X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?a=blobdiff_plain;ds=sidebyside;f=ginac%2Fcompiler.h;h=69d00c31d7f49c8e38594a32881afdf7b512b419;hb=c3195f0b5a7ac9fdbfdd04e5f4acf6a836063de0;hp=6c94150ce2e74101a401d07f11bcd8195541075e;hpb=c28e61da33905ddc69abf893aaffec98aa30d053;p=ginac.git

diff --git a/ginac/compiler.h b/ginac/compiler.h
index 6c94150c..69d00c31 100644
--- a/ginac/compiler.h
+++ b/ginac/compiler.h
@@ -3,7 +3,7 @@
  *  Definition of optimizing macros. */
 
 /*
- *  GiNaC Copyright (C) 1999-2010 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2021 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -26,9 +26,11 @@
 #ifdef __GNUC__
 #define unlikely(cond) __builtin_expect((cond), 0)
 #define likely(cond) __builtin_expect((cond), 1)
+#define attribute_deprecated __attribute__ ((deprecated))
 #else
 #define unlikely(cond) (cond)
 #define likely(cond) (cond)
+#define attribute_deprecated
 #endif
 
 #endif // ndef GINAC_COMPILER_DEP_H