[Minor] One more definition missed on Linux

diff --git a/contrib/t1ha/t1ha.h b/contrib/t1ha/t1ha.h
index c41f5c5296f6eef6fa154f9de8adebb521e0aebd..2f6e48e3f869fd6366aea0496335ae0761aabb1a 100644 (file)
--- a/contrib/t1ha/t1ha.h
+++ b/contrib/t1ha/t1ha.h
@@ -44,6 +44,9 @@
 #include <string.h>
 #include <stddef.h>
 
+#ifndef __has_attribute
+#define __has_attribute(x) (0)
+#endif
 #ifndef __has_builtin
 #define __has_builtin(x) (0)
 #endif