dbb00333b1
Creating a crate for bwd-gc highlights the fact that it would be nice to fix 2! The file blocklist is a lost less unmaintainable then the more fine-grained one we had before. Fix #9
56 lines
1.8 KiB
Rust
56 lines
1.8 KiB
Rust
use std::path::PathBuf;
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#[derive(Debug)]
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struct StripNixPrefix;
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impl bindgen::callbacks::ParseCallbacks for StripNixPrefix {
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fn item_name(&self, name: &str) -> Option<String> {
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name.strip_prefix("nix_").map(String::from)
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}
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}
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fn main() {
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println!("cargo:rerun-if-changed=include/nix-c-flake.h");
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println!("cargo:rustc-link-lib=nixflakec");
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let mut args = Vec::new();
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for path in pkg_config::probe_library("nix-flake-c")
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.unwrap()
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.include_paths
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.iter()
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{
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args.push(format!("-I{}", path.to_str().unwrap()));
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}
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for path in pkg_config::probe_library("bdw-gc")
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.unwrap()
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.include_paths
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.iter()
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{
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args.push(format!("-I{}", path.to_str().unwrap()));
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}
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let out_path = PathBuf::from(std::env::var("OUT_DIR").unwrap());
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let bindings = bindgen::Builder::default()
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.header("include/nix-c-flake.h")
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.clang_args(args)
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.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
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.parse_callbacks(Box::new(StripNixPrefix))
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// Blocklist symbols from nix-bindings-util-sys
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.blocklist_file(".*nix_api_util\\.h")
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// Blocklist symbols from nix-bindings-store-sys
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.blocklist_file(".*nix_api_store\\.h")
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// Blocklist symbols from nix-bindings-expr-sys
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.blocklist_file(".*nix_api_expr\\.h")
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.blocklist_file(".*nix_api_value\\.h")
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// Blocklist symbols from nix-bindings-fetchers-sys
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.blocklist_file(".*nix_api_fetchers\\.h")
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// Blocklist symbols from nix-bindings-bdwgc-sys
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.blocklist_file(".*/gc\\.h")
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.generate()
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.expect("Unable to generate bindings");
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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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