Merge remote branch 'origin/4.6' into qt-4.7-from-4.6

Conflicts:
	configure.exe
	examples/multimedia/audioinput/audioinput.cpp
	src/corelib/io/qfsfileengine.cpp
	src/gui/egl/qegl_wince.cpp
	src/gui/egl/qeglproperties.cpp
	src/gui/egl/qeglproperties_p.h
	src/gui/embedded/directfb.pri
	src/gui/kernel/qapplication_win.cpp
	src/gui/painting/qdrawutil.cpp
	src/opengl/qgl_p.h
	src/sql/drivers/odbc/qsql_odbc.cpp
	src/sql/drivers/odbc/qsql_odbc.h
	tests/auto/auto.pro
	tests/auto/qgl/tst_qgl.cpp
	translations/assistant_adp_ru.ts

3 files changed, 15 insertions, 0 deletions

diff --git a/src/corelib/io/qfsfileengine.cpp b/src/corelib/io/qfsfileengine.cpp
index 1672dfc..070edb4 100644
--- a/src/corelib/io/qfsfileengine.cpp
+++ b/src/corelib/io/qfsfileengine.cpp
@@ -147,6 +147,8 @@ QString QFSFileEnginePrivate::canonicalized(const QString &path)
         return path;
 #endif
 #if defined(Q_OS_LINUX) || defined(Q_OS_SYMBIAN) || defined(Q_OS_MAC)
+    // ... but Linux with uClibc does not have it
+#if !defined(__UCLIBC__)
     char *ret = 0;
 #if defined(Q_OS_MAC)
     // Mac OS X 10.5.x doesn't support the realpath(X,0) extension we use here.
@@ -173,6 +175,7 @@ QString QFSFileEnginePrivate::canonicalized(const QString &path)
         return canonicalPath;
     }
 #endif
+#endif
 
     QFileInfo fi;
     const QChar slash(QLatin1Char('/'));
diff --git a/src/corelib/io/qfsfileengine_unix.cpp b/src/corelib/io/qfsfileengine_unix.cpp
index d2fa744..1331f54 100644
--- a/src/corelib/io/qfsfileengine_unix.cpp
+++ b/src/corelib/io/qfsfileengine_unix.cpp
@@ -668,6 +668,16 @@ bool QFSFileEnginePrivate::doStat() const
             could_stat = (QT_FSTAT(QT_FILENO(fh), &st) == 0);
         } else if (fd == -1) {
             // ### actually covers two cases: d->fh and when the file is not open
+#if defined(Q_OS_SYMBIAN)
+            // Optimisation for Symbian where fileFlags() calls both doStat() and isSymlink(), but rarely on real links.
+            // When the filename is not a link, lstat will return the same info as stat, but this also removes
+            // any need for a further call to lstat to check if the file is a link.
+            need_lstat = false;
+            could_stat = (QT_LSTAT(nativeFilePath.constData(), &st) == 0);
+            is_link = could_stat ? S_ISLNK(st.st_mode) : false;
+            // if it turns out this was a link, we can call stat too.
+            if (is_link)
+#endif
             could_stat = (QT_STAT(nativeFilePath.constData(), &st) == 0);
         } else {
             could_stat = (QT_FSTAT(fd, &st) == 0);
diff --git a/src/corelib/io/qprocess_symbian.cpp b/src/corelib/io/qprocess_symbian.cpp
index 07d10ad..adc87fb 100644
--- a/src/corelib/io/qprocess_symbian.cpp
+++ b/src/corelib/io/qprocess_symbian.cpp
@@ -371,6 +371,7 @@ QProcessActive::QProcessActive()
 // Called from ProcessManagerThread
 QProcessActive::~QProcessActive()
 {
+    Cancel();
     process = NULL;
     pproc = NULL;
 }
@@ -477,6 +478,7 @@ QProcessManagerMediator::QProcessManagerMediator()
 // Called from ProcessManagerThread
 QProcessManagerMediator::~QProcessManagerMediator()
 {
+    Cancel();
     processManagerThread.Close();
     currentCommand = ENoCommand;
     currentObserver = NULL;