Re: Windows 32-bit release build broken when using VS 2019

Yep, you are indeed correct and you figured out why I was receiving the warnings.  😊  But, we’ll want to use your solution, not the change from the pull request since that will reintroduce the performance issue.

 

From: David Bailes <[email protected]> 
Sent: Thursday, March 18, 2021 7:11 AM
To: Audacity Development <[email protected]>
Subject: Re: [Audacity-devel] Windows 32-bit release build broken when using VS 2019

 

On Wed, 17 Mar 2021 at 00:37, Leland <[email protected] <mailto:[email protected]> > wrote:

HAHAHAH!!!! SPOT ON!  Yes, that’s exactly it and David’s suggestion is the exact fix.  I guess I’m a little late to the party.  😃

 

But we’ll also want to wrap the functions in:

 

       #pragma warning( disable : 4163 )

       #pragma warning( default: 4163 )

 

To get rid of a warning induced by the “#pragma function” usage.

 

If you add the line 

#pragma function(lrint, lrintf)    //do not use intrinsic functions

 

there is no need for the #pragma warning lines (llrint and llrintf are not intrinsic).

 

Note this commit:

https://github.com/audacity/audacity/commit/3d90f8074aabe37a912e73392942cc0b99bcde9a

 

David.

 

 

From: John Colket <[email protected] <mailto:[email protected]> > 
Sent: Tuesday, March 16, 2021 5:49 PM
To: Devel <[email protected] <mailto:[email protected]> >
Subject: Re: [Audacity-devel] Windows 32-bit release build broken when using VS 2019

 

David Bailes noted the possibility of re-introducing bug #2457, which I believe may be exactly what you are referring to.  See also https://github.com/audacity/audacity/pull/750.  - John

 

On Tue, Mar 16, 2021 at 6:39 PM Leland <[email protected] <mailto:[email protected]> > wrote:

Incidentally, this was discussed in a forum topic on March 3rd:

 

https://forum.audacityteam.org/viewtopic.php?f=19 <https://forum.audacityteam.org/viewtopic.php?f=19&t=116165&start=10> &t=116165&start=10

 

I didn’t run into the problem until today since I don’t do release builds very often and it doesn’t happen in Debug builds (intrinsics must be disabled in Debug builds).

 

From: Leland <[email protected] <mailto:[email protected]> > 
Sent: Tuesday, March 16, 2021 5:29 PM
To: [email protected] <mailto:[email protected]> 
Subject: [Audacity-devel] Windows 32-bit release build broken when using VS 2019

 

This has started happening within the last few days and, near as I can tell, is due to an update of VS2019.  The last github action build to work was 8 days ago for bug 2688.  It was built using 16.8.3 of VS2019.  The last github action build (for a pull request) failed and it was using 16.9.0 of VS2019.  

 

Sample error messages:

 

2021-03-16T06:34:31.4733984Z   D:\a\audacity\audacity\src\float_cast.h(61,2): error C2169: 'lrint': intrinsic function, cannot be defined (compiling source file D:\a\audacity\audacity\src\AudioIO.cpp) [D:\a\audacity\audacity\build\src\Audacity.vcxproj]

2021-03-16T06:34:31.4735494Z   D:\a\audacity\audacity\src\float_cast.h(73,2): error C2169: 'lrintf': intrinsic function, cannot be defined (compiling source file D:\a\audacity\audacity\src\AudioIO.cpp) [D:\a\audacity\audacity\build\src\Audacity.vcxproj]

 

So the knee-jerk reaction is to simply stop using our versions of the various “rint()” functions.  I tried that a while back and our performance tanked. So, I just it a try again:

 

With 16.9.2 and our “rint” functions removed, exporting a 2 hour projects to WAV takes 2 minutes 34!  Using the last github build that worked (VS 16.8.3) which is using our versions of the “rint” functions takes a mere 17 seconds.

 

I’m still looking for a better solution than just trashing our “rint” functions and whether the VS 16.8 vs is VS 16.9 is causing the problem.

 

I bring this up because you know folks are going to start building with 16.9 since it’s the latest downloadable from Microsort.

 

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