Cperkins prepare install sycl jit#71

Draft

cperkinsintel wants to merge 9 commits intosyclfrom

cperkins-PREPARE-install-sycl-jit

Commits on Oct 7, 2025

use opencl-resource-headers from clang headers as dependency rather than all-of-clang to avoid race condition that causes generate to race with building/renaming
cperkinsintel
committed

Commits on Oct 17, 2025

interim. needs formatting
cperkinsintel
committed

Commits on Oct 20, 2025

configures, builds, installs, but sycl-jit needs to be built separately
cperkinsintel
committed

Commits on Oct 21, 2025

Commits on Oct 22, 2025