Vendor dependencies for 0.3.0 release

vendor/tracing-oslog/build.rs

@@ -0,0 +1,46 @@
+use std::{env, path::PathBuf};
+
+fn main() {
+	if env::var("CARGO_CFG_TARGET_VENDOR").expect("failed to get target vendor") != "apple" {
+		println!(
+			"cargo:warning=tracing-oslog is only available for Apple platforms, it will not log \
+			 anything on other platforms!"
+		);
+		return;
+	}
+
+	let mut args = Vec::<String>::new();
+	let target_os = env::var("CARGO_CFG_TARGET_OS").expect("failed to get target os");
+	if target_os == "ios" {
+		let version = if "macabi" == env::var("CARGO_CFG_TARGET_ABI").unwrap_or_default() {
+			"14.0"
+		} else {
+			"10.0"
+		};
+		args.push(format!("-miphoneos-version-min={version}"));
+	} else if target_os == "macos" {
+		args.push("-mmacosx-version-min=10.12".to_owned());
+	}
+
+	let bindings = bindgen::Builder::default()
+		.header("wrapper.h")
+		.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
+		.allowlist_function("_?os_activity_.*")
+		.allowlist_function("os_log_.*")
+		.allowlist_function("os_release")
+		.allowlist_function("wrapped_.*")
+		.allowlist_type("os_activity_.*")
+		.allowlist_type("os_log_.*")
+		.allowlist_var("_?os_activity_.*")
+		.allowlist_var("__dso_handle")
+		.clang_args(&args)
+		.generate()
+		.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()).join("bindings.rs");
+	bindings
+		.write_to_file(out_path)
+		.expect("Couldn't write bindings!");
+	cc::Build::new().file("wrapper.c").compile("wrapper");
+}