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Khem Raj
18e92f2c6c
We want the wide character functions from the ncurses header. Unfortunately it doesn't provide them by default, but only if either: * NCURSES_WIDECHAR is defined (for ncurses 20111030 and up) * _XOPEN_SOURCE/_XOPEN_SOURCE_EXTENDED are suitably defined So far we have been implicitly relying on the latter, because for GNU libc when we define _GNU_SOURCE this causes libc to define the _XOPEN_SOURCE macros for us. Unfortunately this doesn't work on all libcs, because some (like musl libc) do not define _XOPEN_SOURCE when _GNU_SOURCE is defined. Signed-off-by: Khem Raj <raj.khem@gmail.com>