add CMake build system #680

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1. jeffhammond

   self-assigned this

   on Sep 21, 2026
2. yapolyak commented on Oct 9, 2026

   

   yapolyak

   on Oct 9, 2026

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   Currently seems to be broken in trunk? Old build system doesn't seem to work, and with cmake I am getting:

   CMake Error at OPENMP/CMakeLists.txt:57 (add_executable):
     Cannot find source file:
   
       Branch/func.c
   
     Tried extensions .c .C .c++ .cc .cpp .cxx .cu .mpp .m .M .mm .ixx .cppm
     .ccm .cxxm .c++m .h .hh .h++ .hm .hpp .hxx .in .txx .f .F .for .f77 .f90
     .f95 .f03 .hip .ispc
   Call Stack (most recent call first):
     OPENMP/CMakeLists.txt:159 (prk_openmp_executable)
   
   
   CMake Error at OPENMP/CMakeLists.txt:57 (add_executable):
     No SOURCES given to target: openmp_branch
   Call Stack (most recent call first):
     OPENMP/CMakeLists.txt:159 (prk_openmp_executable)
   
3. yapolyak commented on Oct 9, 2026

   

   yapolyak

   on Oct 9, 2026

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   Also docs don't mention cmake yet :)
4. jeffhammond commented on Oct 9, 2026

   

   jeffhammond

   on Oct 9, 2026

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   Sorry, I suppose I didn't test enough. I will work on it now.

   👍React with 👍1Reacted by Iakov Polyak
5. jeffhammond commented on Oct 9, 2026

   

   jeffhammond

   on Oct 9, 2026

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   see #684 and let me know if it works

   👍React with 👍1Reacted by Iakov Polyak
6. jeffhammond

   closed this as completedin 0e5a68bon Oct 10, 2026
7. BTMichalowicz

   added a commit that references this issue on Oct 14, 2026

   Fix OPENMP CMake build: generate Branch/func.c instead of assuming it…

   ...

   0e5a68b
8. yapolyak commented on Oct 15, 2026

   

   yapolyak

   on Oct 15, 2026

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   Thank you! It configures now but the build still failed for me on a Cray MPICH system - but I used all the defaults so might need to check configs.
9. jeffhammond commented on Oct 15, 2026

   

   jeffhammond

   on Oct 15, 2026

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   Haven't tested Cray in a while but I can do it tomorrow.
10. jeffhammond commented on Oct 17, 2026

    

    jeffhammond

    on Oct 17, 2026

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    On NAISS Arrhenius, I had to module load buildenv-gcc/2026.03-mpich to find MPI. It will be different on other Cray systems. Do you see MPI in your path as mpicc or the Cray PE wrappers cc?