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| -rw-r--r-- | src/lib.rs | 15 |
1 files changed, 15 insertions, 0 deletions
@@ -191,6 +191,21 @@ impl Default for CodegenConfig { /// 4. Rustified enum /// /// If none of the above patterns match, then bindgen will generate a set of Rust constants. +/// +/// # Clang arguments +/// +/// Extra arguments can be passed to with clang: +/// 1. [`clang_arg()`](#method.clang_arg): takes a single argument +/// 2. [`clang_args()`](#method.clang_args): takes an iterator of arguments +/// 3. `BINDGEN_EXTRA_CLANG_ARGS` environment variable: whitespace separate +/// environment variable of arguments +/// +/// Clang arguments specific to your crate should be added via the +/// `clang_arg()`/`clang_args()` methods. +/// +/// End-users of the crate may need to set the `BINDGEN_EXTRA_CLANG_ARGS` environment variable to +/// add additional arguments. For example, to build against a different sysroot a user could set +/// `BINDGEN_EXTRA_CLANG_ARGS` to `--sysroot=/path/to/sysroot`. #[derive(Debug, Default)] pub struct Builder { options: BindgenOptions, |