include: Define ATTRIBUTE_UNUSED for clang

nwellnhof · nwellnhof · commit 5ff37946dd79 · 2024-06-21T14:54:04.000+02:00
Silences warnings under clang on Windows.
diff --git a/include/libxml/xmlexports.h b/include/libxml/xmlexports.h
@@ -42,7 +42,7 @@
  */
 
 #ifndef ATTRIBUTE_UNUSED
-  #if __GNUC__ * 100 + __GNUC_MINOR__ >= 207
+  #if __GNUC__ * 100 + __GNUC_MINOR__ >= 207 || defined(__clang__)
     #define ATTRIBUTE_UNUSED __attribute__((unused))
   #else
     #define ATTRIBUTE_UNUSED
