[flang] Support discovering LLVM/Clang/MLIR without explicit *_DIR #122639
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Support discovering LLVM, Clang and MLIR via the standard CMake logic in addition to explicitly specified `LLVM_DIR`, etc. To prevent breaking anyone's workflow the way llvm#120914 did, this change explicitly introduces two possible code paths based on variables provided: 1. If `LLVM_DIR`, etc. are defined, the current logic is used as-is. 2. If they are not defined, `find_package()` is called normally to discover the packages using the standard CMake logic, and the discovered paths are added
MaskRay
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Jan 13, 2025
luporl
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Jan 13, 2025
vzakhari
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Jan 13, 2025
Co-authored-by: Slava Zakharin <[email protected]>
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…lvm#122639) Support discovering LLVM, Clang and MLIR via the standard CMake logic in addition to explicitly specified `LLVM_DIR`, etc. To prevent breaking anyone's workflow the way llvm#120914 did, this change explicitly introduces two possible code paths based on variables provided: 1. If `LLVM_DIR`, etc. are defined, the current logic is used as-is. 2. If they are not defined, `find_package()` is called normally to discover the packages using the standard CMake logic, and the discovered paths are added --------- Co-authored-by: Slava Zakharin <[email protected]>
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Support discovering LLVM, Clang and MLIR via the standard CMake logic in addition to explicitly specified
LLVM_DIR, etc. To prevent breaking anyone's workflow the way #120914 did, this change explicitly introduces two possible code paths based on variables provided:If
LLVM_DIR, etc. are defined, the current logic is used as-is.If they are not defined,
find_package()is called normally to discover the packages using the standard CMake logic, and the discovered paths are added