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Hi
I'm using visual studio 2022 (17.4.5) with OneApi tool kit 2023.0.0
I'm getting the following error when activating the /MP flag in my intel c++ 2023 project
TRACKEDEXEC : error : default calling convention differs in PCH file vs. current file
if I'm using intel processor-specific Optimization I'm also getting :
PCH file was compiled for the target CPU 'core-avx2' but the current translation unit is being compiled for target 'x86-64'
the temporary workaround is to disable the usage of precompiled headers.
is this a known issue?
Virtual machine:
Win 10 (21H2)
16GB
with intel xeon gold 6256 CPU
icx-cl command log:
C:\***\STDAFX.CPP
/c /Qm64 /Zi /nologo /W3 /WX /O3 /Ob2 /Oi /Ot /D __INTEL_LLVM_COMPILER=20230000 /D _USRDLL /D _ATL_ATTRIBUTES /D NDEBUG /D /D _WINDOWS /D _CRT_SECURE_NO_WARNINGS /D _CRT_SECURE_NO_DEPRECATE /D _HAS_ITERATOR_DEBUGGING=0 /D _WINDLL /D _UNICODE /D UNICODE /EHa /MD /GS- /fp:fast /QxCORE-AVX2 /Zc:forScope /Yc"stdafx.h" /Fp"C:\***.PCH" /Fo"C:\***\\" /TP /Zc:wchar_t- /bigobj C:\***\STDAFX.CPP
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Hi,
Thanks for providing the details. We were able to reproduce your issue. This is a known issue with ICX compiler.
We have provided your feedback to the relevant team. At this moment there is no visibility of when it will be implemented and available for use. Please let me know if we can go ahead and close this case.
Thanks & Regards,
Santosh
Link Copied
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Hi,
Thanks for posting in Intel communities.
Could you please provide us with a sample reproducer code & complete steps to reproduce your issue from our end?
Also, please confirm which compiler you were using? And provide us the ouput of the below command after initializing the Intel oneAPI environment:
sycl-ls
Thanks & Regards,
Santosh
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Steps to reproduce:
please find attached a simple console application:
step to reproduce:
1.create console applicaiton
2. add stafx.h
3. convert the project to intel c++2023
4. C++->precomplied headers->precomplied headers-> create Yc
5. build project
6. C++->precomplied headers->precomplied headers-> use (Yu)
7. C++->General-> MultiProcessor Compilation Yes(/MP)
8. Compile:
the following error will appear:
error: default calling convention differs in PCH file vs. current file
I also notice that if after step 4 I add an additional empty class and run build , the compiler sends a message:
support for '/Yc' with more than one source file not implemented yet; flag ignored [-Wclang-cl-pch]argument unused during compilation: '/Fpx64\Debug\ConsoleApplication1.pch' [-Wunused-command-line-argument]
Mordi
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Hi,
Thanks for providing the details. We were able to reproduce your issue. This is a known issue with ICX compiler.
We have provided your feedback to the relevant team. At this moment there is no visibility of when it will be implemented and available for use. Please let me know if we can go ahead and close this case.
Thanks & Regards,
Santosh
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Hi,
Thanks for confirming. This thread will no longer be monitored by Intel. If you need further assistance, please post a new question.
Thanks & Regards,
Santosh
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