qsort_r and libc.a version?
Larry Hall (Cygwin)
reply-to-list-only-lh@cygwin.com
Thu Feb 6 19:39:00 GMT 2014
On 2/6/2014 2:04 PM, Jim Garrison wrote:
> I tried to build libgit2 so I could try to build gitg but encountered
>
> undefined reference to `qsort_r'
>
> GitHub has a closed issue for this
> https://github.com/libgit2/libgit2/issues/1606 saying that qsort_r was added
> to glibc in version 2.8, released in 2008.
>
> Since libc in Cygwin is part of the base package, how would I find out
> which upstream version it's based on?
Cygwin uses newlib for its C library. From what I can see, qsort is there
but qsort_r isn't.
> There was a commit in libgit2 that was supposed to fix this :
>
> https://github.com/libgit2/libgit2/commit/0d77647adc1f76df66e437e6442d7f7706e2c38e#diff-bb2cd4651768482b99cb1c52d29ceffdR694
>
> but I don't know enough about Cygwin internals to determine why it still
> fails on Cygwin.
The problem with that patch is that it doesn't take Cygwin into account.
If you append a check for Cygwin there as well (i.e. defined(__CYGWIN__) )
then that should resolve the compile issue.
--
Larry
_____________________________________________________________________
A: Yes.
> Q: Are you sure?
>> A: Because it reverses the logical flow of conversation.
>>> Q: Why is top posting annoying in email?
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