GCC 4.0.2 m68k - invalid lvalue

[Brian Rose <lists at brianrose dot net>]

I have built gcc-4.0.2 that has m68k as the target and runs on Cygwin.

I am having trouble building RTEMS and the error I am getting is a bit 
strange. The code I attached below gives me an "invalid lvalue in 
assignment" error. I can build the code using gcc-3.4.4 (target 
i686-cygwin) with no problems.

How should I resolve this problem? What is the problem?


typedef unsigned int   unsigned32;     /* unsigned 32-bit integer */
typedef unsigned32 rtems_event_set;


typedef struct {
  unsigned32            count;           /* "generic" fields to be used */
}   Thread_Wait_information;

struct Thread_Control_struct {
  Thread_Wait_information               Wait;
};


typedef struct Thread_Control_struct Thread_Control;

int main( int argc, char * argv[] )
{
    Thread_Control * the_thread = (Thread_Control * )0x12345678;

    (rtems_event_set) the_thread->Wait.count = 0;

    return 0;
}


--

Brian

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