[ 64%] Building CXX object src/CMakeFiles/rebel_lib.dir/common/coordinate_system.cpp.o
[ 65%] Building CXX object src/CMakeFiles/rebel_lib.dir/common/FFTW_interface.cpp.o
[ 65%] Building CXX object src/CMakeFiles/rebel_lib.dir/common/fileIO.cpp.o
[ 66%] Building CXX object src/CMakeFiles/rebel_lib.dir/common/lapacke_interface.cpp.o
[ 66%] Building CXX object src/CMakeFiles/rebel_lib.dir/common/petsc_extensions.cpp.o
In file included from /mnt/scratch/bchapman/rebel/src/common/petsc_extensions.cpp:7:
In file included from /mnt/scratch/bchapman/rebel/src/common/petsc_extensions.h:14:
In file included from /mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscksp.h:6:
In file included from /mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscpc.h:6:
In file included from /mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscmat.h:6:
In file included from /mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscvec.h:8:
In file included from /mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscsys.h:193:
/mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscmath.h:429:45: error: unknown type name '__complex128'
  429 | PETSC_EXTERN MPI_Datatype MPIU___COMPLEX128 MPIU___COMPLEX128_ATTR_TAG;
      |                                             ^
/mnt/scratch/bchapman/rebel/build/external/builds/petsc-3.21.0/include/petscmath.h:424:71: note: expanded from macro 'MPIU___COMPLEX128_ATTR_TAG'
  424 |       #define MPIU___COMPLEX128_ATTR_TAG PETSC_ATTRIBUTE_MPI_TYPE_TAG(__complex128)
      |                                                                       ^
/mnt/scratch/bchapman/rebel/src/common/petsc_extensions.cpp:2570:13: warning: decomposition declarations are a C++17 extension [-Wc++17-extensions]
 2570 |         const auto [min, max] = std::minmax_element(std::begin(s), std::end(s));
      |                    ^~~~~~~~~~
1 warning and 1 error generated.
make[2]: *** [src/CMakeFiles/rebel_lib.dir/build.make:132: src/CMakeFiles/rebel_lib.dir/common/petsc_extensions.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:772: src/CMakeFiles/rebel_lib.dir/all] Error 2
make: *** [Makefile:136: all] Error 2