Develop (#33)

* Remove fetchcontent warning

* Do not download openCv on Android

* Do not build qt multimedia if qrdec does not exist

QrDec/CMakeLists.txt

@@ -1,5 +1,5 @@
 find_package(OpenCV)
-if(NOT OpenCV_FOUND)
+if(NOT OpenCV_FOUND AND NOT ANDROID)
 	set(builturl "https://github.com/EddyTheCo/install-OpenCV-action/releases/download/v0.0.14/OpenCV-ubuntu-latest-wasm_false.tar")
 	if(WIN32)
 		set(builturl "https://github.com/EddyTheCo/install-OpenCV-action/releases/download/v0.0.14/OpenCV-windows-latest-wasm_false.tar")
@@ -12,6 +12,7 @@ if(NOT OpenCV_FOUND)
 	endif(EMSCRIPTEN)
 	FetchContent_Declare(
 		OpenCV
+		DOWNLOAD_EXTRACT_TIMESTAMP true
 		URL  ${builturl}
 		)
 	FetchContent_GetProperties(OpenCV)

QtQrDec/CMakeLists.txt

@@ -1,7 +1,9 @@
 
 find_package(Qt6 REQUIRED COMPONENTS Core Gui Qml Quick OPTIONAL_COMPONENTS Multimedia)
 
-if (Qt6_FOUND)
+
+
+if (Qt6_FOUND AND TARGET QrDec)
 	qt_standard_project_setup()
 	if(NOT TARGET Qt6::Multimedia AND NOT EMSCRIPTEN)
 		FetchContent_Declare(
@@ -11,10 +13,6 @@ if (Qt6_FOUND)
 			)
 		FetchContent_MakeAvailable(qtmultimedia)
 	endif()
-endif(Qt6_FOUND)
-
-
-if (Qt6_FOUND AND TARGET QrDec)
     list(APPEND qml_files  "qml/QrTextArea.qml")
 	if(TARGET Qt6::Multimedia)
 		list(APPEND qml_files  "qml/QrQmlCamera.qml")