1 files changed, 16 insertions, 0 deletions
diff --git a/msg.c b/msg.c
index 10f3837a..78818187 100644
--- a/msg.c
+++ b/msg.c
@@ -62,6 +62,21 @@ err(const char *s, const char *emsg, va_list argp)
 
 		(void) fprintf(stderr, "%d: ", sourceline);
 	}
+
+#ifdef HAVE_MPFR
+	if (FNR_node && is_mpg_number(FNR_node->var_value)) {
+		NODE *val;
+		val = mpg_update_var(FNR_node);
+		assert((val->flags & MPZN) != 0);
+		if (mpz_sgn(val->mpg_i) > 0) {
+			file = FILENAME_node->var_value->stptr;
+			(void) putc('(', stderr);
+			if (file)
+				(void) fprintf(stderr, "FILENAME=%s ", file);
+			(void) mpfr_fprintf(stderr, "FNR=%Zd) ", val->mpg_i);
+		}
+	} else
+#endif
 	if (FNR > 0) {
 		file = FILENAME_node->var_value->stptr;
 		(void) putc('(', stderr);
@@ -69,6 +84,7 @@ err(const char *s, const char *emsg, va_list argp)
 			(void) fprintf(stderr, "FILENAME=%s ", file);
 		(void) fprintf(stderr, "FNR=%ld) ", FNR);
 	}
+
 	(void) fprintf(stderr, "%s", s);
 	vfprintf(stderr, emsg, argp);
 	(void) fprintf(stderr, "\n");