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# Make coreutils man pages.				-*-Makefile-*-

# Copyright (C) 2002-2012 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 3 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.  If not, see <http://www.gnu.org/licenses/>.

dist_man1_MANS = $(MAN)

man_aux = $(dist_man1_MANS:.1=.x)

EXTRA_DIST = $(man_aux) $(NO_INSTALL_PROGS_DEFAULT:%=%.x) help2man \
	$(NO_INSTALL_PROGS_DEFAULT:%=%.1)
MAINTAINERCLEANFILES = $(dist_man1_MANS)

# Depend on ../.version to get version number changes.
common_dep = ../.version

# Note that arch depends on uname.c
arch.1:		$(common_dep)	$(srcdir)/arch.x	../src/uname.c

base64.1:	$(common_dep)	$(srcdir)/base64.x	../src/base64.c
basename.1:	$(common_dep)	$(srcdir)/basename.x	../src/basename.c
cat.1:		$(common_dep)	$(srcdir)/cat.x		../src/cat.c
chcon.1:	$(common_dep)	$(srcdir)/chcon.x	../src/chcon.c
chgrp.1:	$(common_dep)	$(srcdir)/chgrp.x	../src/chgrp.c
chmod.1:	$(common_dep)	$(srcdir)/chmod.x	../src/chmod.c
chown.1:	$(common_dep)	$(srcdir)/chown.x	../src/chown.c
chroot.1:	$(common_dep)	$(srcdir)/chroot.x	../src/chroot.c
cksum.1:	$(common_dep)	$(srcdir)/cksum.x	../src/cksum.c
comm.1:		$(common_dep)	$(srcdir)/comm.x	../src/comm.c
cp.1:		$(common_dep)	$(srcdir)/cp.x		../src/cp.c
csplit.1:	$(common_dep)	$(srcdir)/csplit.x	../src/csplit.c
cut.1:		$(common_dep)	$(srcdir)/cut.x		../src/cut.c
date.1:		$(common_dep)	$(srcdir)/date.x	../src/date.c
dd.1:		$(common_dep)	$(srcdir)/dd.x		../src/dd.c
df.1:		$(common_dep)	$(srcdir)/df.x		../src/df.c

# Note that dir depends on ls.c, since that's where it's --help text is.
dir.1:		$(common_dep)	$(srcdir)/dir.x		../src/ls.c

dircolors.1:	$(common_dep)	$(srcdir)/dircolors.x	../src/dircolors.c
dirname.1:	$(common_dep)	$(srcdir)/dirname.x	../src/dirname.c
du.1:		$(common_dep)	$(srcdir)/du.x		../src/du.c
echo.1:		$(common_dep)	$(srcdir)/echo.x	../src/echo.c
env.1:		$(common_dep)	$(srcdir)/env.x		../src/env.c
expand.1:	$(common_dep)	$(srcdir)/expand.x	../src/expand.c
expr.1:		$(common_dep)	$(srcdir)/expr.x	../src/expr.c
factor.1:	$(common_dep)	$(srcdir)/factor.x	../src/factor.c
false.1:	$(common_dep)	$(srcdir)/false.x	../src/false.c
fmt.1:		$(common_dep)	$(srcdir)/fmt.x		../src/fmt.c
fold.1:		$(common_dep)	$(srcdir)/fold.x	../src/fold.c
groups.1:	$(common_dep)	$(srcdir)/groups.x	../src/groups.c
head.1:		$(common_dep)	$(srcdir)/head.x	../src/head.c
hostid.1:	$(common_dep)	$(srcdir)/hostid.x	../src/hostid.c
hostname.1:	$(common_dep)	$(srcdir)/hostname.x	../src/hostname.c
id.1:		$(common_dep)	$(srcdir)/id.x		../src/id.c
install.1:	$(common_dep)	$(srcdir)/install.x	../src/install.c
join.1:		$(common_dep)	$(srcdir)/join.x	../src/join.c
kill.1:		$(common_dep)	$(srcdir)/kill.x	../src/kill.c
link.1:		$(common_dep)	$(srcdir)/link.x	../src/link.c
ln.1:		$(common_dep)	$(srcdir)/ln.x		../src/ln.c
logname.1:	$(common_dep)	$(srcdir)/logname.x	../src/logname.c
ls.1:		$(common_dep)	$(srcdir)/ls.x		../src/ls.c
md5sum.1:	$(common_dep)	$(srcdir)/md5sum.x	../src/md5sum.c
mkdir.1:	$(common_dep)	$(srcdir)/mkdir.x	../src/mkdir.c
mkfifo.1:	$(common_dep)	$(srcdir)/mkfifo.x	../src/mkfifo.c
mknod.1:	$(common_dep)	$(srcdir)/mknod.x	../src/mknod.c
mktemp.1:	$(common_dep)	$(srcdir)/mktemp.x	../src/mktemp.c
mv.1:		$(common_dep)	$(srcdir)/mv.x		../src/mv.c
nice.1:		$(common_dep)	$(srcdir)/nice.x	../src/nice.c
nl.1:		$(common_dep)	$(srcdir)/nl.x		../src/nl.c
nohup.1:	$(common_dep)	$(srcdir)/nohup.x	../src/nohup.c
nproc.1:	$(common_dep)	$(srcdir)/nproc.x	../src/nproc.c
od.1:		$(common_dep)	$(srcdir)/od.x		../src/od.c
paste.1:	$(common_dep)	$(srcdir)/paste.x	../src/paste.c
pathchk.1:	$(common_dep)	$(srcdir)/pathchk.x	../src/pathchk.c
pinky.1:	$(common_dep)	$(srcdir)/pinky.x	../src/pinky.c
pr.1:		$(common_dep)	$(srcdir)/pr.x		../src/pr.c
printenv.1:	$(common_dep)	$(srcdir)/printenv.x	../src/printenv.c
printf.1:	$(common_dep)	$(srcdir)/printf.x	../src/printf.c
ptx.1:		$(common_dep)	$(srcdir)/ptx.x		../src/ptx.c
pwd.1:		$(common_dep)	$(srcdir)/pwd.x		../src/pwd.c
readlink.1:	$(common_dep)	$(srcdir)/readlink.x	../src/readlink.c
rm.1:		$(common_dep)	$(srcdir)/rm.x		../src/rm.c
rmdir.1:	$(common_dep)	$(srcdir)/rmdir.x	../src/rmdir.c
runcon.1:	$(common_dep)	$(srcdir)/runcon.x	../src/runcon.c
seq.1:		$(common_dep)	$(srcdir)/seq.x		../src/seq.c
sha1sum.1:	$(common_dep)	$(srcdir)/sha1sum.x	../src/md5sum.c
sha224sum.1:	$(common_dep)	$(srcdir)/sha224sum.x	../src/md5sum.c
sha256sum.1:	$(common_dep)	$(srcdir)/sha256sum.x	../src/md5sum.c
sha384sum.1:	$(common_dep)	$(srcdir)/sha384sum.x	../src/md5sum.c
sha512sum.1:	$(common_dep)	$(srcdir)/sha512sum.x	../src/md5sum.c
shred.1:	$(common_dep)	$(srcdir)/shred.x	../src/shred.c
shuf.1:		$(common_dep)	$(srcdir)/shuf.x	../src/shuf.c
sleep.1:	$(common_dep)	$(srcdir)/sleep.x	../src/sleep.c
sort.1:		$(common_dep)	$(srcdir)/sort.x	../src/sort.c
split.1:	$(common_dep)	$(srcdir)/split.x	../src/split.c
stat.1:		$(common_dep)	$(srcdir)/stat.x	../src/stat.c
stdbuf.1:	$(common_dep)	$(srcdir)/stdbuf.x	../src/stdbuf.c
stty.1:		$(common_dep)	$(srcdir)/stty.x	../src/stty.c
su.1:		$(common_dep)	$(srcdir)/su.x		../src/su.c
sum.1:		$(common_dep)	$(srcdir)/sum.x		../src/sum.c
sync.1:		$(common_dep)	$(srcdir)/sync.x	../src/sync.c
tac.1:		$(common_dep)	$(srcdir)/tac.x		../src/tac.c
tail.1:		$(common_dep)	$(srcdir)/tail.x	../src/tail.c
tee.1:		$(common_dep)	$(srcdir)/tee.x		../src/tee.c
test.1:		$(common_dep)	$(srcdir)/test.x	../src/test.c
timeout.1:	$(common_dep)	$(srcdir)/timeout.x	../src/timeout.c
touch.1:	$(common_dep)	$(srcdir)/touch.x	../src/touch.c
tr.1:		$(common_dep)	$(srcdir)/tr.x		../src/tr.c
true.1:		$(common_dep)	$(srcdir)/true.x	../src/true.c
truncate.1:	$(common_dep)	$(srcdir)/truncate.x	../src/truncate.c
tsort.1:	$(common_dep)	$(srcdir)/tsort.x	../src/tsort.c
tty.1:		$(common_dep)	$(srcdir)/tty.x		../src/tty.c
uname.1:	$(common_dep)	$(srcdir)/uname.x	../src/uname.c
unexpand.1:	$(common_dep)	$(srcdir)/unexpand.x	../src/unexpand.c
uniq.1:		$(common_dep)	$(srcdir)/uniq.x	../src/uniq.c
unlink.1:	$(common_dep)	$(srcdir)/unlink.x	../src/unlink.c
uptime.1:	$(common_dep)	$(srcdir)/uptime.x	../src/uptime.c
users.1:	$(common_dep)	$(srcdir)/users.x	../src/users.c
vdir.1:		$(common_dep)	$(srcdir)/vdir.x	../src/ls.c
wc.1:		$(common_dep)	$(srcdir)/wc.x		../src/wc.c
who.1:		$(common_dep)	$(srcdir)/who.x		../src/who.c
whoami.1:	$(common_dep)	$(srcdir)/whoami.x	../src/whoami.c
yes.1:		$(common_dep)	$(srcdir)/yes.x		../src/yes.c

# This is required so that changes to e.g., emit_bug_reporting_address
# provoke regeneration of all $(MAN) files.
$(MAN): $(top_srcdir)/src/system.h

SUFFIXES = .x .1

# Ensure that help2man runs the ../src/ginstall binary as
# `install' when creating install.1.
# Similarly, ensure that it uses the ../src/[ binary to create test.1.
t = $*.td
mapped_name = `echo $*|sed 's/^install$$/ginstall/; s/^test$$/[/'`

# Note the use of $t/$*, rather than just `$*' as in other packages.
# That is necessary to avoid failures for programs that are also shell built-in
# functions like echo, false, printf, pwd.
.x.1:
	$(AM_V_GEN)case '$(PERL)' in				\
	  *"/missing "*)					\
	    echo 'WARNING: cannot update man page $@ since perl is missing' \
	      'or inadequate' 1>&2				\
	    ;;							\
	  *)							\
	    rm -f $@ $@-t					\
	    && {						\
		 rm -rf $t;					\
		 mkdir $t;					\
		 (cd $t && $(LN_S) ../../src/$(mapped_name) $*); \
		    $(PERL) -- $(srcdir)/help2man		\
		     --source='$(PACKAGE_STRING)'		\
		     --include=$(srcdir)/$*.x			\
		     --output=$t/$@ $t/$*;			\
	       }						\
	    && sed 's|$*\.td/||g' $t/$@ > $@-t			\
	    && rm -rf $t					\
	    && chmod -w $@-t					\
	    && mv $@-t $@					\
	    ;;							\
	esac

# Option descriptions should not start with a capital letter
.PHONY: sc_option_desc_uppercase
sc_option_desc_uppercase: $(dist_man1_MANS) $(NO_INSTALL_PROGS_DEFAULT:%=%.1)
	@grep '^\\fB\\-' -A1 *.1 | LC_ALL=C grep '\.1.[A-Z][a-z]' && \
	    { echo 1>&2 '$(ME): found initial capitals in --help';   \
	      exit 1; } || :;

.PHONY: sc_man_file_correlation
sc_man_file_correlation: check-x-vs-1 check-programs-vs-x

# Sort in traditional ASCII order, regardless of the current locale;
# otherwise we may get into trouble with distinct strings that the
# current locale considers to be equal.
ASSORT = LC_ALL=C sort

# Ensure that for each .x file in this directory, there is a
# corresponding .1 file in the definition of $(dist_man1_MANS) above.
# But since that expansion usually lacks programs like su and arch,
# add them here manually.
.PHONY: check-x-vs-1
check-x-vs-1:
	@PATH=../src$(PATH_SEPARATOR)$$PATH; export PATH;		\
	t=$@-t;								\
	(cd $(srcdir) && ls -1 *.x) | sed 's/\.x$$//' | $(ASSORT) > $$t;\
	(echo $(dist_man1_MANS) $(NO_INSTALL_PROGS_DEFAULT)		\
	  | tr -s ' ' '\n' | sed 's/\.1$$//')				\
	  | $(ASSORT) -u | diff - $$t || { rm $$t; exit 1; };		\
	rm $$t

all_programs =								\
      (cd ../src && MAKEFLAGS= $(MAKE) -s all_programs.list)		\
       | grep -v '\['

.PHONY: check-programs-vs-x
check-programs-vs-x:
	@status=0;					\
	for p in dummy `$(all_programs)`; do		\
	  test $$p = dummy && continue;			\
	  test $$p = ginstall && p=install || : ;	\
	  test -f $(srcdir)/$$p.x			\
	    || { echo missing $$p.x 1>&2; status=1; };	\
	done;						\
	exit $$status