From 7019896c99872b23d89b1404b02754cbc4ea1456 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 7 Oct 2012 16:09:35 -0400
Subject: [PATCH] Make FcInitDebug() idempotent

---
 src/fcdbg.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/fcdbg.c b/src/fcdbg.c
index e8cbe32..270d791 100644
--- a/src/fcdbg.c
+++ b/src/fcdbg.c
@@ -455,15 +455,17 @@ int FcDebugVal;
 void
 FcInitDebug (void)
 {
-    char    *e;
+    if (!FcDebugVal) {
+	char    *e;
 
-    e = getenv ("FC_DEBUG");
-    if (e)
-    {
-        printf ("FC_DEBUG=%s\n", e);
-        FcDebugVal = atoi (e);
-        if (FcDebugVal < 0)
-   	    FcDebugVal = 0;
+	e = getenv ("FC_DEBUG");
+	if (e)
+	{
+	    printf ("FC_DEBUG=%s\n", e);
+	    FcDebugVal = atoi (e);
+	    if (FcDebugVal < 0)
+		FcDebugVal = 0;
+	}
     }
 }
 #define __fcdbg__