+# This file is Free Software. It has been incorporated into, and
+# extensively modified, for secnet.
+#
+# Copyright 2001 Joey Hess
+# Copyright 2011-2014 Ian Jackson
+#
+# You may redistribute this file (and the other source files in the
+# debian/ subdirectory) freely - the copyrightholders declare that
+# they wish these files to be in the public domain.
+#
+# You may redistribute secnet as a whole and/or modify it under the
+# terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 3, or (at your option) any
+# later version.
+#
+# This software is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this software; if not, see
+# https://www.gnu.org/licenses/gpl.html.
+
+export EXTRA_CFLAGS= $(shell dpkg-buildflags --get CPPFLAGS) \
+ $(shell dpkg-buildflags --get CFLAGS)
+export EXTRA_LDFLAGS=$(shell dpkg-buildflags --get LDFLAGS)
+