The build on Ubuntu 14.04 and 18.04 failed on undefined references to
libxls functions caused by having the -l at the beginning of the
argument list, injected into LDFLAGS, rather than at the end, where
LDLIBS ends up.
If not using builtin curses and the ncurses bl3 is included before
ncursesw, as happens through the lua option, the ncurses bl3 sabotages
-lncursesw so make sure to include ncursesw first thing.
'SC Improved', a curses-based spreadsheet program based on sc. New features
include undo and redo, colors, sorting, plotting and XLS[X] support.
Packaged in pkgsrc-wip by Sijmen J. Mulder.
