Use local dynamic libraries rather than jll binaries#235
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We now have 2 options:
# Option 1: point directly to your library (sets libs AND skips JLL)
export JULIA_PETSC_LIBRARY=/path/to/libpetsc.so
# Option 2: skip JLL, then use set_petsclib() in your script
export JULIA_PETSC_SKIP_JLL=1
With option 2, getlib() won't work (no libs registered), but set_petsclib("/path/to/libpetsc.so") gives you full control over scalar/int types.
export JULIA_PETSC_LIBRARY=/path/to/libpetsc.so export JULIA_PETSC_SCALAR=Float64 # Float32 | ComplexFloat64 | ComplexFloat32 export JULIA_PETSC_INT=Int64 # Int32
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I always find environment variables a bit fragile. For LAMMPS.jl I provided a solution using preferences. |
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thanks! Trying that instead now. |
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By default, we use PETSc_jll binaries.
In some cases, you may instead want to use your own, locally, compiled version of PETSc, for example because you configured it with GPU support, or because you want additional external packages that we don't provide.
With this PR you can configure them as:
export JULIA_PETSC_LIBRARY=/path/to/libpetsc.soif your library is compiled with 64bit indices and for Float64, this will do the job.
For other choices, you should also provide: