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ABI: Fortran binding on top of core C ABI #6953

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ABI: Fortran binding on top of core C ABI #6953

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Commits on Apr 3, 2024

  1. abi: split fortran related APIs to mpi_abi_fort.h 

    The Fortran related APIs are meant for interoperation from C to Fortran,
and it only can be implemented by a Fortran binding implementation.

Split the header allows an independent Fortran binding implementation.
For most C MPI code, it won't need mpi_abi_fort.h nor a Fortran binding.
For those C code that need Fortran inter-op APIs, they must be linked to
a Fortran binding library, e.g. libmpifort.so and likely also linked to
Fortran runtime.
    @hzhou
    hzhou committed Apr 3, 2024
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  2. abi: build libmpi_abi.so without Fortran parts 

    Skip MPI_Fint, _{f2c,c2f,f2f08,f082f,c2f08,f082c},
MPI_{F,F08}_STATUS(ES)_IGNORE etc.
    @hzhou
    hzhou committed Apr 3, 2024
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  3. python: add custom_dir to load_C_func_list 

    Add an option so different bindings can selectively choose to whether
to only load function defined in the custom_dir or all functions listed
in the binding_dir.
    @hzhou
    hzhou committed Apr 3, 2024
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  4. abi_fortran: copy fortran binding files 

    Start from a duplicate copy.

We'll refactor later. Or, if things work out, the ABI fortran binding
will be the only binding we need.
    @hzhou
    hzhou committed Apr 3, 2024
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  5. abi_fortran: add build files

    @hzhou
    hzhou committed Apr 3, 2024
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  6. abi_fortran: port fortran binding implementations 

    Port MPICH's fortran binding implementation to abi_fortran.
    @hzhou
    hzhou committed Apr 3, 2024
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  7. abi_fortran: reimplement attr_proxy.c 

    Re-implement proxy wrappers for attribute callbacks that does not rely
on internal backdoor functions to pass the Fortran context.
    @hzhou
    hzhou committed Apr 3, 2024
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  8. abi_fortran: build mpif_h

    @hzhou
    hzhou committed Apr 3, 2024
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