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-rw-r--r--misc/sys/cdefs.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 84e24b0b62..7db057560d 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -136,7 +136,16 @@
    they are omitted for compilers that don't understand it. */
 #if !defined __GNUC__ || __GNUC__ < 2
 
-# define __attribute__(xyz)	/* Ignore. */
+# define __attribute__(xyz)	/* Ignore */
+
+/* At some point during the gcc 2.96 development the `malloc' attribute
+   for functions was introduced.  We don't want to use it unconditionally
+   (although this would be possible) since it generates warnings.  */
+# if __GNUC_PREREQ (2,96)
+#  define __attribute_malloc__ __attribute__ ((__malloc__))
+# else
+#  define __attribute_malloc__ /* Ignore */
+# endif
 
 #endif