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Require libclang 9.0 or newer #2932

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Merged
merged 1 commit into from
Sep 24, 2024
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Require libclang 9.0 or newer #2932

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12 changes: 12 additions & 0 deletions bindgen/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -744,6 +744,18 @@ impl Bindings {
) -> Result<Bindings, BindgenError> {
ensure_libclang_is_loaded();

#[cfg(feature = "runtime")]
match clang_sys::get_library().unwrap().version() {
None => {
warn!("Could not detect a Clang version, make sure you are using libclang 9 or newer");
}
Some(version) => {
if version < clang_sys::Version::V9_0 {
warn!("Detected Clang version {version:?} which is unsupported and can cause invalid code generation, use libclang 9 or newer");
}
}
}

#[cfg(feature = "runtime")]
debug!(
"Generating bindings, libclang at {}",
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2 changes: 1 addition & 1 deletion book/src/requirements.md
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Expand Up @@ -7,7 +7,7 @@ This page lists the requirements for running `bindgen` and how to get them.
`bindgen` leverages `libclang` to preprocess, parse, and type check C and C++
header files.

It is required to use Clang 5.0 or greater.
It is required to use Clang 9.0 or greater.

### Installing Clang

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