Index: src/snort.h
--- src/snort.h.orig	2009-09-14 21:12:14 +0200
+++ src/snort.h	2009-09-19 09:27:59 +0200
@@ -92,7 +92,7 @@
 #define RF_ANY_FLAGS  0x20
 
 #ifndef WIN32
-# define DEFAULT_LOG_DIR            "/var/log/snort"
+# define DEFAULT_LOG_DIR            "@l_prefix@/var/snort"
 # define DEFAULT_DAEMON_ALERT_FILE  "alert"
 #else
 # define DEFAULT_LOG_DIR            "log"
