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Generation of an executable's library file when python is built is static #88267
Description
| BPO | 44101 |
|---|---|
| Nosy | @pfmoore, @tjguk, @zware, @zooba, @lakor64 |
| Files |
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 = None
created_at = <Date 2021-05-10.11:27:58.956>
labels = ['type-bug', 'OS-windows', '3.11']
title = "Generation of an executable's library file when python is built is static"
updated_at = <Date 2021-05-10.11:27:58.956>
user = 'https://github.com/lakor64'bugs.python.org fields:
activity = <Date 2021-05-10.11:27:58.956>
actor = 'lakor64'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Windows']
creation = <Date 2021-05-10.11:27:58.956>
creator = 'lakor64'
dependencies = []
files = ['50031']
hgrepos = []
issue_num = 44101
keywords = ['patch']
message_count = 1.0
messages = ['393377']
nosy_count = 5.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'steve.dower', 'lakor64']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44101'
versions = ['Python 3.11']
Activity
lakor64 commentedon May 10, 2021
When linking any windows application with pythoncore built as a static library, such executable will automatically export all python c api functions and generate a static library.
Exporting functions from a static library is a strange behavour, as I am not aware of any reason why dllimport/export should be used when building a static library.
This behavour oncurrs because python's export.h doesn't know when the library is linked as shared or static.
I have attached a patch that should fix this issue.
Tested under Windows 10 + VS2019, a static linkage of Python3 does not produce any library file anymore, and such exports are no longer visible with Dependencies.
I would like to apology if I got any tag wrong, as it's my first issue here.
pythongh-88267: Avoid exporting functions when a static build is used…
pythongh-88267: Avoid exporting functions when a static build is used…
pythongh-88267: Avoid exporting functions when a static build is used…
gh-88267: Avoid DLL exporting functions from static builds on Windows(G…