always_inline attribute

[kum]

Hi,
I am using gcc v4.1.0 for mips (host:linux). With -O2 gcc does not
produce an inline function if the definition of the inline function is
in a different file than the caller. Am I missing something here?
Cannot I have inline function defined in different file?

inline int __attribute__((always_inline)) foo()
{
// do something;
return 0;
}

-- 
kum