1 files changed, 1 insertions, 0 deletions
diff --git a/apl9.h b/apl9.h
index 415620d..9de7b12 100644
--- a/apl9.h
+++ b/apl9.h
@@ -105,6 +105,7 @@ Array *fnCatenateFirst(Array *, Array *);
 Array *fnReshape(Array *, Array *);
 
 /* Global variables */
+extern int traceeval; /* eval.c */
 extern Rune *errormsg; /* eval.c */
 extern int datasizes[]; /* array.c */
 extern Rune primfuncnames[]; /* function.c */