$NetBSD$

--- configure.orig	2017-06-02 19:25:44.000000000 +0200
+++ configure	2020-04-01 21:30:46.000000000 +0200
@@ -21,10 +21,10 @@
 infodir='$(datarootdir)/info'
 mandir='$(datarootdir)/man'
 sysconfdir='$(prefix)/etc'
-CXX=g++
-CPPFLAGS=
-CXXFLAGS='-Wall -W -O2'
-LDFLAGS=
+#CXX=g++
+#CPPFLAGS=
+#CXXFLAGS='-Wall -W -O2'
+#LDFLAGS=
 
 # checking whether we are using GNU C++.
 /bin/sh -c "${CXX} --version" > /dev/null 2>&1 ||
