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Re: [PATCH] build-many-glibcs: Remove no_isolate from SH config


On Tue, 14 Mar 2017, Adhemerval Zanella wrote:

> > This code is present in glibc purely for compat symbols, which are only 
> > exported on a limited number of architectures, which do not include SH.  
> > Thus, I'd favour arranging for the code only to be built at all for those 
> > architectures (i386 m68k powerpc32 s390-32; ia64 also exports these 
> > symbols, but from a separate implementation), and not for any other 32-bit 
> > architecture (and if such architectures need these functions in glibc, 
> > they will get them from libgcc.a).  That would of course need 
> > build-many-glibcs tests to make sure it doesn't break anything.
> > 
> 
> Right, I will follow this idea then.

Note that this code goes along with the symbol-hacks.h code that redirects 
__divdi3 to __divdi3_internal etc. - that code will also need to be 
disabled except for the four architectures that actually export code from 
divdi3.c.

-- 
Joseph S. Myers
joseph@codesourcery.com


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