From 3e76680f4df0229903f250fe5f72a9e2e05bad00 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Fri, 20 Aug 2010 21:44:49 +0000
Subject: [PATCH] Silence compiler by adding prototype for dfs() (i.e.,
 #include   "dfs.h").  Also, don't require build(er|system) to always #define 
  the preprocessing symbol "TEST" (to a zero or non-zero value).

---
 dfs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dfs.c b/dfs.c
index 9952c71df..30aaa3a9e 100644
--- a/dfs.c
+++ b/dfs.c
@@ -10,6 +10,8 @@
   ====================================================================*/
 #include <assert.h>
 
+#include "dfs.h"
+
 /* 
  * Assign color (nonnegative number) to each connected component of graph 
  */
@@ -61,7 +63,7 @@ void dfs (int size, int *ia, int *ja, int *ncolors, int *color, int* work)
 
 
 
-#if TEST
+#if defined(TEST) && TEST
 #include <stdlib.h>
 #include <stdio.h>