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## Makefile.am - template for generating Makefile via Automake
##
## Copyright (C) 2006-2013 Free Software Foundation, Inc.
##
## This file is part of GNU M4.
##
## GNU M4 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 3 of the License, or
## (at your option) any later version.
##
## GNU M4 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. If not, see <http://www.gnu.org/licenses/>.
##
## This file written by Eric Blake <ebb9@byu.net>
info_TEXINFOS = m4.texi
m4_TEXINFOS = fdl-1.3.texi gpl-3.0.texi
man_MANS = $(srcdir)/m4.1
EXTRA_DIST = $(man_MANS) gendocs_template
MAINTAINERCLEANFILES = $(man_MANS) gendocs_template
SUFFIXES = .1
HELP2MAN = $(SHELL) $(top_srcdir)/build-aux/missing --run help2man
# Depend on ../.version 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)/.version $(top_srcdir)/src/m4.c
@if test -x ../src/m4$(EXEEXT) ; then \
echo "Updating man page m4.1" ; \
$(HELP2MAN) --name="macro processor" --source='$(PACKAGE_STRING)' \
--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
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