add a attribute_noreturn macro

diff --git a/include/libbb.h b/include/libbb.h
index c380ed73920c0aa07cebe3ee7ca011c00e4bebf7..c92d97240611d82ee9fe2de007aea00edf1f962f 100644 (file)
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -63,6 +63,8 @@
 # define __restrict     /* Ignore */
 #endif
 
+#define attribute_noreturn __attribute__ ((__noreturn__))
+
 /* Some useful definitions */
 #define FALSE   ((int) 0)
 #define TRUE    ((int) 1)