dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
-[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
+ AC_HELP_STRING([--with-libiconv-prefix=DIR], [search for libiconv in DIR/include and DIR/lib]), [
for dir in `echo "$withval" | tr : ' '`; do
if test -d $dir/include; then LIBICONV_INCLUDE="-I$dir/include"; fi
if test -d $dir/lib; then LIBICONV_LIBDIR="-L$dir/lib"; fi