Detect incomplete readline implementation

[smontanaro]

BPO	1435651
Nosy	@loewis, @smontanaro, @brettcannon
Files	setup.diff

^{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 2007-02-19.10:33:47.000>
created_at = <Date 2006-02-21.04:33:20.000>
labels = ['extension-modules']
title = 'Detect incomplete readline implementation'
updated_at = <Date 2007-02-19.10:33:47.000>
user = 'https://github.com/smontanaro'

bugs.python.org fields:

activity = <Date 2007-02-19.10:33:47.000>
actor = 'loewis'
assignee = 'none'
closed = True
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2006-02-21.04:33:20.000>
creator = 'skip.montanaro'
dependencies = []
files = ['7020']
hgrepos = []
issue_num = 1435651
keywords = ['patch']
message_count = 3.0
messages = ['49552', '49553', '49554']
nosy_count = 3.0
nosy_names = ['loewis', 'skip.montanaro', 'brett.cannon']
pr_nums = []
priority = 'normal'
resolution = 'rejected'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue1435651'
versions = ['Python 2.5']

[smontanaro]

Here's a patch for setup.py to detect BSD-ish readlines that
don't have the full suite of readline/history functions needed
by Python (and provided by GNU readline).

Skip

[brettcannon]

Logged In: YES
user_id=357491

You mentioned on python-dev and in the diff that autoconf
could detect this better. Would adding something to
configure and having distutils.sysconfig.get_config_var()
see if it is set be a better solution?

[loewis]

I'm rejecting this patch as out-of-date. r42562 added a similar change, although restricted to OSX.

If anybody wants to work on it again, I recommend to add checks for exported functions to configure, then query them in setup.py (doing it in distutils is probably impractical, as you would want to cache the result, just as configure output is cached in config.status).