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File: [cvsweb.bsd.lv] / mandoc / Makefile (download)

Revision 1.528, Mon Mar 4 13:01:57 2019 UTC (5 years ago) by schwarze
Branch: MAIN
Changes since 1.527: +5 -3 lines

When the -S option is given to man(1) and the requested manual page
name is not found and the requested architecture is unknown, complain
about the architecture rather than about the manual page name:

$ man -S vax cpu
man: Unknown architecture "vax".
$ man -S sparc64 foobar
man: No entry for foobar in the manual.

Friendlier error message suggested by jmc@, who also OK'ed the patch.

# $Id: Makefile,v 1.528 2019/03/04 13:01:57 schwarze Exp $
#
# Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
# Copyright (c) 2011, 2013-2019 Ingo Schwarze <schwarze@openbsd.org>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

VERSION = 1.14.4

# === LIST OF FILES ====================================================

TESTSRCS	 = test-be32toh.c \
		   test-cmsg.c \
		   test-dirent-namlen.c \
		   test-EFTYPE.c \
		   test-err.c \
		   test-fts.c \
		   test-getline.c \
		   test-getsubopt.c \
		   test-isblank.c \
		   test-mkdtemp.c \
		   test-nanosleep.c \
		   test-noop.c \
		   test-ntohl.c \
		   test-O_DIRECTORY.c \
		   test-ohash.c \
		   test-PATH_MAX.c \
		   test-pledge.c \
		   test-progname.c \
		   test-recvmsg.c \
		   test-reallocarray.c \
		   test-recallocarray.c \
		   test-rewb-bsd.c \
		   test-rewb-sysv.c \
		   test-sandbox_init.c \
		   test-strcasestr.c \
		   test-stringlist.c \
		   test-strlcat.c \
		   test-strlcpy.c \
		   test-strndup.c \
		   test-strptime.c \
		   test-strsep.c \
		   test-strtonum.c \
		   test-vasprintf.c \
		   test-wchar.c

SRCS		 = arch.c \
		   att.c \
		   catman.c \
		   cgi.c \
		   chars.c \
		   compat_err.c \
		   compat_fts.c \
		   compat_getline.c \
		   compat_getsubopt.c \
		   compat_isblank.c \
		   compat_mkdtemp.c \
		   compat_ohash.c \
		   compat_progname.c \
		   compat_reallocarray.c \
		   compat_recallocarray.c \
		   compat_strcasestr.c \
		   compat_stringlist.c \
		   compat_strlcat.c \
		   compat_strlcpy.c \
		   compat_strndup.c \
		   compat_strsep.c \
		   compat_strtonum.c \
		   compat_vasprintf.c \
		   dba.c \
		   dba_array.c \
		   dba_read.c \
		   dba_write.c \
		   dbm.c \
		   dbm_map.c \
		   demandoc.c \
		   eqn.c \
		   eqn_html.c \
		   eqn_term.c \
		   html.c \
		   lib.c \
		   main.c \
		   man.c \
		   man_html.c \
		   man_macro.c \
		   man_term.c \
		   man_validate.c \
		   mandoc.c \
		   mandoc_aux.c \
		   mandoc_msg.c \
		   mandoc_ohash.c \
		   mandoc_xr.c \
		   mandocd.c \
		   mandocdb.c \
		   manpath.c \
		   mansearch.c \
		   mdoc.c \
		   mdoc_argv.c \
		   mdoc_html.c \
		   mdoc_macro.c \
		   mdoc_man.c \
		   mdoc_markdown.c \
		   mdoc_state.c \
		   mdoc_term.c \
		   mdoc_validate.c \
		   msec.c \
		   out.c \
		   preconv.c \
		   read.c \
		   roff.c \
		   roff_html.c \
		   roff_term.c \
		   roff_validate.c \
		   soelim.c \
		   st.c \
		   tag.c \
		   tbl.c \
		   tbl_data.c \
		   tbl_html.c \
		   tbl_layout.c \
		   tbl_opts.c \
		   tbl_term.c \
		   term.c \
		   term_ascii.c \
		   term_ps.c \
		   term_tab.c \
		   tree.c

DISTFILES	 = INSTALL \
		   LICENSE \
		   Makefile \
		   Makefile.depend \
		   NEWS \
		   TODO \
		   apropos.1 \
		   catman.8 \
		   cgi.h.example \
		   compat_fts.h \
		   compat_ohash.h \
		   compat_stringlist.h \
		   configure \
		   configure.local.example \
		   dba.h \
		   dba_array.h \
		   dba_write.h \
		   dbm.h \
		   dbm_map.h \
		   demandoc.1 \
		   eqn.7 \
		   eqn.h \
		   eqn_parse.h \
		   gmdiff \
		   html.h \
		   lib.in \
		   libman.h \
		   libmandoc.h \
		   libmdoc.h \
		   main.h \
		   makewhatis.8 \
		   man.1 \
		   man.7 \
		   man.cgi.3 \
		   man.cgi.8 \
		   man.conf.5 \
		   man.h \
		   man.options.1 \
		   manconf.h \
		   mandoc.1 \
		   mandoc.3 \
		   mandoc.css \
		   mandoc.db.5 \
		   mandoc.h \
		   mandoc_aux.h \
		   mandoc_char.7 \
		   mandoc_escape.3 \
		   mandoc_headers.3 \
		   mandoc_html.3 \
		   mandoc_malloc.3 \
		   mandoc_ohash.h \
		   mandoc_parse.h \
		   mandoc_xr.h \
		   mandocd.8 \
		   mansearch.3 \
		   mansearch.h \
		   mchars_alloc.3 \
		   mdoc.7 \
		   mdoc.h \
		   msec.in \
		   out.h \
		   predefs.in \
		   roff.7 \
		   roff.h \
		   roff_int.h \
		   soelim.1 \
		   tag.h \
		   tbl.3 \
		   tbl.7 \
		   tbl.h \
		   tbl_int.h \
		   tbl_parse.h \
		   term.h \
		   $(SRCS) \
		   $(TESTSRCS)

LIBMAN_OBJS	 = man.o \
		   man_macro.o \
		   man_validate.o

LIBMDOC_OBJS	 = att.o \
		   lib.o \
		   mdoc.o \
		   mdoc_argv.o \
		   mdoc_macro.o \
		   mdoc_state.o \
		   mdoc_validate.o \
		   st.o

LIBROFF_OBJS	 = eqn.o \
		   roff.o \
		   roff_validate.o \
		   tbl.o \
		   tbl_data.o \
		   tbl_layout.o \
		   tbl_opts.o

LIBMANDOC_OBJS	 = $(LIBMAN_OBJS) \
		   $(LIBMDOC_OBJS) \
		   $(LIBROFF_OBJS) \
		   arch.o \
		   chars.o \
		   mandoc.o \
		   mandoc_aux.o \
		   mandoc_msg.o \
		   mandoc_ohash.o \
		   mandoc_xr.o \
		   msec.o \
		   preconv.o \
		   read.o

COMPAT_OBJS	 = compat_err.o \
		   compat_fts.o \
		   compat_getline.o \
		   compat_getsubopt.o \
		   compat_isblank.o \
		   compat_mkdtemp.o \
		   compat_ohash.o \
		   compat_progname.o \
		   compat_reallocarray.o \
		   compat_recallocarray.o \
		   compat_strcasestr.o \
		   compat_strlcat.o \
		   compat_strlcpy.o \
		   compat_strndup.o \
		   compat_strsep.o \
		   compat_strtonum.o \
		   compat_vasprintf.o

MANDOC_HTML_OBJS = eqn_html.o \
		   html.o \
		   man_html.o \
		   mdoc_html.o \
		   roff_html.o \
		   tbl_html.o

MANDOC_TERM_OBJS = eqn_term.o \
		   man_term.o \
		   mdoc_term.o \
		   roff_term.o \
		   term.o \
		   term_ascii.o \
		   term_ps.o \
		   term_tab.o \
		   tbl_term.o

DBM_OBJS	 = dbm.o \
		   dbm_map.o \
		   mansearch.o

DBA_OBJS	 = dba.o \
		   dba_array.o \
		   dba_read.o \
		   dba_write.o \
		   mandocdb.o

MAIN_OBJS	 = $(MANDOC_HTML_OBJS) \
		   $(MANDOC_MAN_OBJS) \
		   $(MANDOC_TERM_OBJS) \
		   $(DBM_OBJS) \
		   $(DBA_OBJS) \
		   main.o \
		   manpath.o \
		   mdoc_man.o \
		   mdoc_markdown.o \
		   out.o \
		   tag.o \
		   tree.o

CGI_OBJS	 = $(MANDOC_HTML_OBJS) \
		   $(DBM_OBJS) \
		   cgi.o \
		   out.o

MANDOCD_OBJS	 = $(MANDOC_HTML_OBJS) \
		   $(MANDOC_TERM_OBJS) \
		   mandocd.o \
		   out.o \
		   tag.o

DEMANDOC_OBJS	 = demandoc.o

SOELIM_OBJS	 = soelim.o \
		   compat_err.o \
		   compat_getline.o \
		   compat_progname.o \
		   compat_reallocarray.o \
		   compat_stringlist.o

WWW_MANS	 = apropos.1.html \
		   demandoc.1.html \
		   man.1.html \
		   man.options.1.html \
		   mandoc.1.html \
		   soelim.1.html \
		   man.cgi.3.html \
		   mandoc.3.html \
		   mandoc_escape.3.html \
		   mandoc_headers.3.html \
		   mandoc_html.3.html \
		   mandoc_malloc.3.html \
		   mansearch.3.html \
		   mchars_alloc.3.html \
		   tbl.3.html \
		   man.conf.5.html \
		   mandoc.db.5.html \
		   eqn.7.html \
		   man.7.html \
		   mandoc_char.7.html \
		   mdoc.7.html \
		   roff.7.html \
		   tbl.7.html \
		   catman.8.html \
		   makewhatis.8.html \
		   man.cgi.8.html \
		   mandocd.8.html

WWW_INCS	 = eqn.h.html \
		   man.h.html \
		   manconf.h.html \
		   mandoc.h.html \
		   mandoc_aux.h.html \
		   mandoc_parse.h.html \
		   mansearch.h.html \
		   mdoc.h.html \
		   roff.h.html \
		   tbl.h.html

# === USER CONFIGURATION ===============================================

include Makefile.local

# === DEPENDENCY HANDLING ==============================================

all: mandoc demandoc soelim $(BUILD_TARGETS) Makefile.local

install: base-install $(INSTALL_TARGETS)

www: $(WWW_MANS) $(WWW_INCS)

$(WWW_MANS) $(WWW_INCS): mandoc

.PHONY: base-install cgi-install install www-install
.PHONY: clean distclean depend

include Makefile.depend

# === TARGETS CONTAINING SHELL COMMANDS ================================

distclean: clean
	rm -f Makefile.local config.h config.h.old config.log config.log.old

clean:
	rm -f libmandoc.a $(LIBMANDOC_OBJS) $(COMPAT_OBJS)
	rm -f mandoc $(MAIN_OBJS)
	rm -f man.cgi $(CGI_OBJS)
	rm -f mandocd catman catman.o $(MANDOCD_OBJS)
	rm -f demandoc $(DEMANDOC_OBJS)
	rm -f soelim $(SOELIM_OBJS)
	rm -f $(WWW_MANS) $(WWW_INCS) mandoc*.tar.gz mandoc*.sha256
	rm -rf *.dSYM

base-install: mandoc demandoc soelim
	mkdir -p $(DESTDIR)$(BINDIR)
	mkdir -p $(DESTDIR)$(SBINDIR)
	mkdir -p $(DESTDIR)$(MANDIR)/man1
	mkdir -p $(DESTDIR)$(MANDIR)/man5
	mkdir -p $(DESTDIR)$(MANDIR)/man7
	mkdir -p $(DESTDIR)$(MANDIR)/man8
	$(INSTALL_PROGRAM) mandoc demandoc $(DESTDIR)$(BINDIR)
	$(INSTALL_PROGRAM) soelim $(DESTDIR)$(BINDIR)/$(BINM_SOELIM)
	cd $(DESTDIR)$(BINDIR) && $(LN) mandoc $(BINM_MAN)
	cd $(DESTDIR)$(BINDIR) && $(LN) mandoc $(BINM_APROPOS)
	cd $(DESTDIR)$(BINDIR) && $(LN) mandoc $(BINM_WHATIS)
	cd $(DESTDIR)$(SBINDIR) && \
		$(LN) ${BIN_FROM_SBIN}/mandoc $(BINM_MAKEWHATIS)
	$(INSTALL_MAN) mandoc.1 demandoc.1 $(DESTDIR)$(MANDIR)/man1
	$(INSTALL_MAN) soelim.1 $(DESTDIR)$(MANDIR)/man1/$(BINM_SOELIM).1
	$(INSTALL_MAN) man.1 $(DESTDIR)$(MANDIR)/man1/$(BINM_MAN).1
	$(INSTALL_MAN) apropos.1 $(DESTDIR)$(MANDIR)/man1/$(BINM_APROPOS).1
	cd $(DESTDIR)$(MANDIR)/man1 && $(LN) $(BINM_APROPOS).1 $(BINM_WHATIS).1
	$(INSTALL_MAN) man.conf.5 $(DESTDIR)$(MANDIR)/man5/$(MANM_MANCONF).5
	$(INSTALL_MAN) mandoc.db.5 $(DESTDIR)$(MANDIR)/man5
	$(INSTALL_MAN) man.7 $(DESTDIR)$(MANDIR)/man7/$(MANM_MAN).7
	$(INSTALL_MAN) mdoc.7 $(DESTDIR)$(MANDIR)/man7/$(MANM_MDOC).7
	$(INSTALL_MAN) roff.7 $(DESTDIR)$(MANDIR)/man7/$(MANM_ROFF).7
	$(INSTALL_MAN) eqn.7 $(DESTDIR)$(MANDIR)/man7/$(MANM_EQN).7
	$(INSTALL_MAN) tbl.7 $(DESTDIR)$(MANDIR)/man7/$(MANM_TBL).7
	$(INSTALL_MAN) mandoc_char.7 $(DESTDIR)$(MANDIR)/man7
	$(INSTALL_MAN) makewhatis.8 \
		$(DESTDIR)$(MANDIR)/man8/$(BINM_MAKEWHATIS).8

lib-install: libmandoc.a
	mkdir -p $(DESTDIR)$(LIBDIR)
	mkdir -p $(DESTDIR)$(INCLUDEDIR)
	mkdir -p $(DESTDIR)$(MANDIR)/man3
	$(INSTALL_LIB) libmandoc.a $(DESTDIR)$(LIBDIR)
	$(INSTALL_LIB) eqn.h man.h mandoc.h mandoc_aux.h mandoc_parse.h \
		mdoc.h roff.h tbl.h $(DESTDIR)$(INCLUDEDIR)
	$(INSTALL_MAN) mandoc.3 mandoc_escape.3 mandoc_malloc.3 \
		mansearch.3 mchars_alloc.3 tbl.3 $(DESTDIR)$(MANDIR)/man3

cgi-install: man.cgi
	mkdir -p $(DESTDIR)$(CGIBINDIR)
	mkdir -p $(DESTDIR)$(HTDOCDIR)
	$(INSTALL_PROGRAM) man.cgi $(DESTDIR)$(CGIBINDIR)
	$(INSTALL_DATA) mandoc.css $(DESTDIR)$(HTDOCDIR)

catman-install: mandocd catman
	mkdir -p $(DESTDIR)$(SBINDIR)
	mkdir -p $(DESTDIR)$(MANDIR)/man8
	$(INSTALL_PROGRAM) mandocd $(DESTDIR)$(SBINDIR)
	$(INSTALL_PROGRAM) catman $(DESTDIR)$(SBINDIR)/$(BINM_CATMAN)
	$(INSTALL_MAN) mandocd.8 $(DESTDIR)$(MANDIR)/man8
	$(INSTALL_MAN) catman.8 $(DESTDIR)$(MANDIR)/man8/$(BINM_CATMAN).8

uninstall:
	rm -f $(DESTDIR)$(BINDIR)/mandoc
	rm -f $(DESTDIR)$(BINDIR)/demandoc
	rm -f $(DESTDIR)$(BINDIR)/$(BINM_SOELIM)
	rm -f $(DESTDIR)$(BINDIR)/$(BINM_MAN)
	rm -f $(DESTDIR)$(BINDIR)/$(BINM_APROPOS)
	rm -f $(DESTDIR)$(BINDIR)/$(BINM_WHATIS)
	rm -f $(DESTDIR)$(SBINDIR)/$(BINM_MAKEWHATIS)
	rm -f $(DESTDIR)$(MANDIR)/man1/mandoc.1
	rm -f $(DESTDIR)$(MANDIR)/man1/demandoc.1
	rm -f $(DESTDIR)$(MANDIR)/man1/$(BINM_SOELIM).1
	rm -f $(DESTDIR)$(MANDIR)/man1/$(BINM_MAN).1
	rm -f $(DESTDIR)$(MANDIR)/man1/$(BINM_APROPOS).1
	rm -f $(DESTDIR)$(MANDIR)/man1/$(BINM_WHATIS).1
	rm -f $(DESTDIR)$(MANDIR)/man5/$(MANM_MANCONF).5
	rm -f $(DESTDIR)$(MANDIR)/man5/mandoc.db.5
	rm -f $(DESTDIR)$(MANDIR)/man7/$(MANM_MAN).7
	rm -f $(DESTDIR)$(MANDIR)/man7/$(MANM_MDOC).7
	rm -f $(DESTDIR)$(MANDIR)/man7/$(MANM_ROFF).7
	rm -f $(DESTDIR)$(MANDIR)/man7/$(MANM_EQN).7
	rm -f $(DESTDIR)$(MANDIR)/man7/$(MANM_TBL).7
	rm -f $(DESTDIR)$(MANDIR)/man7/mandoc_char.7
	rm -f $(DESTDIR)$(MANDIR)/man8/$(BINM_MAKEWHATIS).8
	rm -f $(DESTDIR)$(CGIBINDIR)/man.cgi
	rm -f $(DESTDIR)$(HTDOCDIR)/mandoc.css
	rm -f $(DESTDIR)$(SBINDIR)/mandocd
	rm -f $(DESTDIR)$(SBINDIR)/$(BINM_CATMAN)
	rm -f $(DESTDIR)$(MANDIR)/man8/mandocd.8
	rm -f $(DESTDIR)$(MANDIR)/man8/$(BINM_CATMAN).8
	rm -f $(DESTDIR)$(LIBDIR)/libmandoc.a
	rm -f $(DESTDIR)$(MANDIR)/man3/mandoc.3
	rm -f $(DESTDIR)$(MANDIR)/man3/mandoc_escape.3
	rm -f $(DESTDIR)$(MANDIR)/man3/mandoc_malloc.3
	rm -f $(DESTDIR)$(MANDIR)/man3/mansearch.3
	rm -f $(DESTDIR)$(MANDIR)/man3/mchars_alloc.3
	rm -f $(DESTDIR)$(MANDIR)/man3/tbl.3
	rm -f $(DESTDIR)$(INCLUDEDIR)/eqn.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/man.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/mandoc.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/mandoc_aux.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/mandoc_parse.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/mdoc.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/roff.h
	rm -f $(DESTDIR)$(INCLUDEDIR)/tbl.h
	[ ! -e $(DESTDIR)$(INCLUDEDIR) ] || rmdir $(DESTDIR)$(INCLUDEDIR)

regress: all
	cd regress && ./regress.pl

regress-clean:
	cd regress && ./regress.pl . clean

Makefile.local config.h: configure $(TESTSRCS)
	@echo "$@ is out of date; please run ./configure"
	@exit 1

libmandoc.a: $(COMPAT_OBJS) $(LIBMANDOC_OBJS)
	ar rs $@ $(COMPAT_OBJS) $(LIBMANDOC_OBJS)

mandoc: $(MAIN_OBJS) libmandoc.a
	$(CC) -o $@ $(LDFLAGS) $(MAIN_OBJS) libmandoc.a $(LDADD)

man.cgi: $(CGI_OBJS) libmandoc.a
	$(CC) $(STATIC) -o $@ $(LDFLAGS) $(CGI_OBJS) libmandoc.a $(LDADD)

mandocd: $(MANDOCD_OBJS) libmandoc.a
	$(CC) -o $@ $(LDFLAGS) $(MANDOCD_OBJS) libmandoc.a $(LDADD)

catman: catman.o libmandoc.a
	$(CC) -o $@ $(LDFLAGS) catman.o libmandoc.a $(LDADD)

demandoc: $(DEMANDOC_OBJS) libmandoc.a
	$(CC) -o $@ $(LDFLAGS) $(DEMANDOC_OBJS) libmandoc.a $(LDADD)

soelim: $(SOELIM_OBJS)
	$(CC) -o $@ $(LDFLAGS) $(SOELIM_OBJS)

# --- maintainer targets ---

www-install: www
	$(INSTALL_DATA) mandoc.css $(HTDOCDIR)
	$(INSTALL_DATA) $(WWW_MANS) $(HTDOCDIR)/man
	$(INSTALL_DATA) $(WWW_INCS) $(HTDOCDIR)/includes

depend: config.h
	mkdep -f Makefile.depend $(CFLAGS) $(SRCS)
	perl -e 'undef $$/; $$_ = <>; s|/usr/include/\S+||g; \
		s|\\\n||g; s|  +| |g; s| $$||mg; print;' \
		Makefile.depend > Makefile.tmp
	mv Makefile.tmp Makefile.depend

regress-distclean:
	@find regress \
		-name '.#*' -o \
		-name '*.orig' -o \
		-name '*.rej' -o \
		-name '*.core' \
		-exec rm -i {} \;

regress-distcheck:
	@find regress ! -type d ! -type f
	@find regress -type f \
		! -path '*/CVS/*' \
		! -name Makefile \
		! -name Makefile.inc \
		! -name '*.in' \
		! -name '*.out_ascii' \
		! -name '*.out_utf8' \
		! -name '*.out_html' \
		! -name '*.out_markdown' \
		! -name '*.out_lint' \
		! -path regress/regress.pl \
		! -path regress/regress.pl.1

dist: mandoc-$(VERSION).sha256

mandoc-$(VERSION).sha256: mandoc-$(VERSION).tar.gz
	sha256 mandoc-$(VERSION).tar.gz > $@

mandoc-$(VERSION).tar.gz: $(DISTFILES)
	ls regress/*/*/*.mandoc_* && exit 1 || true
	mkdir -p .dist/mandoc-$(VERSION)/
	$(INSTALL) -m 0644 $(DISTFILES) .dist/mandoc-$(VERSION)
	cp -pR regress .dist/mandoc-$(VERSION)
	find .dist/mandoc-$(VERSION)/regress \
	    -type d -name CVS -print0 | xargs -0 rm -rf
	chmod 755 .dist/mandoc-$(VERSION)/configure
	( cd .dist/ && tar zcf ../$@ mandoc-$(VERSION) )
	rm -rf .dist/

# === SUFFIX RULES =====================================================

.SUFFIXES:	 .1       .3       .5       .7       .8       .h
.SUFFIXES:	 .1.html  .3.html  .5.html  .7.html  .8.html  .h.html

.h.h.html:
	highlight -I $< > $@

.1.1.html .3.3.html .5.5.html .7.7.html .8.8.html: mandoc
	./mandoc -Thtml -O \
	style=/mandoc.css,man=/man/%N.%S.html,includes=/includes/%I.html \
	$< > $@