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-rw-r--r--build-aux/Makefile.once.head/10-gnuconf.mk4
1 files changed, 3 insertions, 1 deletions
diff --git a/build-aux/Makefile.once.head/10-gnuconf.mk b/build-aux/Makefile.once.head/10-gnuconf.mk
index a4b76964f4..e24dfa11d6 100644
--- a/build-aux/Makefile.once.head/10-gnuconf.mk
+++ b/build-aux/Makefile.once.head/10-gnuconf.mk
@@ -1,4 +1,4 @@
-# Copyright (C) 2016 Luke Shumaker
+# Copyright (C) 2016-2017 Luke Shumaker
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
@@ -101,6 +101,8 @@ TEXI2DVIFLAGS ?=
YACC ?= yacc
YFLAGS ?= # YFLAGS instead of YACCFLAGS
+CPPFLAGS ?=
+
LN_S ?= ln -s # TODO[2]
CHGRP ?= chgrp