey-Fujitsu fortran95 compiler"
        echo "          intel   (Intel fortran95 compiler vers. 8 and later)"
        echo "          MAC     (Intel Fortran95 compiler for MAC)"
        echo "          gfortran (GNU F95 compiler) requires gcc 4.1 and later "
        echo "       the program may compile with the following compilers,"
        echo "       but there are problems: "
        echo "          HP90    (HP FORTRAN 90)"
        echo "          g95  (g95 free software, http://g95.sourceforge.net)"

	exit 1
}

if [ $# -lt 1 ]; then
	usage
fi

# Compilation options (debug/optimize)
opt="d"
if [ "$1" = "-d" ]; then
	opt="d"
	shift
elif [ "$1" = "-p" ]; then
	opt="p"
	shift
elif [ "$1" = "-O" ]; then
	opt="O"
	shift
fi
if [ $# -ne 1 ]; then
	usage
fi

# Configuration
conf=$1

mffile=conf/mf.$conf.$opt
optfile=conf/opt.$conf

if [ ! -f $mffile ]; then
	usage
fi

# Makefile options
cp $mffile src/make.flags
if [ -f conf/rules ]; then
	cat conf/rules >> src/make.flags
fi

# Selection of installation-dependent source files
if [ -f $optfile ]; then
. $optfile
fi

for dir in ephem propag suit orbfit include
do
	if [ -d src/$dir ]; then
		cd src/$dir
#		../lib/inst_src $SRCSEL
		if [ -f config.sh ]; then
			./config.sh
		fi
		cd ../..
	fi
done

echo $conf $opt > .conf.status
echo $conf > src/.compiler