extern crate bindgen;
use std::env;
use std::path::PathBuf;
fn main() {
// Add libelektra's lib directory to rustc's search path
println!("cargo:rustc-link-search=@CMAKE_BINARY_DIR@/lib");
// Tell cargo to tell rustc to link the dynamic elektra library.
println!("cargo:rustc-link-lib=dylib=elektra-core");
println!("cargo:rustc-link-lib=dylib=elektra-meta");
println!("cargo:rustc-link-lib=dylib=elektra-kdb");
// The bindgen::Builder is the main entry point
// to bindgen, and lets you build up options for
// the resulting bindings.
let bindings = bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
.header("wrapper.h")
// Include only the necessary functions and enums
.allowlist_function("(key|ks|kdb).*")
.allowlist_var("(KEY|KDB).*")
// bindgen uses clang for anything C-related.
// Here we set the necessary include directories
// such that any includes in the wrapper can be found.
.clang_arg("-I@CMAKE_SOURCE_DIR@/src/include")
.clang_arg("-I@CMAKE_BINARY_DIR@/src/include")
// Finish the builder and generate the bindings.
.generate()
// Unwrap the Result and panic on failure.
.expect("Unable to generate bindings");
// Write the bindings to the $OUT_DIR/bindings.rs file.
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
}