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Message-ID: <a896a155-c590-494b-adcd-237c87c205c2@dronecode.org.uk>
Date: Tue, 13 Feb 2024 16:09:08 +0000
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Subject: Re: cygport 0.36.8-1
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To: Christian Franke via Cygwin <cygwin AT cygwin DOT com>
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From: Jon Turney via Cygwin <cygwin AT cygwin DOT com>
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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.

> 
> Also gcc builtin specs show that --file-prefix-map is not handled for asm:
> 
> $ gcc -dumpspecs | fgrep -A1 '*asm_debug:'
> *asm_debug:
> %{%:debug-level-gt(0):%{gstabs*:--gstabs;:%{g*:}}} 
> %{fdebug-prefix-map=*:--debug-prefix-map %*}
> 

This kind of seems like a bug.


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