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With CONFIG_INIT_STACK_ALL_ZERO enabled, bindgen passes -ftrivial-auto-var-init=zero to clang, that triggers the following error: error: '-ftrivial-auto-var-init=zero' hasn't been enabled; enable it at your own peril for benchmarking purpose only with '-enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang' However, this additional option that is currently required by clang is deprecated since clang-16 and going to be removed in the future, likely with clang-18. So, make sure bindgen is using this extra option if the major version of the libclang used by bindgen is < 16. In this way we can enable CONFIG_INIT_STACK_ALL_ZERO with CONFIG_RUST without triggering any build error. Link: https://github.com/llvm/llvm-project/issues/44842 Link: https://github.com/llvm/llvm-project/blob/llvmorg-16.0.0-rc2/clang/docs/ReleaseNotes.rst#deprecated-compiler-flags Signed-off-by: Andrea Righi <andrea.righi@canonical.com> Reviewed-by: Kees Cook <keescook@chromium.org> [Changed to < 16, added link and reworded] Signed-off-by: Miguel Ojeda <ojeda@kernel.org> |
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| bindings | ||
| kernel | ||
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| .gitignore | ||
| bindgen_parameters | ||
| build_error.rs | ||
| compiler_builtins.rs | ||
| exports.c | ||
| helpers.c | ||
| Makefile | ||