diff -ruN linux-gpib-user-4.3.0.orig/language/Makefile.am linux-gpib-user-4.3.0/language/Makefile.am
--- linux-gpib-user-4.3.0.orig/language/Makefile.am	2019-08-23 11:30:12.000000000 +0300
+++ linux-gpib-user-4.3.0/language/Makefile.am	2020-04-18 16:15:15.558426112 +0300
@@ -73,4 +73,4 @@
 	$(do_subst) < $(srcdir)/perl/Makefile.PL.in >perl/Makefile.PL
 
 perl/Makefile: perl/Makefile.PL
-	-(cd perl && $(PERL) Makefile.PL)
+	-(cd perl && $(PERL) Makefile.PL PREFIX=$(EPREFIX)/usr INSTALLDIRS=vendor INSTALLMAN3DIR='none' DESTDIR="$(DESTDIR)" )