stop using ranlib

[benjaminp]

BPO	31625
Nosy	@vstinner, @benjaminp, @stratakis, @kadler
PRs	stop using ranlib (closes bpo-31625) #3815 explicitly list objects for the ar command #3824 [3.6] bpo-31625: Stop using ranlib #10417 bpo-37916: distutils: allow overriding of the RANLIB command on macOS (darwin) #15387

^{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 2018-11-29.14:46:30.011>
created_at = <Date 2017-09-29.06:15:32.648>
labels = ['3.8', 'build', '3.7']
title = 'stop using ranlib'
updated_at = <Date 2019-12-09.09:40:56.912>
user = 'https://github.com/benjaminp'

bugs.python.org fields:

activity = <Date 2019-12-09.09:40:56.912>
actor = 'Jakub Piotr C\xc5\x82apa'
assignee = 'none'
closed = True
closed_date = <Date 2018-11-29.14:46:30.011>
closer = 'vstinner'
components = ['Build']
creation = <Date 2017-09-29.06:15:32.648>
creator = 'benjamin.peterson'
dependencies = []
files = []
hgrepos = []
issue_num = 31625
keywords = ['patch']
message_count = 11.0
messages = ['303301', '303332', '303333', '303336', '303338', '329001', '329483', '329534', '330691', '330692', '330693']
nosy_count = 4.0
nosy_names = ['vstinner', 'benjamin.peterson', 'cstratak', 'kadler']
pr_nums = ['3815', '3824', '10417', '15387']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue31625'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']

[benjaminp]

As far as I'm aware, every modern *nix's ar supports an "s" flag that removes the need to run ranlib separately on a a static library. We should just do that and stop running ranlib. That saves us some lines in configure.ac and the Makefile.

[benjaminp]

New changeset d15108a by Benjamin Peterson in branch 'master':
stop using ranlib (closes bpo-31625) (bpo-3815)
d15108a

[vstinner]

Buildbots are unhappy :-( Compilation failed on:

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%20CURRENT%20Debug%203.x/builds/962/steps/compile/logs/stdio

http://buildbot.python.org/all/builders/AMD64%20FreeBSD%20CURRENT%20Non-Debug%203.x/builds/964/steps/compile/logs/stdio

[benjaminp]

New changeset 6fb0e4a by Benjamin Peterson in branch 'master':
explicitly list objects for the ar command (bpo-3824)
6fb0e4a

[vstinner]

Thanks ;-)

[stratakis]

Would it make sense to backport that to 3.6 as well? Currently this blocks https://bugs.python.org/issue28015 from being backported to 3.6

[vstinner]

(I reopen the issue.)

Would it make sense to backport that to 3.6 as well? Currently this blocks https://bugs.python.org/issue28015 from being backported to 3.6

There is a risk of regression. Does bpo-28015 fix really depend on this change?

Benjamin wrote: "As far as I'm aware, every modern *nix's ar supports an "s" flag", but I'm not sure if Python 3.6 is only used on "modern Unix". Some people use AIX and HP-UX: does ar support "s" on these OSes?

[kadler]

AIX supports the -s flag: https://www.ibm.com/support/knowledgecenter/en/ssw_aix_71/com.ibm.aix.cmds1/ar.htm#ar__row-d3e27561

[vstinner]

New changeset e1b2103 by Victor Stinner (stratakis) in branch '3.6':
[3.6] bpo-31625: Stop using ranlib (GH-10417)
e1b2103