Merge pull request #1424 from swiftwasm/release/5.3

[pull] swiftwasm-release/5.3 from release/5.3

Author: pull[bot]

utils/build-script

@@ -1265,6 +1265,7 @@ def main_normal():
 
         if platform.system() == 'Darwin':
             prefix = targets.darwin_toolchain_prefix(args.install_prefix)
+            prefix = os.path.join(args.host_target, prefix.lstrip('/'))
         else:
             prefix = args.install_prefix