Added:

- Incremental builds (object caching by mtime)
- `build.kind` with `staticlib` support
- Custom output directory via `build.target`

src/cli/build.rs

@@ -31,6 +31,7 @@ pub fn build(args: &[String]) -> i32 {
     let build_language = get_config_str(&config, "build.language");
     let build_standard = get_config_str(&config, "build.standard");
     let build_target = get_config_str(&config, "build.target");
+    let build_kind = get_config_str(&config, "build.kind");
     let build_cflags = match get_config_list(&config, "build.cflags") {
         Ok(v) => v,
         Err(msg) => {
@@ -76,6 +77,7 @@ pub fn build(args: &[String]) -> i32 {
         language: &build_language,
         standard: &build_standard,
         target_dir: normalize_target(&build_target),
+        kind: normalize_kind(&build_kind),
         include_dirs: &resolved.include_dirs,
         lib_dirs: &resolved.lib_dirs,
         libs: &resolved.libs,
@@ -177,3 +179,8 @@ fn normalize_target(target: &str) -> Option<&str> {
         Some(trimmed)
     }
 }
+
+fn normalize_kind(kind: &str) -> &str {
+    let trimmed = kind.trim();
+    if trimmed.is_empty() { "bin" } else { trimmed }
+}