On Tue, Feb 03, 2009 at 05:40:33PM -0600, Jason L Tibbitts III wrote:
> Unfortunately this includes my package xu4, and while I do have some
> C++ experience (college was some time ago), the exact reason this has
> just started failing with 4.4 is eluding me.
The difference from 4.3 to 4.4 in this case is again <string> no longer
including <cstdio>.
You have:
#include <string>
...
#include <stdio.h>
...
struct U4FILE {
...
virtual int putc(int c) = 0;
...
};
...
In 4.3 <string> would include <cstdio>, which includes <stdio.h> and
then #undefs a bunch of stuff, including putc, which is allowed to be a
macro in C. Then stdio.h is included, but as it uses multiple inclusion
guards, it does nothing. In 4.4 <string> no longer does that, <cstdio>
isn't included and so when stdio.h is included, it defines putc etc.
and nothing undefs it afterwards.
To fix this, #include <cstdio> instead of #include <stdio.h> (this is
probably not an option in this case, as stdio.h include comes from SDL
headers which are both for C and C++, so can't include cstdio), or
#include <cstdio> before including <stdio.h> (preferred), or surround
putc with ()s, as in:
virtual int (putc)(int c) = 0;
Jakub
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