Note about include-fixed and limits.h

DJ Lucas dj at linuxfromscratch.org
Thu Mar 18 16:53:52 PDT 2010


On 03/18/2010 02:05 PM, Bruce Dubbs wrote:
> Chris Staub wrote:
>> On the Chapter 6 GCC page, there is this...
>>
>> Note
>> As of version 4.3.0, GCC now unconditionally installs the limits.h file 
>> into the private include-fixed directory, and that directory is required 
>> to be in place.
>>
>> I don't really understand the necessity for this. I mean, I certainly 
>> know what it's saying, but why does it need to be said? In other words, 
>> who is this note targeted to? I'd think that anyone who would be likely 
>> to know that directory even exists (really, how many casual users - or 
>> even LFS builders - regularly inspect the contents of /usr/lib/gcc?) 
>> would already know that it should be there anyway.
>>
>> If this note does stay, it should also give at least a quick explanation 
>> for what include-fixed is for.
> 
> That note was added by DJ in October 2008 in response to Ticket 2229 
> created by Randy.
> 
> http://wiki.linuxfromscratch.org/lfs/ticket/2229
> 
> I'm not sure the note really adds anything useful for LFS.  Randy or DJ, 
> would you like to comment?

It doesn't really add any value now.  At the time it was introduced, it
was a change in the new version of GCC that required a few patches in
both books...put there mainly to guide as to what might need fixing in
other packages.  Even Glibc needed a patch at the time.

-- DJ Lucas

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