Update to C++20, spack 1.2.0 and package updates - #1912

Merged

bmhan12 merged 66 commits into

feature/han12/c_20

Aug 3, 2026

Commits on Jul 9, 2026

Wip - intel compiler not working
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c6c96b6
Use namespaced umpire::
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4d9d029
Trying newer spack-packages commit for cxxstd 20 for raja
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314d041
Test versions for raja and umpire
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623d849
Set mfem to use cxxstd=20
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953de46
Try updating to cray-mpich 9.0.1
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89db3cd
seemingly working raja pre-std::memcpy change
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7b2cee2
Add workaround for wrong gcc-toolset 12 for C++20 with +fortran
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ea778fd
Revert "Try updating to cray-mpich 9.0.1" - mfem hangs with newer MPI
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552dcd9
Attempt to upgrade HIP compilers - rocm@7.2.1 deadlocks with caliper
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feef0ba
Update to spack 1.2 and spack-packages 6/26
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13bf431
Workaround for spack gmake error related to nanobind
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1ba06e9
HIP related changes - added a patch to cce recipe, cce@21 no longer requires openmp flags, guard old usage
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bc59a7c
Tentative workaround for cuda core_flatmap insert_batched_with_existing failure
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ba237bb
Update to blt 0.7.2
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5a48776
Small recipe fixes for axom and cce
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8ff7719
Attempt to update other package versions in versions.yaml
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595a2cb
Fix deadlock issue with rocm@7.2.1 by building caliper~shared - now have both mfem and caliper enabled
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fb2805a
Update spack-packages commit to include cuda 13 enablement
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a325849
Rolling back some of the package updates due to failures, CUDA 13.1 working, but requires two in-flight raja PRs
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30f1850
Anticipating compiler change for docker clang
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a4e1c21
Remove intel testing variants, caliped~shared fix is an anomaly
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15b7510
Update version hashes, give more descript descriptions
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35bd06e
Update RZ host-configs - remove older HIP compilers
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fc8e2df
Update windows version and hashes
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87253c6
vcpkg - umpire needs C++20
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1ccab67
Fix for sparsehash with msvc and cuda

kennyweiss
authored and
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7e7f125
Update CZ host-configs - remove older HIP compilers
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993e34f
Update Gitlab CI HIP configs
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49343d0
Lambda capture warnings for C++20 gcc fix
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321cb6e

Commits on Jul 13, 2026

Commits on Jul 22, 2026

Commits on Jul 23, 2026

Commits on Jul 24, 2026

Update CZ host-configs with newer mfem
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488cd4c
Merge branch 'develop' into feature/han12/c_20
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fbd3ae5
Update RZ configs with newer mfem
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84d7a75
Merge branch 'develop' into feature/han12/c_20
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5ce7257
Update docker tag and host-configs
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63627de
vcpkg - try without slib/libaec - 429 error when downloading (develop same issue)
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39209b2
Update vcpkg for mfem
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703f043
Try modified vcpkg.json for hdf5
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ee6ef9e

Commits on Jul 27, 2026

Commits on Jul 28, 2026

Commits on Jul 29, 2026

Backport spack-packages styling; correct C++20 cxxstd conflict to right version
bmhan12
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92ba485
Define BLT_CXX_STD in the general case
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ea0cd6d
Merge branch 'develop' into feature/han12/c_20
bmhan12
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7fbb09b

Commits on Jul 31, 2026

Merge branch 'develop' into feature/han12/c_20
bmhan12
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cf6690f
Cleanup error with compiler_flag_unused_local_typedef test with intel config
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2fbb0d9
Merge branch 'develop' into feature/han12/c_20
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cf12401
Workaround for rehashing with CUDA C++20 std
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57660e5
Add host device decorations for HIP compilation
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8953d19
Guard construction on the host
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39e3a0f

Commits on Aug 3, 2026

Merge pull request #1926 from llnl/bugfix/han12/cuda_rehash
bmhan12
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90fe175