--- a/Makefile.in	2024-04-05 07:51:48.394437050 -0000
+++ b/Makefile.in	2024-04-05 07:52:38.731388961 -0000
@@ -214,7 +214,7 @@
 INSDEP = x86/insns.dat x86/insns.pl x86/insns-iflags.ph x86/iflags.ph
 
 config/unconfig.h: config/config.h.in
-	$(RUNPERL) $(tools)/unconfig.pl \
+	$(RUNPERL) $(top_srcdir)/autoconf/unconfig.pl \
 		'$(srcdir)' config/config.h.in config/unconfig.h
 
 x86/iflag.c: $(INSDEP)