GNU bug report logs - #17773
AIX build errors with coreutils-8.22

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From: Michael Felt <mamfelt <at> gmail.com>
To: Pádraig Brady <P <at> draigbrady.com>
Cc: 17773 <at> debbugs.gnu.org
Subject: bug#17773: AIX build errors with coreutils-8.22
Date: Wed, 18 Jun 2014 21:16:04 +0200

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I am confused by what is in git regarding ftoastr.h

The enum code has been around "forever" and not caused a problem. I think
the problem lies elsewhere because version 8.20 builds fine.

root <at> x093:[/data/prj/gnu/coreutils]diff ./coreutils-8.22/lib/ftoastr.h
./coreutils-8.15/lib/ftoastr.h
3c3
<    Copyright (C) 2010-2013 Free Software Foundation, Inc.
---
>    Copyright (C) 2010-2012 Free Software Foundation, Inc.

So, I do not understand the why the change to ftoastr.h is being
considered. The motivation that AIX compiler "has a bug" seems misleading
as this identifer has worked well for ftoast.c for many years.
The simple "include" of ftoastr.h to src/od.c and src/getlimits.c seems to
be making assumptions that ftoastr.c has not. So, maybe there is another
more elegant solution?


On Wed, Jun 18, 2014 at 8:59 PM, Michael Felt <mamfelt <at> gmail.com> wrote:

> Curious why you are calling this a compiler bug. I am not a POSIX nerd,
> but it looks as if the old code was compiler independent, and now it is
> dependent on something.
>
> Just one difference in od.c that shows a change in identifer conventions.
>
> What is the origin of the _GL_* identifiers? "Unix" or "Not Unix"?
>
> from diff -u ./coreutils-8.20/src/od.c ./coreutils-8.22/src/od.c
>
> @@ -1050,8 +1056,8 @@
>  }
>
>  static void
> -format_address_none (uintmax_t address ATTRIBUTE_UNUSED,
> -                     char c ATTRIBUTE_UNUSED)
> +format_address_none (uintmax_t address _GL_UNUSED,
> +                     char c _GL_UNUSED)
>  {
>  }
>
> I also note that the identifiers involved go back to at least coreutils
> 8.9 in ./lib/ftoastr.h
>
> So, this has been known, and managed, for a long time.
>
> It is your code, so you can call it a bug if you wish - I am thinking, for
> now, that it is a dependency on something not found by default when using
> the xlc compilers. But I may be wrong :p <at> me
>
>
> On Fri, Jun 13, 2014 at 5:37 PM, Pádraig Brady <P <at> draigbrady.com> wrote:
>
>> On 06/13/2014 02:38 PM, Michael Felt wrote:
>>
>> > make[2]: Entering directory `/data/prj/gnu/coreutils/coreutils-8.22'
>> >   CC       src/od.o
>> > "src/od.c", line 432.47: 1506-045 (S) Undeclared identifier
>> > _GL_FLT_PREC_BOUND.
>>
>> >   CC       src/getlimits.o
>>
>> > "src/getlimits.c", line 112.53: 1506-045 (S) Undeclared identifier
>> > _GL_LDBL_PREC_BOUND.
>>
>>
>> I think Paul has already avoided this AIX compiler bug,
>> and so this will be fixed in the upcoming coreutils-8.23
>> http://git.sv.gnu.org/gitweb/?p=gnulib.git;a=commitdiff;h=6f053ff1
>>
>> thanks,
>> Pádraig.
>>
>
>

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