Re: [deal.II] Linking warning: could not create compact unwind for ___emutls_get_address: registers 23 and 24 not saved contiguously in frame

[Daniel Arndt]

Praveen,

I'm also seeing this warning and from what I found on the internet it's
harmless. Exception handling might be a bit slower but that's about it.

Best,
Daniel

On Tue, Dec 13, 2022 at 11:22 PM Praveen C  wrote:

> Hello
>
> When compiling deal.ii on macos M1 with clang I get these messages while
> linking
>
> [ 90%] *Linking CXX shared library ../lib/libdeal_II.g.dylib*
>
> ld: warning: could not create compact unwind for ___emutls_get_address:
> registers 23 and 24 not saved contiguously in frame
>
>
> Compiling succeeds and examples seem to run, though I see those warnings
> there also
>
>
> [100%] Built target release
>
> *Consolidate compiler generated dependencies of target step-3*
>
> [ 50%] Building CXX object CMakeFiles/step-3.dir/step-3.cc.o
>
> [100%] *Linking CXX executable step-3*
>
> ld: warning: could not create compact unwind for ___emutls_get_address:
> registers 23 and 24 not saved contiguously in frame
> [100%] Built target step-3
>
> But is this something we can ignore or needs to be fixed ?
>
> Thanks
> praveen
>
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>

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[deal.II] Linking warning: could not create compact unwind for ___emutls_get_address: registers 23 and 24 not saved contiguously in frame

[Praveen C]

Hello

When compiling deal.ii on macos M1 with clang I get these messages while linking

[ 90%] Linking CXX shared library ../lib/libdeal_II.g.dylib
ld: warning: could not create compact unwind for ___emutls_get_address: 
registers 23 and 24 not saved contiguously in frame

Compiling succeeds and examples seem to run, though I see those warnings there 
also


[100%] Built target release
Consolidate compiler generated dependencies of target step-3
[ 50%] Building CXX object CMakeFiles/step-3.dir/step-3.cc.o
[100%] Linking CXX executable step-3
ld: warning: could not create compact unwind for ___emutls_get_address: 
registers 23 and 24 not saved contiguously in frame
[100%] Built target step-3

But is this something we can ignore or needs to be fixed ?

Thanks
praveen

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