#! /bin/sh

prefix="/usr/pkg"
exec_prefix="${prefix}"
exec_prefix_set=no

usage()
{
    cat <<EOF
Usage: gdome-config [OPTION]...

Known values for OPTION are:

  --prefix=DIR		change GDOME prefix [default $prefix]
  --exec-prefix=DIR	change GDOME executable prefix [default $exec_prefix]
  --libs		print library linking information
  --cflags		print pre-processor and compiler flags
  --help		display this help and exit
  --version		output version information
EOF

    exit $1
}

if [ $# -eq 0 ]
then
    usage 1 1>&2
fi

cflags=false
libs=false

while [ $# -gt 0 ]
do
    case "$1" in
    -*=*) optarg=`echo "$1" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
    *) optarg= ;;
    esac

    case "$1" in
    --prefix=*)
	prefix=$optarg
	if [ $exec_prefix_set = no ]
        then
	    exec_prefix=$optarg
	fi
	;;

    --prefix)
	echo $prefix
	;;

    --exec-prefix=*)
	exec_prefix=$optarg
	exec_prefix_set=yes
	;;

    --exec-prefix)
	echo $exec_prefix
	;;

    --version)
	echo 0.8.1
	exit 0
	;;

    --help)
	usage 0
	;;

    --cflags)
       	cflags=true
       	;;

    --libs)
       	libs=true
       	;;

    *)
	usage 1
	;;
    esac
    shift
done

the_libs="$the_libs -L${exec_prefix}/lib -lgdome ` --libs` `xml2-config --libs`"
the_flags="$the_flags -I${prefix}/include -I${prefix}/include/libgdome ` --cflags` `xml2-config --cflags`"

if $cflags; then
    all_flags="$the_flags"
fi

if $libs; then
    all_flags="$all_flags $services $the_libs"
fi

if test -z "$all_flags" || test "x$all_flags" = "x "; then
    exit 1
fi

# Straight out any possible duplicates, but be careful to
# get `-lfoo -lbar -lbaz' for `-lfoo -lbaz -lbar -lbaz'
other_flags=
rev_libs=
for i in $all_flags; do
    case "$i" in
    # a library, save it for later, in reverse order
    -l*) rev_libs="$i $rev_libs" ;;
    *)
	case " $other_flags " in
	*\ $i\ *) ;;				# already there
	*) other_flags="$other_flags $i" ;;	# add it to output
        esac ;;
    esac
done

ord_libs=
for i in $rev_libs; do
    case " $ord_libs " in
    *\ $i\ *) ;;			# already there
    *) ord_libs="$i $ord_libs" ;;	# add it to output in reverse order
    esac
done

echo $other_flags $ord_libs

exit 0
