Oh oh, no need. I know what is going on. This is a well-documented bug
in old versions of gas.

You'll find notes to this effect throughout lots of old GMP assembly
files, along with workarounds.

Another reason to use yasm for *everything*.

Anyhow, this ought not affect our release. Anyone making a fat binary
should use a modern system, kernel, binutils, compiler, etc for best
performance.

But this bug will get fixed when we fix the Sun as bug. I'll update the ticket.

Bill.

2009/3/16 Bill Hart <goodwillh...@googlemail.com>:
> Jeff, if you haven't already cleaned up after the failure, could you
> please post the contents of mpn/tmp-fat_entry.s to the list.
>
> Blank lines at the start can be omitted.
>
> Bill.
>
> 2009/3/15 Jason Moxham <ja...@njkfrudils.plus.com>:
>>
>> On Sunday 15 March 2009 23:36:29 Bill Hart wrote:
>>> This actually looks like the same problem that causes the fat build to
>>> fail with the Sun assembler.
>>>
>>> The code is definitely correct, with PIC and non-PIC sections. So we
>>> infer that either:
>>>
>>> 1) PIC is not being passed correctly to gas/Sun as
>>>
>>> 2) M4 is screwing up
>>>
>>> 3) Certain versions of gas have a bug
>>>
>>> Here is the relevant section of Jeff's log:
>>>
>>> /bin/sh ../libtool --mode=compile --tag=CC ../mpn/m4-ccas --m4="m4"
>>> gcc -std=gnu99 -c -DHAVE_CONFIG_H    -O2 -m64 -D__GMP_WITHIN_GMP -I..
>>> -DOPERATION_`echo fat_entry | sed 's/_$//'` -I. -I..  `test -f
>>> 'fat_entry.asm' || echo './'`fat_entry.asm
>>>  ../mpn/m4-ccas --m4=m4 gcc -std=gnu99 -c -DHAVE_CONFIG_H -O2 -m64
>>> -D__GMP_WITHIN_GMP -I.. -DOPERATION_fat_entry -I. -I.. fat_entry.asm
>>> -fPIC -DPIC -o .libs/fat_entry.o
>>> m4  -DHAVE_CONFIG_H -D__GMP_WITHIN_GMP -DOPERATION_fat_entry -DPIC
>>> fat_entry.asm >tmp-fat_entry.s
>>>  gcc -std=gnu99 -c -DHAVE_CONFIG_H -O2 -m64 -D__GMP_WITHIN_GMP -I..
>>> -DOPERATION_fat_entry -I. -I.. tmp-fat_entry.s -fPIC -DPIC -o
>>> .libs/fat_entry.o
>>>  ../mpn/m4-ccas --m4=m4 gcc -std=gnu99 -c -DHAVE_CONFIG_H -O2 -m64
>>> -D__GMP_WITHIN_GMP -I.. -DOPERATION_fat_entry -I. -I.. fat_entry.asm
>>> -o fat_entry.o >/dev/null 2>&1
>>>
>>> It's not jumping out at me!
>>>
>>> Bill.
>>>
>

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