Protect against double-define

dyninst · May 3, 2024 · a21b67f · a21b67f
1 parent e7a34c3
commit a21b67f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/common/h/dyninst_visibility.h b/common/h/dyninst_visibility.h
@@ -31,6 +31,8 @@
 #ifndef DYNINST_COMMON_DYNINST_VISIBILITY_H
 #define DYNINST_COMMON_DYNINST_VISIBILITY_H
 
-#define DYNINST_EXPORT __attribute__((visibility ("default")))
+#ifndef DYNINST_EXPORT
+# define DYNINST_EXPORT __attribute__((visibility ("default")))
+#endif
 
 #endif