[RFC][PATCH] New configure option "--disable-ifunc"

Carlos O'Donell carlos@redhat.com
Wed May 13 17:30:00 GMT 2015


On 05/13/2015 01:25 PM, Joseph Myers wrote:
> On Wed, 13 May 2015, Maria Guseva wrote:
> 
>> We faced issues when Glibc was used with Prelink. As I know the latest
>> Prelink supports ifuncs but older versions are not working correctly with
>> it. We need to disable ifuncs in Glibc for such case.
> 
> This seems like a case for simply saying that old prelink won't work with 
> new glibc, rather than doubling the number of glibc configurations.

Agreed.

Or at best making --disable-multi-arch disable all current uses of IFUNC,
and or fixing the configure.ac code that turns on IFUNC automatically if
multi-arch is set to default and the linker supports IFUNCs.

Cheers,
Carlos.



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