+20080906
+ + corrected gcc options for building shared libraries on IRIX64.
+ + add configure check for awk programs unable to handle big-strings,
+ use that to improve the default for --enable-big-strings option.
+ + makefile-fixes for --enable-weak-symbols (report by Frederic L W
+ Meunier).
+ + update test/configure script.
+ + adapt ifdef's from library to make test/view.c build when mbrtowc()
+ is unavailable, e.g., with HPUX 10.20.
+ + add configure check for wcsrtombs, mbsrtowcs, which are used in
+ test/ncurses.c, and use wcstombs, mbstowcs instead if available,
+ fixing build of ncursew for HPUX 11.00
+