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[Bug libc/22951] libieee.a is used by gcc


https://sourceware.org/bugzilla/show_bug.cgi?id=22951

Carlos O'Donell <carlos at redhat dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |carlos at redhat dot com

--- Comment #1 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to Andreas Schwab from comment #0)
> gcc -mieee-fp wants to link against -lieee.

There is a question of what action we take if the user requests to use an
interface that is no longer supported.

In the case of linking with libieee.a the user has requested to use an
interface, particularly matherr and _LIB_VERSION, which are no longer
supported.

It was probably the idea that the easiest way to give the user feedback about
this new requirement was to just error out because libieee.a is no longer
supplied.

If we add back libieee.a we need to make sure we catch all of these cases and
don't accidentally allow the user to link a program expecting say SVID
semantics but instead getting IEEE and having their program do the wrong thing.

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