--- /dev/null
+diff -urN dnstracer-1.7.orig/Makefile.am dnstracer-1.7/Makefile.am
+--- dnstracer-1.7.orig/Makefile.am 2003-02-14 11:04:03.000000000 +0100
++++ dnstracer-1.7/Makefile.am 2003-08-07 22:35:05.000000000 +0200
+@@ -3,7 +3,7 @@
+ man_MANS = dnstracer.8
+
+ AM_CFLAGS=-Wall
+-@NOIPV6_TRUE@AM_CFLAGS+= -DNOIPV6
++@NOIPV6_TRUE@AM_CFLAGS = -DNOIPV6
+
+ dnstracer.8: dnstracer.pod
+ $(PERL2MAN_RULE)