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cmd/cgo, cmd/ld: support weak imports on OS X #3141

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mkrautz opened this issue Feb 27, 2012 · 5 comments
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cmd/cgo, cmd/ld: support weak imports on OS X #3141

mkrautz opened this issue Feb 27, 2012 · 5 comments
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Go1.1

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@mkrautz
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mkrautz commented Feb 27, 2012 

Weak imports are currently not treated correctly. Most likely, ld does not have the
knowledge to handle weak imports, and simply ignores them.

Weak imports are important for cross-version API compatibility on OS X, allowing you to
check for the availability of APIs at runtime, without embedding a hard dependency on
that symbol into the binary.

See https://golang.org/issue/3131 for a example of where this is an
issue.
@dsymonds
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Comment 1:

Over to rsc to prioritise.

Labels changed: added priority-go1, cgo, removed priority-triage.

Owner changed to @rsc.

@rsc
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rsc commented Feb 28, 2012

Comment 2:

This can be fixed after Go 1.  We got package tls working.

Status changed to Priority-Later.

@minux
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minux commented Feb 28, 2012

Comment 3:

Labels changed: added priority-later, removed priority-go1.

Status changed to Accepted.

@rsc
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rsc commented Sep 12, 2012

Comment 5:

Labels changed: added go1.1maybe.

@rsc
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rsc commented Mar 11, 2013

Comment 6:

This will be supported by making gcc do the final link. That's issue #4069.

Status changed to Duplicate.

Merged into issue #4069.

@rsc rsc mentioned this issue Dec 8, 2014
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@rsc rsc added this to the Go1.1 milestone Apr 14, 2015
@rsc rsc removed the go1.1maybe label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 24, 2016
@rsc rsc removed their assignment Jun 22, 2022
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@dsymonds @mkrautz @rsc @minux @gopherbot