fix compilation on non-linux systems

crates/cli/src/build.rs

@@ -133,7 +133,7 @@ pub fn build_file<'a>(
 }
 
 #[allow(clippy::too_many_arguments)]
-pub fn build_loaded_file<'a>(
+fn build_loaded_file<'a>(
     arena: &'a Bump,
     target: &Triple,
     app_module_path: PathBuf,

crates/valgrind/build.rs

@@ -1,3 +1,4 @@
+#[cfg(target_os = "linux")]
 fn main() {
     let temp_dir = tempfile::tempdir().unwrap();
     let app_module_path = temp_dir.path().join("app.roc");
@@ -31,3 +32,6 @@ fn main() {
 
     res_binary_path.unwrap();
 }
+
+#[cfg(not(target_os = "linux"))]
+fn main() {}

crates/valgrind/src/lib.rs

@@ -6,6 +6,19 @@ use cli_utils::helpers::{extract_valgrind_errors, ValgrindError, ValgrindErrorXW
 use roc_cli::build::BuiltFile;
 
 fn valgrind_test(source: &str) {
+    #[cfg(target_os = "linux")]
+    {
+        valgrind_test_linux(source)
+    }
+
+    #[cfg(not(target_os = "linux"))]
+    {
+        let _ = source;
+    }
+}
+
+#[cfg(target_os = "linux")]
+fn valgrind_test_linux(source: &str) {
     let pf = std::env::current_dir()
         .unwrap()
         .join("zig-platform/main.roc");