distutils should support a custom list of exported symbols for Windows dlls.

[dholth]

BPO	11624
Nosy	@tarekziade, @merwok, @dholth

^{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 = 'https://github.com/tarekziade'
closed_at = <Date 2012-07-13.12:33:57.695>
created_at = <Date 2011-03-21.17:31:46.027>
labels = ['type-feature', 'invalid']
title = 'distutils should support a custom list of exported symbols for Windows dlls.'
updated_at = <Date 2012-07-13.12:33:57.694>
user = 'https://github.com/dholth'

bugs.python.org fields:

activity = <Date 2012-07-13.12:33:57.694>
actor = 'dholth'
assignee = 'tarek'
closed = True
closed_date = <Date 2012-07-13.12:33:57.695>
closer = 'dholth'
components = ['Distutils2']
creation = <Date 2011-03-21.17:31:46.027>
creator = 'dholth'
dependencies = []
files = []
hgrepos = []
issue_num = 11624
keywords = []
message_count = 3.0
messages = ['131677', '131700', '165375']
nosy_count = 4.0
nosy_names = ['tarek', 'eric.araujo', 'dholth', 'alexis']
pr_nums = []
priority = 'normal'
resolution = 'not a bug'
stage = None
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue11624'
versions = ['Python 3.3']

[dholth]

I would like to be able to use distutils to compile a shared library with a different set of exported symbols than the default.

In Windows, distutils only exports certain symbols needed for the Python module initialization API when it compiles a shared module. It does this by passing a file to the C compiler that lists those symbols. In Linux all symbols are exported/visible by default because that's just how the linker has traditionally worked.

I would like to be able to override or augment this list of symbols. Probably by just providing my own 'symbols to export' file.

distutils is definitely the poor man's compiler frontend but this feature would make it easier for me to support Windows (Python's secret shame.)

[merwok]

Would you like to work on a patch?

[dholth]

I must have missed the export_symbols keyword argument to Extension(), or it was added.