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Re: Symbol versioning question
>>>>> Steve Dunham writes:
Steve> hjl@lucon.org (H.J. Lu) writes:
>> glibc 2.1 is still in beta. I added those popen stuff to fix a bug.
>> You may have to recompile all the libraries against the new glibc
>> 2.1.
Steve> I thought this was the case. I just wanted to make sure it was correct
Steve> behaviour for "ld" to not see that the "popen@@GLIBC_2.0" symbol was
Steve> made available by "libc.so.6". (It essentially was claiming that a
Steve> symbol which was there didn't exist.)
popen's default version has been changed from 2.0 to 2.1:
1998-11-21 H.J. Lu <hjl@gnu.org>
* libio/Versions (_IO_popen, _IO_proc_open, _IO_proc_close,
popen, pclose): Add to GLIBC_2.1.
Steve> I assume there is a technical reason why ld doesn't or shouldn't know
Steve> about the existence of the older symbol?
You're right. This is needed for compatibility with glibc 2.0.
Andreas
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Andreas Jaeger aj@arthur.rhein-neckar.de jaeger@informatik.uni-kl.de
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