#!/usr/bin/make -f

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

export DEB_BUILD_MAINT_OPTIONS = hardening=+all future=+lfs

MUTABLE_FILES := aclocal.m4 config.in configure docs/Makefile.in \
	docs/texinfo.tex gnu/Makefile.in INSTALL install-sh Makefile.in \
	missing mkinstalldirs src/Makefile.in

%:
	dh $@

override_dh_update_autotools_config:
	dh_update_autotools_config
	for f in $(MUTABLE_FILES); do \
		cp -an $$f $$f.orig; \
	done

override_dh_clean:
	dh_clean -X.orig
	for f in $(MUTABLE_FILES); do \
		test ! -f $$f.orig || mv -f $$f.orig $$f; \
	done
