LibrePCB

#[cfg(feature = "ffi")]
extern crate cbindgen;

#[cfg(feature = "ffi")]
use std::env;

fn main() {
  #[cfg(feature = "ffi")]
  {
    let crate_dir = env::var("CARGO_MANIFEST_DIR").unwrap();

    if let Ok(r) = cbindgen::generate(crate_dir) {
      r.write_to_file("ffi.h");
    } else {
      // Do not fail the build on invalid source files as this is annoying
      // during development because it would suppress the compiler errors.
      println!("cargo::warning=Failed to generate ffi.h with cbindgen.");
    }
  }
}