PatR 7a5fb72787 address #H4266 - build problem with clang Modules ...

Report states that using OSX Xcode IDE results in use of 'clang
Modules', whatever those are, and role.c's 'filter' struct ends up
conflicting with a function declared by <curses.h> (or possibly
<ncurses.h> since one includes the other).  src/role.c does not
include <curses.h>, so this smacks of the problems caused by using
precompiled headers on pre-OSX Mac.

Instead of trying to import nethack into Xcode, I temporarily
inserted '#include <curses.h>' at the end of unixconf.h.  gcc did
complain about 'filter' in role.c (but not in invent.c, despite
-Wshadow), and then complained about termcap.c using TRUE when it
wasn't defined (after in had been #undef'd, where there's a comment
stating that it won't be used in the rest of that file), and also
complained about static function winch() in wintty.c conflicting
with external winch() in curses.

This renames 'filter' and 'winch()' to things that won't conflict.
Also, our winch() is a signal handler but had the wrong signature
for one.  And the troublesome use of TRUE was in code that was
supposed to be dealing with int rather than boolean.

2016-03-02 00:37:56 -08:00

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