extern void smtp_vprintf(const char *, BOOL, va_list);
#define string_sprintf(fmt, ...) \
- string_sprintf_trc(fmt, US __FUNCTION__, __LINE__ __VA_OPT__(,) __VA_ARGS__)
+ string_sprintf_trc(fmt, US __FUNCTION__, __LINE__, __VA_ARGS__)
extern uschar *string_sprintf_trc(const char *, const uschar *, unsigned, ...) ALMOST_PRINTF(1,4);
-#ifdef LOCAL_SCAN
+#if defined(LOCAL_SCAN) || defined(DLFUNC_IMPL)
/* When compiling a local_scan() file we want to rename a published API, so that
we can use an inlined implementation in the compiles of the main Exim files,
with the original name. */