## This file is part of GNU M4.
##
## Copyright (C) 2006 Free Software Foundation, Inc.
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program 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 program; see the file COPYING.  If not, write to
## the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
## Boston, MA 02110-1301, USA.
##
## This file written by Eric Blake <ebb9@byu.net>

info_TEXINFOS = m4.texinfo
m4_TEXINFOS = fdl.texi
man_MANS = m4.1
EXTRA_DIST = $(man_MANS) gendocs_template
MAINTAINERCLEANFILES = $(man_MANS) gendocs_template
SUFFIXES = .1

# Depend on configure.ac for version, m4.c for usage text.  Do not depend on
# built m4 executable, since not everyone has help2man or perl.
# Build the man page once in the srcdir, rather than in every VPATH build
# dir, to match how automake builds info pages.  This is safe for 'make
# distcheck' since it is distributed pre-built.
$(srcdir)/m4.1: $(top_srcdir)/configure.ac $(top_srcdir)/src/m4.c
	@if test -x ../src/m4$(EXEEXT) ; then \
	  echo "Updating man page m4.1" ; \
	  $(SHELL) $(top_srcdir)/missing --run \
	    help2man --name="macro processor" --source=FSF \
	      --info-page=m4 --output=$@ ../src/m4$(EXEEXT) ; \
	else \
	  echo "WARNING: The \`man' page \`$@' cannot be updated yet."; \
	  echo "         Retry once the program executable is ready."; \
	fi