feat: update depot version to 0.5.0 and enhance build directory handling for lib32

Cargo.lock

@@ -435,7 +435,7 @@ checksum = "26bf8fc351c5ed29b5c2f0cbbac1b209b74f60ecd62e675a998df72c49af5204"
 
 [[package]]
 name = "depot"
-version = "0.1.0"
+version = "0.5.0"
 dependencies = [
  "anyhow",
  "ar",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "depot"
-version = "0.1.0"
+version = "0.5.0"
 edition = "2024"
 
 [lints.rust]

src/builder/cmake.rs

@@ -21,7 +21,11 @@ pub fn build(
     // Determine actual source directory (support source_subdir)
     let actual_src = resolve_actual_src(spec, src_dir)?;
 
-    let build_dir = actual_src.join("build");
+    let build_dir = if let Some(dir) = &flags.build_dir {
+        actual_src.join(dir)
+    } else {
+        actual_src.join("build")
+    };
 
     // Create directories
     fs::create_dir_all(&build_dir)?;

src/main.rs

@@ -97,6 +97,10 @@ fn make_lib32_build_spec(base: &package::PackageSpec) -> package::PackageSpec {
 
     flags.cc = format!("{} -m32", flags.cc.trim());
     flags.cxx = format!("{} -m32", flags.cxx.trim());
+    flags.build_dir = Some(match flags.build_dir.as_deref() {
+        Some(dir) if !dir.trim().is_empty() => format!("{}-lib32", dir.trim()),
+        _ => "build-lib32".to_string(),
+    });
 
     spec
 }