[issue13552] Compilation issues of the curses module on OpenIndiana

[STINNER Victor]

STINNER Victor <victor.stinner at gmail.com> added the comment:

Jesús Cea Avión also noticed in msg143798 from the issue #6755:

I have compiled ncurses myself, supporting wide characters. I get this warnings in the buildbots:

"""
/export/home/buildbot/32bits/3.x.cea-indiana-x86/build/Modules/_cursesmodule.c:920: warning: implicit declaration of function 'wget_wch'
/export/home/buildbot/32bits/3.x.cea-indiana-x86/build/Modules/_cursesmodule.c:927: warning: implicit declaration of function 'mvwget_wch'
/export/home/buildbot/32bits/3.x.cea-indiana-x86/build/Modules/_cursesmodule.c:2760: warning: implicit declaration of function 'unget_wch'
"""

Studying the "ncurses.h", I see the definition of "wget_wch" and others. But these definitions are created only if "_XOPEN_SOURCE_EXTENDED" is defined.

Something to be explored?.

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