build: add 64-bit ID option and improve SYCL build configuration #1627
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- Introduced `enable_64bit_ids` (default OFF) to toggle 64-bit index support across VTK-m and Ascent. - Refactored VTK-m and RAJA extra CMake args to use Bash arrays for better quoting and maintainability. - Improved SYCL build support: - Removed hardcoded Kokkos CXX flags. - Added proper SYCL flags for VTK-m and RAJA. - Enabled SYCL in CAMP when `enable_sycl=ON`. - Added relevant entries to `ascent-config.cmake` for SYCL builds. - Reduced `-fsycl-max-parallel-link-jobs` to 20 to prevent OOM during device linking on PVC.
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enable_64bit_ids(default OFF) to toggle 64-bit index support across VTK-m and Ascent.enable_sycl=ON.ascent-config.cmakefor SYCL builds.-fsycl-max-parallel-link-jobsto 20 to prevent OOM during device linking on PVC.