Add more libs for Audacity to CMake

lib-src/FileDialog/CMakeLists.txt

@@ -0,0 +1,23 @@
+#directory lib-src/FileDialog
+
+
+set( SOURCES 
+${LIB_SRC_DIRECTORY}FileDialog/FileDialog.cpp
+#${LIB_SRC_DIRECTORY}FileDialog/gtk/FileDialogPrivate.cpp #not on windows.
+${LIB_SRC_DIRECTORY}FileDialog/win/FileDialogPrivate.cpp
+)
+
+
+project (FileDialog)
+add_library( FileDialog STATIC ${SOURCES})
+find_package(wxWidgets REQUIRED COMPONENTS net core base)
+include( ${wxWidgets_USE_FILE} )
+target_include_directories( FileDialog PRIVATE
+#${wxWidgets_INCLUDE_DIRS}
+${top_dir}/FileDialog
+${top_dir}/FileDialog/win
+)
+add_definitions( -DWXUSINGDLL -DWIN32 -D_LIB 
+#${wxWidgets_DEFINITIONS} 
+)
+target_link_libraries(FileDialog ${wxWidgets_LIBRARIES})