Add a wxLog::DoCreateOnDemand and call it from DoCommonPreInit so that

logging will work even if wxWidgets is reentered after being cleaned up.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@46117 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/log.h

@@ -181,6 +181,9 @@ public:
     // current is NULL?
     static void DontCreateOnDemand();
 
+    // Make GetActiveTarget() create a new log object again.
+    static void DoCreateOnDemand();
+
     // log the count of repeating messages instead of logging the messages
     // multiple times
     static void SetRepetitionCounting(bool bRepetCounting = true)

src/common/init.cpp

@@ -220,6 +220,9 @@ static void FreeConvertedArgs()
 static bool DoCommonPreInit()
 {
 #if wxUSE_LOG
+    // Reset logging in case we were cleaned up and are being reinitialized.
+    wxLog::DoCreateOnDemand();
+
     // install temporary log sink: we can't use wxLogGui before wxApp is
     // constructed and if we use wxLogStderr, all messages during
     // initialization simply disappear under Windows

src/common/log.cpp

@@ -575,6 +575,11 @@ void wxLog::DontCreateOnDemand()
     ClearTraceMasks();
 }
 
+void wxLog::DoCreateOnDemand()
+{
+    ms_bAutoCreate = true;
+}
+
 void wxLog::RemoveTraceMask(const wxString& str)
 {
     int index = ms_aTraceMasks.Index(str);