[2.23 PATCH] Desupport regexp.h (bug 18681)

[Carlos O'Donell]

On 08/17/2015 12:53 PM, Joseph Myers wrote:
> On Mon, 17 Aug 2015, Carlos O'Donell wrote:
> 
>> One of the big benefits of -Wundef -Werror was to prevent this kind
>> of error from happening. We made the build use -Wundef, and that way
>> if you failed to define the right things in Versions it would fail
>> the build (see the problem we had with librt symbols in 2.18 that
>> prompted the entire -Wundef work).
>>
>> How was Zack able to build glibc at all?
> 
> We never removed -Wno-error=undef, because while we got the glibc build 
> itself clean from -Wundef warnings, we didn't achieve that for the 
> testsuite.
> 

Dag nabit. OK, I guess I know what I'm doing for 2.23.

c.