Add creation of BUILD_DATE and BUILD_TIME

OnDemandUpdatePTU.pro

@@ -22,15 +22,24 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #           Always execute contents of opkg_commands-file (even if there are no
 #           changes).
 
-VERSION=1.3.6
+win32 {
+    BUILD_DATE=$$system("date /t")
+    BUILD_TIME=$$system("time /t")
+} else {
+    BUILD_DATE=$$system("date +%d-%m-%y")
+    BUILD_TIME=$$system("date +%H:%M:%S")
+}
+
+VERSION="1.3.6"
 
 INCLUDEPATH += plugins
 
-
 CONFIG += c++17
 # CONFIG -= app_bundle
 
 DEFINES+=APP_VERSION=\\\"$$VERSION\\\"
+DEFINES+=APP_BUILD_DATE=\\\"$$BUILD_DATE\\\"
+DEFINES+=APP_BUILD_TIME=\\\"$$BUILD_TIME\\\"
 
 QMAKE_CXXFLAGS += -g
 QMAKE_CXXFLAGS += -Wno-deprecated-copy