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Subject: Re: cygport 0.36.8-1
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Date: Wed, 14 Feb 2024 11:47:52 +0100
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From: Christian Franke via Cygwin <cygwin AT cygwin DOT com>
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Jon Turney via Cygwin wrote:
> On 13/02/2024 13:02, Christian Franke via Cygwin wrote:
>> Jon Turney via Cygwin wrote:
>>> On 12/02/2024 16:49, ASSI via Cygwin wrote:
>>>> Christian Franke via Cygwin writes:
>>>>> This requires that always the same build directory is used.
>>>>
>>>> Would that be solvable by using -ffile-prefix-map or is there more to
>>>> it?
>>>
>>> That should now be used in 0.36.8, so something else leaking the 
>>> local build directory into the package, perhaps
>>
>> A closer look shows that (only) the pathnames of the assembly (*.S) 
>> files in cygwin1.dll.dbg now contain the build path instead of the 
>> mapped path:
>>
>> $ strings cygwin1.dll.dbg | grep '^/.*bcopy\.S$' | uniq
>> /tmp/build/cygwin-3.5.0-1.x86_64/src/newlib-cygwin/winsup/cygwin/x86_64/bcopy.S 
>>
>>
>> The paths in the released package are correct:
>>
>> $ strings /usr/lib/debug/usr/bin/cygwin1.dll.dbg | grep 
>> '^/.*bcopy\.S$' | uniq
>> /usr/src/debug/cygwin-3.5.0-1/winsup/cygwin/x86_64/bcopy.S
>>
>> The regression was introduced by cygport commit 9e82685 in 
>> conjunction with the fact that --file-prefix-map has no effect on *.S 
>> files:
>
> Great.  I guess that means we need to use both options.

If both --file-prefix-map and --debug-prefix-map are used in cygport, 
Cygwin 3.5.0-1 build is apparently reproducible.regardless of build path.


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