Suppress libpng warnings

Issue #6

Author: qu1ck

CMakeLists.txt

@@ -1,7 +1,7 @@
-cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.5 FATAL_ERROR)
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
-cmake_policy(SET CMP0074 OLD)
+# cmake_policy(SET CMP0074 OLD)
 cmake_policy(SET CMP0057 NEW)
 cmake_policy(SET CMP0091 NEW)  # to enable CMAKE_MSVC_RUNTIME_LIBRARY
 

main.cpp

@@ -141,6 +141,7 @@ bool App::OnInit()
 
     wxImage::AddHandler(new rotatingJPEGHandler());
     wxImage::AddHandler(new wxPNGHandler());
+    wxImage::SetDefaultLoadFlags(wxImage::GetDefaultLoadFlags() & ~wxImage::Load_Verbose);
 
     m_icons = wxIconBundle("APP_ICON", 0);