diff --git a/radio/util/find_clang.py b/radio/util/find_clang.py
index d9cdbb083..f78f87717 100644
--- a/radio/util/find_clang.py
+++ b/radio/util/find_clang.py
@@ -59,6 +59,7 @@ def getBuiltinHeaderPath(library_path):
     return None
 
 def findLibClang():
+    return "@libclang@"
     if sys.platform == "darwin":
         knownPaths = [
             "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib",
diff --git a/radio/util/generate_datacopy.py b/radio/util/generate_datacopy.py
index a92b0c3e2..6385b2ff6 100755
--- a/radio/util/generate_datacopy.py
+++ b/radio/util/generate_datacopy.py
@@ -5,7 +5,8 @@ import sys
 import clang.cindex
 import time
 import os
-
+from pathlib import Path
+import re
 
 structs = []
 extrastructs = []
@@ -102,6 +103,11 @@ def main():
     if find_clang.builtin_hdr_path:
         args.append("-I" + find_clang.builtin_hdr_path)
 
+    args.append("-resource-dir")
+    args.append("@resourceDir@")
+    for path in ["@libc-cflags@", "@libcxx-cflags@"]:
+        args.extend([flag.strip() for flag in re.split(r'\s+', Path(path).read_text()) if flag.strip()])
+
     translation_unit = index.parse(sys.argv[1], args)
 
     if translation_unit.diagnostics: