[cdt-dev] Debug button not picking up a Debug configuration?

["Steve Goodrich" <steve.goodrich@xxxxxxxxxx>]

I've got a workspace with two projects, "Fred" and "Ginger" (both are C++
projects).  I have two Debug Launch Configurations: "Ginger Default" and
"Ginger Rogers".  Note that there are no Launch Configurations for Fred. 

On the toolbar (coolbar?) immediately below the Eclipse menu bar (File,
Edit, Source, Refactor, etc.) is a button with a green bug on it, and a
little drop-down arrow/triangle on the right of the button.  When I first
launch Eclipse, hovering over this Debug button shows a tooltip: "Debug
Fred".  Clicking on this button at this time produces an error box (Caption:
"Application Launcher", Content: "Launch failed.  Binary not found.").  

If instead I click on the drop-down arrow, I see the usual menu:
	1. Ginger Default
	2. Ginger Rogers
	---------------------
	Debug As
	Debug Configurations.
	Organize Favorites

I select the first item and the expected Debug Configuration starts.

Now, though, hovering over the Debug button brings up a tooltip reading
"Debug Ginger Default", and clicking on that button will launch the Ginger
Default debug configuration.

My question: Why does Eclipse pick a non-existent Debug Launch Configuration
when it first starts?  Also, why doesn't it at least select a valid/extant
Debug Launch Configuration (even better: the last one selected)?

Thanks,
	-- Steve G.