43 lines
1.5 KiB
Rust
43 lines
1.5 KiB
Rust
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extern crate bindgen;
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use std::{env, path::PathBuf};
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fn main() {
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let zephyr_sdk_install_dir = PathBuf::from(env::var("ZEPHYR_SDK_INSTALL_DIR").unwrap());
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let bindings = bindgen::Builder::default()
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// Only use core, as we are in embedded land
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.use_core()
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// The input header we would like to generate
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// bindings for.
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.header("src/wrapper.h")
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.clang_args(
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env::var("TARGET_CFLAGS")
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.unwrap()
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.split(' ')
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.filter(|&el| el != "-mfp16-format=ieee" && el != "-fno-reorder-functions"),
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)
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.clang_arg(format!(
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"-I{}",
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zephyr_sdk_install_dir
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.join("arm-zephyr-eabi/arm-zephyr-eabi/sys-include")
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.to_str()
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.unwrap()
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))
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// only allow CONFIG_ defines
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.allowlist_item("^CONFIG_.*")
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files changed.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
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// Finish the builder and generate the bindings.
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.generate()
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// Unwrap the Result and panic on failure.
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.expect("Unable to generate bindings");
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// Write the bindings to the $OUT_DIR/bindings.rs file.
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let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
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bindings
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.write_to_file(out_path.join("bindings.rs"))
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.expect("Couldn't write bindings!");
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}
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