1 files changed, 1 insertions, 0 deletions

diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 5139b54d..3cc1e578 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -66,6 +66,7 @@ $(BASHSCRIPTS): Makefile
 	$(AM_V_at)$(RM) $@
 	$(AM_V_GEN)test -f $(srcdir)/$@.sh.in && m4 -P -I $(srcdir) $(srcdir)/$@.sh.in | $(edit) >$@
 	$(AM_V_at)chmod +x,a-w $@
+	@$(BASH_SHELL) -O extglob -n $@
 
 $(OURFILES): Makefile
 	$(AM_V_at)$(RM) $@ $@.tmp