[libclc] build libclc as LLVM runtime#21221
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sarnex merged 8 commits intointel:syclfrom Feb 27, 2026
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Upstream commit a3a15f3 moved libclc from LLVM_ALL_PROJECTS to LLVM_DEFAULT_RUNTIMES. libclc should be built as a runtime.
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BMG fail |
sarnex
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Feb 9, 2026
| cmake_cmd.extend( | ||
| [ | ||
| "-DLLVM_ENABLE_RUNTIMES={}".format(llvm_enable_runtimes), | ||
| "-DLLVM_ENABLE_RUNTIMES={}".format(llvm_enable_runtimes.lstrip(";")), |
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LLVM_ENABLE_RUNTIMES initial value is empty string, this change allows use appending LLVM_ENABLE_RUNTIMES with ";xxx" without the need to check if LLVM_ENABLE_RUNTIMES is empty, see 0753bc0
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probably we technically should have the same lstrip on all appended variables but i think thats out of scope here, thx
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kindly ping @bratpiorka @intel/llvm-reviewers-cuda for review |
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@intel/llvm-gatekeepers please consider merging |
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Reverts #21221 libclc-remangler links against Clang/LLVM libraries built with the host compiler, but the tool itself is built with the just-built Clang. This causes an ABI issue around std::optional parameter in MemoryBuffer::getFileOrSTDIN. Jira: CMPLRLLVM-73868
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Cherry-pick upstream commit a3a15f3 which moves libclc from LLVM_ALL_PROJECTS to LLVM_DEFAULT_RUNTIMES. Update configure, build and deploy to enable libclc runtime build. jira: CMPLRLLVM-73202 (cherry picked from commit f3962f6) Also cherry-pick from intel#21403 to w/a libclc-remangler ABI mismatch on RHEL 8. This PR is for sycl-web and I'll follow-up in sycl branch to remove libclc-remangler tool.
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Cherry-pick upstream commit a3a15f3 which moves libclc from LLVM_ALL_PROJECTS to LLVM_DEFAULT_RUNTIMES. Update configure, build and deploy to enable libclc runtime build. jira: CMPLRLLVM-73202 (cherry picked from commit f3962f6) Also cherry-pick from intel#21403 to w/a libclc-remangler ABI mismatch on RHEL 8. This PR is temporary fix to unblock sycl-web and I'll follow-up in sycl branch to remove libclc-remangler tool.
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Cherry-pick upstream commit a3a15f3 which moves libclc from LLVM_ALL_PROJECTS to LLVM_DEFAULT_RUNTIMES. Update configure, build and deploy to enable libclc runtime build. jira: CMPLRLLVM-73202 (cherry picked from commit f3962f6) Also cherry-pick from #21403 to w/a libclc-remangler ABI mismatch on RHEL 8. This PR is temporary fix to unblock sycl-web and I'll follow-up in sycl branch to remove libclc-remangler tool.
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Cherry-pick upstream commit a3a15f3 which moves libclc from LLVM_ALL_PROJECTS to LLVM_DEFAULT_RUNTIMES.
Update configure, build and deploy to enable libclc runtime build.
jira: CMPLRLLVM-73202