Clang: detect `-resource-dir` for `clang-scan-deps` (!9274) · Merge requests · CMake / CMake

Ben Boeckel requested to merge ben.boeckel/cmake:cxxmodules-clang-resource-dir into master Feb 20, 2024

When cross-compiling, clang-scan-deps needs help to find the correct location of core headers such as stddef.h. Always determine this path and pass it when available.

Fixes: #25590 (closed)

Manual-backport: release-3.28
Backport: release

Clang: detect `-resource-dir` for `clang-scan-deps`

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