--- linux-gpib-4.0.3/language/Makefile.am.orig 2016-04-09 15:33:09.000000000 +0200
+++ linux-gpib-4.0.3/language/Makefile.am 2016-07-05 15:42:10.671996823 +0200
@@ -67,4 +67,4 @@
- $(RM) perl/Makefile
+ $(do_subst) < $(srcdir)/perl/Makefile.PL.in >perl/Makefile.PL
- perl/Makefile:
+ perl/Makefile: perl/Makefile.PL
- -(cd perl && $(PERL) Makefile.PL)
+ -(cd perl && $(PERL) Makefile.PL INSTALLDIRS=vendor CC="$(CC)" OPTIMIZE="$(CFLAGS)")