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[hypre]: 64-bit integer support#3383

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victorapm wants to merge 3 commits intospack:developfrom
victorapm:hypre-int64
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[hypre]: 64-bit integer support#3383
victorapm wants to merge 3 commits intospack:developfrom
victorapm:hypre-int64

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@victorapm victorapm commented Feb 12, 2026

  • Add logic in hypre for not allowing building with full 64-bit integers support and external BLAS/LAPACK (which is 32-bit by default). Note that building hypre +lapack +mixedint is still allowed
  • Update petsc +hypre+int64 so it asks for hypre+mixedint instead of hypre+int64. The new method is the preferred way of getting 64-bit integers support in hypre

Related to issue hypre-space/hypre#1467

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