fix: adding macOS symbol lookup

dev/archery/archery/linking.py

@@ -88,13 +88,23 @@ def find_library_paths(self, libraries):
         result = _ldconfig.run('-p', stdout=subprocess.PIPE)
         lines = result.stdout.decode('utf-8').splitlines()
         paths = {}
+        system = platform.system()
         for lib in libraries:
             paths[lib] = []
-            for line in lines:
-                if lib in line:
-                    match = re.search(r' => (.*)', line)
+            if system == 'Linux':
+                for line in lines:
+                    if lib in line:
+                        match = re.search(r' => (.*)', line)
+                        if match:
+                            paths[lib].append(match.group(1))
+            elif system == 'Darwin':
+                result = _otool.run("-L", lib, stdout=subprocess.PIPE)
+                for line in lines[1:]:
+                    match = re.search(r'\s*(\S*)', line)
                     if match:
                         paths[lib].append(match.group(1))
+            else:
+                raise ValueError(f"{platform} is not supported")
         return paths
 
 
@@ -112,6 +122,7 @@ def check_dynamic_library_dependencies(path, allowed, disallowed):
             )
     # Check for undefined symbols
     undefined_symbols = dylib.list_undefined_symbols_for_dependency(path, True)
+    print("Allowed: ", allowed)
     expected_lib_paths = dylib.find_library_paths(allowed)
     all_paths = []