1 files changed, 43 insertions, 0 deletions
diff --git a/build.rs b/build.rs
new file mode 100644
index 00000000..faab7f06
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,43 @@
+use std::env;
+use std::path::PathBuf;
+use std::process::Command;
+
+fn main() {
+    println!("cargo:rerun-if-changed=build.rs");
+    println!("cargo:rerun-if-changed=vendor/libghostty-vt.vendor.json");
+    println!("cargo:rerun-if-changed=vendor/libghostty-vt/build.zig");
+    println!("cargo:rerun-if-changed=vendor/libghostty-vt/build.zig.zon");
+    println!("cargo:rerun-if-changed=vendor/libghostty-vt/VERSION");
+    println!("cargo:rerun-if-env-changed=LIBGHOSTTY_VT_OPTIMIZE");
+
+    if env::var_os("CARGO_FEATURE_GHOSTTY_VT").is_none() {
+        return;
+    }
+
+    let manifest_dir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR"));
+    let vendored_dir = manifest_dir.join("vendor/libghostty-vt");
+    let optimize = env::var("LIBGHOSTTY_VT_OPTIMIZE").unwrap_or_else(|_| "ReleaseFast".into());
+
+    let status = Command::new("zig")
+        .arg("build")
+        .arg("-Demit-lib-vt")
+        .arg(format!("-Doptimize={optimize}"))
+        .current_dir(&vendored_dir)
+        .status()
+        .expect("failed to execute zig build for vendored libghostty-vt");
+    assert!(
+        status.success(),
+        "zig build for vendored libghostty-vt failed: {status}"
+    );
+
+    let lib_dir = vendored_dir.join("zig-out/lib");
+    println!("cargo:rustc-link-search=native={}", lib_dir.display());
+    println!("cargo:rustc-link-lib=dylib=ghostty-vt");
+
+    let target = env::var("TARGET").expect("TARGET");
+    if target.contains("linux") {
+        println!("cargo:rustc-link-arg=-Wl,-rpath,{}", lib_dir.display());
+    } else if target.contains("apple-darwin") {
+        println!("cargo:rustc-link-arg=-Wl,-rpath,{}", lib_dir.display());
+    }
+}