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# Automakefile for GNU diffutils man pages
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# Copyright (C) 2002, 2009-2013, 2015-2017 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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dist_man1_MANS = cmp.1 diff.1 diff3.1 sdiff.1
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EXTRA_DIST = $(dist_man1_MANS:%.1=%.x) help2man
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MAINTAINERCLEANFILES = $(dist_man1_MANS)
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S = $(top_srcdir)/src
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cmp.1: $S/cmp.c cmp.x
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diff.1: $S/diff.c diff.x
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diff3.1: $S/diff3.c diff3.x
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sdiff.1: $S/sdiff.c sdiff.x
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# Directory in which just-built programs reside. It is used
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# to ensure help2man invokes them via the use of PATH below.
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bin_dir = ../src
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# Depend on the former to get version number changes.
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$(dist_man1_MANS): $(SRC_VERSION_C) help2man
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$(AM_V_GEN)base=`expr $@ : '\(.*\).1'` \
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&& test -x $(bin_dir)/$$base \
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&& (echo '[NAME]' && sed 's@/\* *@@; s/-/\\-/; q' $S/$$base.c) \
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| PATH="$(bin_dir)$(PATH_SEPARATOR)$$PATH" \
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$(srcdir)/help2man -i - -i $(srcdir)/$$base.x \
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-S '$(PACKAGE) $(VERSION)' $$base > $@-t && mv $@-t $@
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