MSVC: Fix C4996 warnings when building Qt

Task-number: QTBUG-85227
Pick-to: 5.15
Change-Id: I22ca672d993d77164c91939d1b8fad0c0332b57a
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

src/3rdparty/libjpeg.pri

@@ -1,6 +1,8 @@
 # Disable warnings in 3rdparty code due to unused arguments
 gcc: QMAKE_CFLAGS_WARN_ON += -Wno-unused-parameter -Wno-main
 
+# Do not warn about sprintf, getenv, sscanf ... use
+msvc: DEFINES += _CRT_SECURE_NO_WARNINGS
 
 INCLUDEPATH += \
     $$PWD/libjpeg \

src/tools/moc/moc.pro

@@ -8,6 +8,9 @@ DEFINES += \
     QT_NO_COMPRESS \
     QT_NO_FOREACH
 
+# strerror() is safe to use because moc is single-threaded
+msvc: DEFINES += _CRT_SECURE_NO_WARNINGS
+
 include(moc.pri)
 HEADERS += qdatetime_p.h
 SOURCES += main.cpp

src/xml/dom/qdom.cpp

@@ -6179,9 +6179,9 @@ bool QDomDocument::setContent(const QString& text, bool namespaceProcessing, QSt
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_DEPRECATED
     QXmlInputSource source;
-QT_WARNING_POP
     source.setData(text);
     return IMPL->setContent(&source, namespaceProcessing, errorMsg, errorLine, errorColumn);
+QT_WARNING_POP
 #else
     QXmlStreamReader streamReader(text);
     streamReader.setNamespaceProcessing(namespaceProcessing);

src/xml/dom/qdomhelpers.cpp

@@ -193,11 +193,11 @@ int QDomDocumentLocator::line() const
 
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_DEPRECATED
+
 void QSAXDocumentLocator::setLocator(QXmlLocator *l)
 {
     locator = l;
 }
-QT_WARNING_POP
 
 int QSAXDocumentLocator::column() const
 {
@@ -215,6 +215,8 @@ int QSAXDocumentLocator::line() const
     return static_cast<int>(locator->lineNumber());
 }
 
+QT_WARNING_POP
+
 #endif // QT_DEPRECATED_SINCE(5, 15)
 
 /**************************************************************

src/xml/sax/qxml.cpp

@@ -37,6 +37,11 @@
 **
 ****************************************************************************/
 
+#include "qglobal.h"
+
+// Disable warning about use of deprecated QXmlStreamLocator in QScopedPointer<>
+QT_WARNING_DISABLE_MSVC(4996)
+
 #include "qxml.h"
 #include "qxml_p.h"
 #include "qbuffer.h"