already defined. This avoids a warning from buffer.c.
/* Get the correct __FreeBSD_version, even if this is before that was
defined. */
+#ifndef __FreeBSD_version
#ifndef __FreeBSD__
#define __FreeBSD_version 199401
#elif __FreeBSD__ == 1
#else
#include <osreldate.h>
#endif
+#endif /* !defined __FreeBSD_version */
/* '__FreeBSD__' is defined by the preprocessor on FreeBSD-1.1 and up.
Earlier versions do not have shared libraries, so inhibit them.