ziggy

.gitignore

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+/target
+*.so
+*.so.*
+*.a
+*.h
+*.o
+

Cargo.toml

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+[package]
+name = "ziggy"
+version = "0.1.0"
+authors = ["Jeremy Banks <_@jeremy.ca>"]
+edition = "2018"
+links = "ziggy"
+
+[dependencies]

build.rs

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+fn main() {
+    let zig_bin = "./zig";
+    let project_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+    let out_dir = std::env::var("OUT_DIR").unwrap();
+    let lib_dir = out_dir + "/zig-lib";
+    let lib_name = "ziggy";
+    let src_path = project_dir + "/src/ziggy.zig";
+
+    let output = std::process::Command::new(zig_bin)
+        .args(&[
+            "build-lib",
+            "-fPIC",
+            "--bundle-compiler-rt",
+            "--output-dir",
+            &lib_dir,
+            &src_path,
+        ])
+        .output();
+
+    match output {
+        Err(error) => {
+            panic!("unable to execute zig: {:?}", error);
+        }
+        Ok(output) => {
+            if !output.status.success() {
+                panic!("zig compilation failed: {:?}", output.stderr);
+            }
+        }
+    }
+
+    println!("cargo:rerun-if-changed={}", src_path);
+    println!("cargo:rustc-link-search=native={}", lib_dir);
+    println!("cargo:rustc-link-lib=static={}", lib_name);
+}

src/main.rs

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+pub mod ziggy {
+    #[link(name = "ziggy")]
+    extern "C" {
+        pub fn ziggy() -> ();
+    }
+}
+
+fn main() {
+    println!("Hello, world from Rust!");
+    unsafe {
+        ziggy::ziggy();
+    }
+}

src/ziggy.zig

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+const std = @import("std");
+
+export fn ziggy() void {
+    const stdout = &std.io.getStdOut().outStream().stream;
+    stdout.print("Hello, {} from Zig!\n", .{"world"}) catch unreachable;
+}

zig

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+../zig-linux-x86_64-0.5.0+c39d7a632/zig