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Hi, I am having the following error when trying to build v1. 13. 0 or checkpoint. 1. 14. 0 with the most recent intel compilers and mvapich2: $ ./configure --with-mpi=$MPI_ROOT : : ------------------------------------------------------------------------------</div>
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<meta charset="utf-8"></head><body><pre style="font-family: sans-serif; font-size: 100%; white-space: pre-wrap; word-wrap: break-word">Hi,

I am having the following error when trying to build v1.13.0 or checkpoint.1.14.0 with the most recent intel compilers and mvapich2:

$ ./configure --with-mpi=$MPI_ROOT
:
:
------------------------------------------------------------------------------

   PnetCDF Version 1.14.0

   Features:  Build static libraries                      - yes
              Build shared libraries                      - yes
              Build Fortran APIs                          - yes
              Build C++ APIs                              - yes

   Compilers: MPICC       = /mnt/bbnfs/sw/spack/opt/spack/linux-rocky9-x86_64_v3/oneapi-2025.0.0/mvapich2-2.3.7-1-fceikn42xh6pzcjzczg63nilbh6l73ss/bin/mpicc
              MPICXX      = /mnt/bbnfs/sw/spack/opt/spack/linux-rocky9-x86_64_v3/oneapi-2025.0.0/mvapich2-2.3.7-1-fceikn42xh6pzcjzczg63nilbh6l73ss/bin/mpicxx
              MPIF77      = /mnt/bbnfs/sw/spack/opt/spack/linux-rocky9-x86_64_v3/oneapi-2025.0.0/mvapich2-2.3.7-1-fceikn42xh6pzcjzczg63nilbh6l73ss/bin/mpif77
              MPIF90      = /mnt/bbnfs/sw/spack/opt/spack/linux-rocky9-x86_64_v3/oneapi-2025.0.0/mvapich2-2.3.7-1-fceikn42xh6pzcjzczg63nilbh6l73ss/bin/mpif90
              CFLAGS      = -O2
              CXXFLAGS    = -O2
              FFLAGS      = -g
              FCFLAGS     = -g
              SEQ_CC      = /usr/bin/gcc

$ make -j 8 all
:
:
  CCLD     ncmpigen
/usr/bin/ld: ../../../src/libs/.libs/libpnetcdf.so: undefined reference to `std::ios_base_library_init()'
icx: error: linker command failed with exit code 1 (use -v to see invocation)


Changing SEQ_CC for g++, icx, or icpx does not make a difference.
Any idea?

Blaise

— 
Canada Research Chair in Mathematical and Computational Aspects of Solid Mechanics (Tier 1)
Professor, Department of Mathematics & Statistics
Hamilton Hall room 409A, McMaster University
1280 Main Street West, Hamilton, Ontario L8S 4K1, Canada 
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