"make altinstall" may clobber OS provided scripts

[ncoghlan]

BPO	10679
Nosy	@birkenfeld, @ncoghlan, @benjaminp, @merwok
Files	altinstall_scripts.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 2010-12-28.09:51:50.342>
created_at = <Date 2010-12-11.11:47:35.869>
labels = ['deferred-blocker', 'type-bug']
title = '"make altinstall" may clobber OS provided scripts'
updated_at = <Date 2010-12-28.09:51:50.341>
user = 'https://github.com/ncoghlan'

bugs.python.org fields:

activity = <Date 2010-12-28.09:51:50.341>
actor = 'georg.brandl'
assignee = 'none'
closed = True
closed_date = <Date 2010-12-28.09:51:50.342>
closer = 'georg.brandl'
components = []
creation = <Date 2010-12-11.11:47:35.869>
creator = 'ncoghlan'
dependencies = []
files = ['20110']
hgrepos = []
issue_num = 10679
keywords = ['patch']
message_count = 5.0
messages = ['123784', '123785', '123795', '124335', '124776']
nosy_count = 5.0
nosy_names = ['georg.brandl', 'ncoghlan', 'benjamin.peterson', 'eric.araujo', 'Arfrever']
pr_nums = []
priority = 'deferred blocker'
resolution = 'fixed'
stage = 'needs patch'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue10679'
versions = []

[ncoghlan]

"make altinstall" installs "2to3", "pydoc3" and "idle3" without version specific names.

This was at least a deliberate decision in the case of 2to3, but there doesn't appear to be any reason not to use a properly qualified version suffix on the pydoc and idle executables.

[ncoghlan]

Softened the wording, since OS packages will often omit installing any executable files other than the main python binary.

[birkenfeld]

Yes, this already irked me with previous versions.

[birkenfeld]

Attaching a patch that should fix it. The delegation of the links to the Makefile is not ideal, but I don't see how to easily do it otherwise.

While this is reviewed, deferring as it should not block beta2.

[birkenfeld]

Committed in r87525.