build error with AppleClang 14.0.0.14000029

[Rahul Gopalan Ramachandran]

Hello All,

There seems to be a compilation error popping up after updating the Apple clang compilers with the new MacOs update (compiler : AppleClang 14.0.0.14000029). Here is the error, 

/softwares/dealii-9.4.1/source/lac/sparse_direct.cc:104:14: error: non-const lvalue reference to type 'vector<long, allocator<long>>' cannot bind to a value of unrelated type 'vector<types::suitesparse_index, allocator<long long>>'
    tmp.swap(Ap);

I am reaching out to know if anyone else tried recompiling dealii after updating to MacOs Ventura in a Apple Silicon machine? Any suggestions?

Regards,

Rahul

[Wells, David]

Hi Rahul,

This is a bug in deal.II - we wrote "long int" where we should have written "types::suitesparse_index", which won't work on an ARM chip (apparently long long means something different there).

I wrote a patch to fix this - see

https://github.com/dealii/dealii/pull/14720

Best,

David Wells

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From: dea...@googlegroups.com <dea...@googlegroups.com> on behalf of Rahul Gopalan Ramachandran <grrah...@gmail.com>
Sent: Tuesday, January 24, 2023 8:51 AM
To: deal.II User Group <dea...@googlegroups.com>
Subject: [deal.II] build error with AppleClang 14.0.0.14000029

 

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[Rahul Gopalan Ramachandran]

Thank you David! Indeed that solves it. 

Regards,

Rahul

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