Add explicit extern declaration for case of having triangle.c.

At some point, it can just include cgraph.h.
Though ideally subpackages like agxbuf and agerr should be
available separately.

diff --git a/lib/neatogen/delaunay.c b/lib/neatogen/delaunay.c
index d6e2d21fe8aad47f1fb2a83d4d193d6e62279be2..3b0168997c0d548d8c19acea51b83a162a1af01e 100644 (file)
--- a/lib/neatogen/delaunay.c
+++ b/lib/neatogen/delaunay.c
@@ -15,9 +15,12 @@
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
-#include "neato.h"   /* For agerr() */
 #endif
 
+ /* until we can include cgraph.h or something else */
+typedef enum { AGWARN, AGERR, AGMAX, AGPREV } agerrlevel_t;
+extern int agerr(agerrlevel_t level, char *fmt, ...);
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>