glibc has a preprocessor macro called internal_function which switches to a different calling convention on certain targets (i386 uses stdcall and regparams). For non-K&R function definitions, the compiler enforces that both the prototype declaration and the definition match. When someone writes a patch on a different architecture than i386 and forgets to specify internal_function on both prototype and definition, the build will pass, even though i386 will not compile. Is there a way to use a certain harmless attribute to detect this mismatch even on architectures where internal_function has no effect?
