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Compilation issues of the curses module on Solaris and OpenIndiana #57761

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vstinner opened this issue Dec 8, 2011 · 6 comments
Closed

Compilation issues of the curses module on Solaris and OpenIndiana #57761

vstinner opened this issue Dec 8, 2011 · 6 comments
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build The build process and cross-build

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@vstinner
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vstinner commented Dec 8, 2011

BPO 13552
Nosy @jcea, @vstinner, @tpn
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  • curses_hacks.patch
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = <Date 2017-06-28.01:42:40.076>
created_at = <Date 2011-12-08.00:53:17.521>
labels = ['build']
title = 'Compilation issues of the curses module on Solaris and OpenIndiana'
updated_at = <Date 2017-06-28.01:42:40.074>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2017-06-28.01:42:40.074>
actor = 'vstinner'
assignee = 'none'
closed = True
closed_date = <Date 2017-06-28.01:42:40.076>
closer = 'vstinner'
components = ['Build']
creation = <Date 2011-12-08.00:53:17.521>
creator = 'vstinner'
dependencies = []
files = ['23873']
hgrepos = []
issue_num = 13552
keywords = ['patch']
message_count = 6.0
messages = ['149007', '149010', '155145', '164784', '178874', '297131']
nosy_count = 7.0
nosy_names = ['jcea', 'vstinner', 'enchanter', 'trent', 'mschmarck', 'iandekit', 'Justin.Venus']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue13552'
versions = ['Python 3.3']
    @vstinner
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    vstinner commented Dec 8, 2011

    The _curses module has two issues on OpenSolaris:

    • using the default curses library, mvwchgat() cannot be found and _curses module compilation fails
    • there is a "XPG4 curses" library. I tried to use it using various hacks in _cursesmodule.c and setup.py, but test_curses failed with a crash.
    • if the readline library (not the Python module) is linked to libncursesw, the compilation of the _curses module fails because cchar_t is not defined. I suppose that curses.h is the bytes library, not the ncursesw Unicode library.

    See issue bpo-12567 for the ncursesw issue and issue bpo-3786 for the mvwchgat() problem. The issue bpo-3786 contains information about XPG4 curses and has a (non working) patch for the mvwchgat() issue.

    --

    I opened a new issue because bpo-12567 is more specific to Unicode, and bpo-3786 talks about various issues (it is not specific to curses).

    @vstinner vstinner added the build The build process and cross-build label Dec 8, 2011
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    vstinner commented Dec 8, 2011

    curses_hacks.patch: various hacks to use the XPG4 curses on OpenIndiana.

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    vstinner commented Mar 8, 2012

    Jesús Cea Avión also noticed in msg143798 from the issue bpo-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?.

    @JustinVenus
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    JustinVenus mannequin commented Jul 7, 2012

    Does OpenIndiana ship with the gnu version of ncurses like Solaris 11?

    Headers:
    /usr/include/ncurses

    Libraries:
    /usr/gnu/lib

    If it matches Solaris, then you can use my patch[1] in bpo-3786 to see if that works around the issue, like it does for Solaris.

    1. http://bugs.python.org/file26171/bug3786.patch

    @vstinner
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    vstinner commented Jan 3, 2013

    What is the status of this issue? Is curses still broken on Python 3.4?

    @vstinner vstinner changed the title Compilation issues of the curses module on OpenIndiana Compilation issues of the curses module on Solaris and OpenIndiana Nov 26, 2013
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    The OpenIndiana buildbot is offline. The Solaris buildbot was removed. We cannot develop on these operating systems, so I just close the issue. Sorry.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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