19 //!         .flag_if_supported("-std=c++11")
20 //!         .compile("cxxbridge-demo");
22 //!     println!("cargo:rerun-if-changed=src/main.rs");
23 //!     println!("cargo:rerun-if-changed=src/demo.cc");
24 //!     println!("cargo:rerun-if-changed=include/demo.h");
37 //! For use in non-Cargo builds like Bazel or Buck, CXX provides an
39 //! line tool. The tool is packaged as the `cxxbridge-cmd` crate.
42 //! $ cargo install cxxbridge-cmd  # or build it from the repo
44 //! $ cxxbridge src/main.rs --header > path/to/mybridge.h
45 //! $ cxxbridge src/main.rs > path/to/mybridge.cc
48 #![doc(html_root_url = "https://docs.rs/cxx-build/1.0.119")]
79 …clippy::unconditional_recursion, // clippy bug: https://github.com/rust-lang/rust-clippy/issues/12…
121 pub fn bridge(rust_source_file: impl AsRef<Path>) -> Build {  in bridge()
132 ///     .flag_if_supported("-std=c++11")
133 ///     .compile("cxxbridge-demo");
136 pub fn bridges(rust_source_files: impl IntoIterator<Item = impl AsRef<Path>>) -> Build {  in bridges()
154     // Normally available at target/cxxbridge/ if we are able to know where the
167     fn init() -> Result<Self> {  in init()
178             TargetDir::Path(target_dir) => target_dir.join("cxxbridge"),  in init()
179             TargetDir::Unknown => scratch::path("cxxbridge"),  in init()
192 // We lay out the OUT_DIR as follows. Everything is namespaced under a cxxbridge
197 //        cxxbridge/
199 //              $CARGO_PKG_NAME -> $CARGO_MANIFEST_DIR
214 fn build(rust_source_files: &mut dyn Iterator<Item = impl AsRef<Path>>) -> Result<Build> {  in build()
221     build.cpp_link_stdlib(None); // linked via link-cplusplus crate  in build()
241 fn validate_cfg(prj: &Project) -> Result<()> {  in validate_cfg()
269 fn make_this_crate(prj: &Project) -> Result<Crate> {  in make_this_crate()
365 fn make_crate_dir(prj: &Project) -> PathBuf {  in make_crate_dir()
369     let crate_dir = prj.out_dir.join("cxxbridge").join("crate");  in make_crate_dir()
384 fn make_include_dir(prj: &Project) -> Result<PathBuf> {  in make_include_dir()
385     let include_dir = prj.out_dir.join("cxxbridge").join("include");  in make_include_dir()
398 fn generate_bridge(prj: &Project, build: &mut Build, rust_source_file: &Path) -> Result<()> {  in generate_bridge()
408     let cxxbridge = prj.out_dir.join("cxxbridge");  in generate_bridge()  localVariable
409     let include_dir = cxxbridge.join("include").join(&prj.include_prefix);  in generate_bridge()
410     let sources_dir = cxxbridge.join("sources").join(&prj.include_prefix);  in generate_bridge()
453                 best_effort_copy_headers(&src, &dst, max_depth - 1);  in best_effort_copy_headers()
474 fn env_os(key: impl AsRef<OsStr>) -> Result<OsString> {  in env_os()