vibhatha commented on code in PR #40520:
URL: https://github.com/apache/arrow/pull/40520#discussion_r1565260143


##########
dev/archery/archery/linking.py:
##########
@@ -61,9 +63,84 @@ def list_dependency_names(self):
             names.append(name)
         return names
 
+    def _extract_symbols(self, symbol_info):
+        return [re.search(r'\S+$', line).group() for line in symbol_info if 
line]
+
+    def _remove_weak_symbols(self, symbol_info):
+        return [line for line in symbol_info if not re.search(r'\s[Ww]\s', 
line)]
+
+    def _capture_symbols(self, remove_symbol_versions, symbol_info):
+        if remove_symbol_versions:
+            symbol_info = [re.split('@@', line)[0] for line in symbol_info]
+        return symbol_info
+
+    def list_symbols_for_dependency(self, dependency, 
remove_symbol_versions=False):
+        if dependency == 'linux-vdso.so.1':
+            return []
+        result = _nm.run('-D', dependency, stdout=subprocess.PIPE)

Review Comment:
   Locally things were fine, but the java-jars crossbow is failing with symbols 
being detected. Need to check why this is happening? 



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