WIN32 build of a GTK2 app

[Graham Swallow <Information-Cascade ntlworld com>]

I'm trying to compile/link/run a GTK app on WIN32 (it works on Linux).
I'm using:

	MinGW-2.0.0-3.exe
	MSYS-1.0.8-rc-1.exe
	gtk+-dev-2.2.0-20030119.zip

It links, but at run time says (in a popup dialog):

	Gtk-ERROR Incompatible build
	The code using GTK+ thinks GtkBox is of different
	size than it actually is on this build of GTK+
	On Windows ... without the -fnative-struct
	[or -mms-bitfields] switch, or ar using an unsupported
	compiler ...

So I go back to using the option and get the compile error:
	
	cc1plus.exe: unrecognised option '-fnative-struct'

Can someone please help me out here, what g++/msys works?

-- 
   regards
--
   Graham
   Information-Cascade  -at- ntlworld.com