De-inline QDebug destructor

This injected quite some code on every use of qDebug and friends,
while not giving any measurable performance benefits.

Change-Id: I7b51f99130f18f1252da01e313f7b97c43a5480d
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

qmake/Makefile.unix

@@ -12,7 +12,8 @@ OBJS=project.o option.o property.o main.o ioutils.o proitems.o \
      gbuild.o cesdkhandler.o
 
 #qt code
-QOBJS=qtextcodec.o qutfcodec.o qstring.o qstring_compat.o qstringbuilder.o qtextstream.o qiodevice.o qmalloc.o qglobal.o \
+QOBJS=qtextcodec.o qutfcodec.o qstring.o qstring_compat.o qstringbuilder.o qtextstream.o qiodevice.o \
+      qdebug.o qmalloc.o qglobal.o \
       qarraydata.o qbytearray.o qbytearraymatcher.o qdatastream.o qbuffer.o qlist.o qfiledevice.o qfile.o \
       qfilesystementry.o qfilesystemengine.o qfsfileengine.o qfsfileengine_iterator.o qregexp.o qvector.o \
       qbitarray.o qdir.o qdiriterator.o quuid.o qhash.o qfileinfo.o qdatetime.o qstringlist.o \
@@ -43,6 +44,7 @@ DEPEND_SRC = \
 	   $(SOURCE_PATH)/src/corelib/tools/qstring_compat.cpp \
 	   $(SOURCE_PATH)/src/corelib/io/qfiledevice.cpp \
 	   $(SOURCE_PATH)/src/corelib/io/qtextstream.cpp $(SOURCE_PATH)/src/corelib/io/qiodevice.cpp \
+	   $(SOURCE_PATH)/src/corelib/io/qdebug.cpp \
 	   $(SOURCE_PATH)/src/corelib/global/qmalloc.cpp \
 	   $(SOURCE_PATH)/src/corelib/global/qglobal.cpp $(SOURCE_PATH)/src/corelib/tools/qregexp.cpp \
 	   $(SOURCE_PATH)/src/corelib/tools/qarraydata.cpp $(SOURCE_PATH)/src/corelib/tools/qbytearray.cpp\
@@ -240,6 +242,9 @@ qsettings_win.o: $(SOURCE_PATH)/src/corelib/io/qsettings_win.cpp
 qiodevice.o: $(SOURCE_PATH)/src/corelib/io/qiodevice.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) $(SOURCE_PATH)/src/corelib/io/qiodevice.cpp
 
+qdebug.o: $(SOURCE_PATH)/src/corelib/io/qdebug.cpp
+	$(CXX) -c -o $@ $(CXXFLAGS) $(SOURCE_PATH)/src/corelib/io/qdebug.cpp
+
 qmalloc.o: $(SOURCE_PATH)/src/corelib/global/qmalloc.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) $(SOURCE_PATH)/src/corelib/global/qmalloc.cpp
 

qmake/Makefile.win32

@@ -94,6 +94,7 @@ QTOBJS= \
 	qglobal.obj \
 	qhash.obj \
 	qiodevice.obj \
+	qdebug.obj \
 	qlist.obj \
 	qlinkedlist.obj \
 	qlocale.obj \

src/corelib/io/qdebug.cpp

@@ -128,6 +128,20 @@ QT_BEGIN_NAMESPACE
 
     Flushes any pending data to be written and destroys the debug stream.
 */
+// Has been defined in the header / inlined before Qt 5.4
+QDebug::~QDebug()
+{
+    if (!--stream->ref) {
+        if (stream->space && stream->buffer.endsWith(QLatin1Char(' ')))
+            stream->buffer.chop(1);
+        if (stream->message_output) {
+            qt_message_output(stream->type,
+                              stream->context,
+                              stream->buffer);
+        }
+        delete stream;
+    }
+}
 
 /*!
     \fn QDebug::swap(QDebug &other)

src/corelib/io/qdebug.h

@@ -78,18 +78,7 @@ public:
     inline QDebug(QtMsgType t) : stream(new Stream(t)) {}
     inline QDebug(const QDebug &o):stream(o.stream) { ++stream->ref; }
     inline QDebug &operator=(const QDebug &other);
-    inline ~QDebug() {
+    ~QDebug();
-        if (!--stream->ref) {
-            if (stream->space && stream->buffer.endsWith(QLatin1Char(' ')))
-                stream->buffer.chop(1);
-            if (stream->message_output) {
-                qt_message_output(stream->type,
-                                  stream->context,
-                                  stream->buffer);
-            }
-            delete stream;
-        }
-    }
     inline void swap(QDebug &other) { qSwap(stream, other.stream); }
 
     inline QDebug &space() { stream->space = true; stream->ts << ' '; return *this; }

tools/configure/Makefile.mingw

@@ -49,6 +49,7 @@ OBJECTS = \
     qfsfileengine_win.o \
     qfsfileengine_iterator.o \
     qiodevice.o \
+    qdebug.o \
     qtextstream.o \
     qlogging.o \
     qtemporaryfile.o \

tools/configure/Makefile.win32

@@ -47,6 +47,7 @@ OBJECTS = \
     qfsfileengine_win.obj \
     qfsfileengine_iterator.obj \
     qiodevice.obj \
+    qdebug.obj \
     qtextstream.obj \
     qlogging.obj \
     qtemporaryfile.obj \
@@ -121,6 +122,7 @@ qfsfileengine.obj: $(CORESRC)\io\qfsfileengine.cpp $(PCH)
 qfsfileengine_win.obj: $(CORESRC)\io\qfsfileengine_win.cpp $(PCH)
 qfsfileengine_iterator.obj: $(CORESRC)\io\qfsfileengine_iterator.cpp $(PCH)
 qiodevice.obj: $(CORESRC)\io\qiodevice.cpp $(PCH)
+qdebug.obj: $(CORESRC)\io\qdebug.cpp $(PCH)
 qtextstream.obj: $(CORESRC)\io\qtextstream.cpp $(PCH)
 qtemporaryfile.obj: $(CORESRC)\io\qtemporaryfile.cpp $(PCH)
 qstandardpaths.obj: $(CORESRC)\io\qstandardpaths.cpp $(PCH)

tools/configure/configure.pro

@@ -109,6 +109,7 @@ SOURCES  = main.cpp configureapp.cpp environment.cpp tools.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qfsfileengine_win.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qfsfileengine_iterator.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qiodevice.cpp \
+           $$QT_SOURCE_TREE/src/corelib/io/qdebug.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qtextstream.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qtemporaryfile.cpp \
            $$QT_SOURCE_TREE/src/corelib/io/qstandardpaths.cpp \