From: mquinson <mquinson@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Tue, 25 Apr 2006 12:43:11 +0000 (+0000)
Subject: Allow to declare a log category and not use it right away; add XBT_LOG_EXTERNAL_DEFAU... 
X-Git-Tag: v3.3~3172
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/02201118960697772e289bddc4ad32b78973fe36

Allow to declare a log category and not use it right away; add XBT_LOG_EXTERNAL_DEFAULT_CATEGORY to the defines


git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@2186 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---

diff --git a/include/xbt/log.h b/include/xbt/log.h
index bb01150ac6..886345f373 100644
--- a/include/xbt/log.h
+++ b/include/xbt/log.h
@@ -138,7 +138,7 @@ typedef enum {
 # define XBT_LOG_DEFAULT_CATEGORY(cname)
 #else
 # define XBT_LOG_DEFAULT_CATEGORY(cname) \
-	 static xbt_log_category_t _XBT_LOGV(default) = &_XBT_LOGV(cname)
+	 static xbt_log_category_t _XBT_LOGV(default) _XBT_GNUC_UNUSED = &_XBT_LOGV(cname) 
 #endif
 
 /**
@@ -180,6 +180,18 @@ typedef enum {
 #define XBT_LOG_EXTERNAL_CATEGORY(cname) \
    extern s_xbt_log_category_t _XBT_LOGV(cname)
 
+/**
+ * \ingroup XBT_log
+ * \param cname name of the cat
+ * \hideinitializer
+ *
+ * Indicates that the default category of this file was declared in another file.
+ */
+
+#define XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(cname) \
+   XBT_LOG_EXTERNAL_CATEGORY(cname);\
+   XBT_LOG_DEFAULT_CATEGORY(cname)
+
 /* Functions you may call */
 
 extern void xbt_log_control_set(const char* cs);