#!/bin/sh
# this file is supposed to be located in the source directory
src_dir=$(dirname $0)

# scan the arguments and set this if build macros could be specified
mod_dir=
for OPT in "$@"; do
    case "$OPT" in
        --with-opm-cmake=*)
            # remove everything before equal sign and assign the rest
            mod_dir=${OPT#*=}
            # tilde expansion; note that doing eval may have side effects
            mod_dir=$(eval echo $mod_dir)
            # absolute path
            [ -d "$mod_dir" ] && mod_dir=$(cd $mod_dir ; pwd)
            ;;
    esac
done

# if it isn't specified, the look around in other known places
conf_file=cmake/Scripts/configure
if [ -z "$mod_dir" ]; then
    if [ -r "$src_dir/$conf_file" ]; then
        mod_dir="$src_dir"
    fi
fi

# terminate with error message here if the module directory is not found
if [ ! -r "$mod_dir/$conf_file" ]; then
    echo Build macros not located in \"$mod_dir\", use --with-opm-cmake= to specify! 1>&2
    exit 1
fi

# forward to the corresponding script in the cmake/Scripts/ directory
exec "$mod_dir/$conf_file" --src-dir="$src_dir" "$@"