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Implement the first steps of equation parsing from within libmdoc.
This consists of a shim around the text parser that calls out to libroff
if equation components exist on the line.  Right now this will do
nothing, as the equation delimiter always returns nil.

.PHONY: 	 clean install installwww
.SUFFIXES:	 .sgml .html .md5 .h .h.html
.SUFFIXES:	 .1       .3       .7       .8
.SUFFIXES:	 .1.txt   .3.txt   .7.txt   .8.txt
.SUFFIXES:	 .1.pdf   .3.pdf   .7.pdf   .8.pdf
.SUFFIXES:	 .1.ps    .3.ps    .7.ps    .8.ps
.SUFFIXES:	 .1.html  .3.html  .7.html  .8.html
.SUFFIXES:	 .1.xhtml .3.xhtml .7.xhtml .8.xhtml

# Specify this if you want to hard-code the operating system to appear
# in the lower-left hand corner of -mdoc manuals.
# CFLAGS	+= -DOSNAME="\"OpenBSD 4.5\""

VERSION		 = 1.11.5
VDATE		 = 24 July 2011
# IFF your system supports multi-byte functions (setlocale(), wcwidth(),
# putwchar()) AND has __STDC_ISO_10646__ (that is, wchar_t is simply a
# UCS-4 value) should you define USE_WCHAR.  If you define it and your
# system DOESN'T support this, -Tlocale will produce garbage.
# If you don't define it, -Tlocale is a synonym for -Tacsii.
CFLAGS	 	+= -DUSE_WCHAR
CFLAGS		+= -g -DHAVE_CONFIG_H -DVERSION="\"$(VERSION)\""
CFLAGS     	+= -W -Wall -Wstrict-prototypes -Wno-unused-parameter -Wwrite-strings
PREFIX		 = /usr/local
BINDIR		 = $(PREFIX)/bin
INCLUDEDIR	 = $(PREFIX)/include/mandoc
LIBDIR		 = $(PREFIX)/lib/mandoc
MANDIR		 = $(PREFIX)/man
EXAMPLEDIR	 = $(PREFIX)/share/examples/mandoc
INSTALL		 = install
INSTALL_PROGRAM	 = $(INSTALL) -m 0755
INSTALL_DATA	 = $(INSTALL) -m 0444
INSTALL_LIB	 = $(INSTALL) -m 0644
INSTALL_SOURCE	 = $(INSTALL) -m 0644
INSTALL_MAN	 = $(INSTALL_DATA)

# Linux needs -ldb to compile mandocdb.
#DBLIB		 = -ldb

all: mandoc preconv

SRCS		 = Makefile \
		   arch.c \
		   arch.in \
		   att.c \
		   att.in \
		   chars.c \
		   chars.in \
		   compat_getsubopt.c \
		   compat_strlcat.c \
		   compat_strlcpy.c \
		   config.h.post \
		   config.h.pre \
		   eqn.7 \
		   eqn.c \
		   eqn_html.c \
		   eqn_term.c \
		   example.style.css \
		   external.png \
		   html.c \
		   html.h \
		   index.css \
		   index.sgml \
		   lib.c \
		   lib.in \
		   libman.h \
		   libmandoc.h \
		   libmdoc.h \
		   libroff.h \
		   main.c \
		   main.h \
		   man.h \
		   man.7 \
		   man.c \
		   man_hash.c \
		   man_html.c \
		   man_macro.c \
		   man_term.c \
		   man_validate.c \
		   mandoc.1 \
		   mandoc.3 \
		   mandoc.c \
		   mandoc.h \
		   mandocdb.8 \
		   mandocdb.c \
		   mandoc_char.7 \
		   mdoc.h \
		   mdoc.7 \
		   mdoc.c \
		   mdoc_argv.c \
		   mdoc_hash.c \
		   mdoc_html.c \
		   mdoc_macro.c \
		   mdoc_term.c \
		   mdoc_validate.c \
		   msec.c \
		   msec.in \
		   out.c \
		   out.h \
		   preconv.1 \
		   preconv.c \
		   predefs.in \
		   read.c \
		   roff.7 \
		   roff.c \
		   st.c \
		   st.in \
		   style.css \
		   tbl.7 \
		   tbl.c \
		   tbl_data.c \
		   tbl_html.c \
		   tbl_layout.c \
		   tbl_opts.c \
		   tbl_term.c \
		   term.c \
		   term.h \
		   term_ascii.c \
		   term_ps.c \
		   test-mmap.c \
		   test-strlcat.c \
		   test-strlcpy.c \
		   tree.c \
		   vol.c \
		   vol.in

LIBMAN_OBJS	 = man.o \
		   man_hash.o \
		   man_macro.o \
		   man_validate.o
LIBMAN_LNS	 = man.ln \
		   man_hash.ln \
		   man_macro.ln \
		   man_validate.ln

LIBMDOC_OBJS	 = arch.o \
		   att.o \
		   lib.o \
		   mdoc.o \
		   mdoc_argv.o \
		   mdoc_hash.o \
		   mdoc_macro.o \
		   mdoc_validate.o \
		   msec.o \
		   st.o \
		   vol.o
LIBMDOC_LNS	 = arch.ln \
		   att.ln \
		   lib.ln \
		   mdoc.ln \
		   mdoc_argv.ln \
		   mdoc_hash.ln \
		   mdoc_macro.ln \
		   mdoc_validate.ln \
		   msec.ln \
		   st.ln \
		   vol.ln

LIBROFF_OBJS	 = eqn.o \
		   roff.o \
		   tbl.o \
		   tbl_data.o \
		   tbl_layout.o \
		   tbl_opts.o
LIBROFF_LNS	 = eqn.ln \
		   roff.ln \
		   tbl.ln \
		   tbl_data.ln \
		   tbl_layout.ln \
		   tbl_opts.ln

LIBMANDOC_OBJS	 = $(LIBMAN_OBJS) \
		   $(LIBMDOC_OBJS) \
		   $(LIBROFF_OBJS) \
		   chars.o \
		   mandoc.o \
		   read.o
LIBMANDOC_LNS	 = $(LIBMAN_LNS) \
		   $(LIBMDOC_LNS) \
		   $(LIBROFF_LNS) \
		   chars.ln \
		   mandoc.ln \
		   read.ln

COMPAT_OBJS	 = compat_getsubopt.o \
		   compat_strlcat.o \
		   compat_strlcpy.o
COMPAT_LNS	 = compat_getsubopt.ln \
		   compat_strlcat.ln \
		   compat_strlcpy.ln

arch.o arch.ln: arch.in
att.o att.ln: att.in
chars.o chars.ln: chars.in
lib.o lib.ln: lib.in
msec.o msec.ln: msec.in
roff.o roff.ln: predefs.in
st.o st.ln: st.in
vol.o vol.ln: vol.in

$(LIBMAN_OBJS) $(LIBMAN_LNS): libman.h
$(LIBMDOC_OBJS) $(LIBMDOC_LNS): libmdoc.h
$(LIBROFF_OBJS) $(LIBROFF_LNS): libroff.h
$(LIBMANDOC_OBJS) $(LIBMANDOC_LNS): mandoc.h mdoc.h man.h libmandoc.h config.h

$(COMPAT_OBJS) $(COMPAT_LNS): config.h

MANDOC_HTML_OBJS = eqn_html.o \
		   html.o \
		   man_html.o \
		   mdoc_html.o \
		   tbl_html.o
MANDOC_HTML_LNS	 = eqn_html.ln \
		   html.ln \
		   man_html.ln \
		   mdoc_html.ln \
		   tbl_html.ln

MANDOC_TERM_OBJS = eqn_term.o \
		   man_term.o \
		   mdoc_term.o \
		   term.o \
		   term_ascii.o \
		   term_ps.o \
		   tbl_term.o
MANDOC_TERM_LNS	 = eqn_term.ln \
		   man_term.ln \
		   mdoc_term.ln \
		   term.ln \
		   term_ascii.ln \
		   term_ps.ln \
		   tbl_term.ln

MANDOC_OBJS	 = $(MANDOC_HTML_OBJS) \
		   $(MANDOC_TERM_OBJS) \
		   main.o \
		   out.o \
		   tree.o
MANDOC_LNS	 = $(MANDOC_HTML_LNS) \
		   $(MANDOC_TERM_LNS) \
		   main.ln \
		   out.ln \
		   tree.ln

$(MANDOC_HTML_OBJS) $(MANDOC_HTML_LNS): html.h
$(MANDOC_TERM_OBJS) $(MANDOC_TERM_LNS): term.h
$(MANDOC_OBJS) $(MANDOC_LNS): main.h mandoc.h mdoc.h man.h config.h out.h

MANDOCDB_OBJS	 = mandocdb.o
MANDOCDB_LNS	 = mandocdb.ln

$(MANDOCDB_OBJS) $(MANDOCDB_LNS): mandoc.h mdoc.h man.h config.h

PRECONV_OBJS	 = preconv.o
PRECONV_LNS	 = preconv.ln

$(PRECONV_OBJS) $(PRECONV_LNS): config.h

INDEX_MANS	 = mandoc.1.html \
		   mandoc.1.xhtml \
		   mandoc.1.ps \
		   mandoc.1.pdf \
		   mandoc.1.txt \
		   mandoc.3.html \
		   mandoc.3.xhtml \
		   mandoc.3.ps \
		   mandoc.3.pdf \
		   mandoc.3.txt \
		   eqn.7.html \
		   eqn.7.xhtml \
		   eqn.7.ps \
		   eqn.7.pdf \
		   eqn.7.txt \
		   man.7.html \
		   man.7.xhtml \
		   man.7.ps \
		   man.7.pdf \
		   man.7.txt \
		   mandoc_char.7.html \
		   mandoc_char.7.xhtml \
		   mandoc_char.7.ps \
		   mandoc_char.7.pdf \
		   mandoc_char.7.txt \
		   mdoc.7.html \
		   mdoc.7.xhtml \
		   mdoc.7.ps \
		   mdoc.7.pdf \
		   mdoc.7.txt \
		   preconv.1.html \
		   preconv.1.xhtml \
		   preconv.1.ps \
		   preconv.1.pdf \
		   preconv.1.txt \
		   roff.7.html \
		   roff.7.xhtml \
		   roff.7.ps \
		   roff.7.pdf \
		   roff.7.txt \
		   tbl.7.html \
		   tbl.7.xhtml \
		   tbl.7.ps \
		   tbl.7.pdf \
		   tbl.7.txt \
		   mandocdb.8.html \
		   mandocdb.8.xhtml \
		   mandocdb.8.ps \
		   mandocdb.8.pdf \
		   mandocdb.8.txt

$(INDEX_MANS): mandoc

INDEX_OBJS	 = $(INDEX_MANS) \
		   man.h.html \
		   mandoc.h.html \
		   mdoc.h.html \
		   mdocml.tar.gz \
		   mdocml.md5

www: index.html

lint: llib-llibmandoc.ln llib-lmandoc.ln llib-lpreconv.ln

clean:
	rm -f libmandoc.a $(LIBMANDOC_OBJS)
	rm -f llib-llibmandoc.ln $(LIBMANDOC_LNS)
	rm -f mandocdb $(MANDOCDB_OBJS)
	rm -f llib-lmandocdb.ln $(MANDOCDB_LNS)
	rm -f preconv $(PRECONV_OBJS)
	rm -f llib-lpreconv.ln $(PRECONV_LNS)
	rm -f mandoc $(MANDOC_OBJS)
	rm -f llib-lmandoc.ln $(MANDOC_LNS)
	rm -f config.h config.log $(COMPAT_OBJS) $(COMPAT_LNS)
	rm -f mdocml.tar.gz mdocml-win32.zip
	rm -f index.html $(INDEX_OBJS)
	rm -rf test-strlcpy.DSYM
	rm -rf test-strlcat.DSYM 
	rm -rf test-strptime.DSYM 
	rm -rf test-mmap.DSYM 
	rm -rf test-getsubopt.DSYM

install: all
	mkdir -p $(DESTDIR)$(BINDIR)
	mkdir -p $(DESTDIR)$(EXAMPLEDIR)
	mkdir -p $(DESTDIR)$(LIBDIR)
	mkdir -p $(DESTDIR)$(INCLUDEDIR)
	mkdir -p $(DESTDIR)$(MANDIR)/man1
	mkdir -p $(DESTDIR)$(MANDIR)/man3
	mkdir -p $(DESTDIR)$(MANDIR)/man7
	mkdir -p $(DESTDIR)$(MANDIR)/man8
	$(INSTALL_PROGRAM) mandoc preconv $(DESTDIR)$(BINDIR)
	$(INSTALL_LIB) libmandoc.a $(DESTDIR)$(LIBDIR)
	$(INSTALL_LIB) man.h mdoc.h mandoc.h $(DESTDIR)$(INCLUDEDIR)
	$(INSTALL_MAN) mandoc.1 preconv.1 $(DESTDIR)$(MANDIR)/man1
	$(INSTALL_MAN) mandoc.3 $(DESTDIR)$(MANDIR)/man3
	$(INSTALL_MAN) man.7 mdoc.7 roff.7 eqn.7 tbl.7 mandoc_char.7 $(DESTDIR)$(MANDIR)/man7
	$(INSTALL_DATA) example.style.css $(DESTDIR)$(EXAMPLEDIR)

installwww: www
	mkdir -p $(PREFIX)/snapshots
	mkdir -p $(PREFIX)/binaries
	$(INSTALL_DATA) index.html external.png index.css $(PREFIX)
	$(INSTALL_DATA) $(INDEX_MANS) style.css $(PREFIX)
	$(INSTALL_DATA) mandoc.h.html man.h.html mdoc.h.html $(PREFIX)
	$(INSTALL_DATA) mdocml.tar.gz $(PREFIX)/snapshots
	$(INSTALL_DATA) mdocml.md5 $(PREFIX)/snapshots
	$(INSTALL_DATA) mdocml.tar.gz $(PREFIX)/snapshots/mdocml-$(VERSION).tar.gz
	$(INSTALL_DATA) mdocml.md5 $(PREFIX)/snapshots/mdocml-$(VERSION).md5

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

llib-llibmandoc.ln: $(COMPAT_LNS) $(LIBMANDOC_LNS)
	$(LINT) $(LINTFLAGS) -Clibmandoc $(COMPAT_LNS) $(LIBMANDOC_LNS)

mandoc: $(MANDOC_OBJS) libmandoc.a
	$(CC) -o $@ $(MANDOC_OBJS) libmandoc.a

llib-lmandoc.ln: $(MANDOC_LNS)
	$(LINT) $(LINTFLAGS) -Cmandoc $(MANDOC_LNS)

mandocdb: $(MANDOCDB_OBJS) libmandoc.a
	$(CC) -o $@ $(MANDOCDB_OBJS) libmandoc.a $(DBLIB)

llib-lmandocdb.ln: $(MANDOCDB_LNS)
	$(LINT) $(LINTFLAGS) -Cmandocdb $(MANDOCDB_LNS)

preconv: $(PRECONV_OBJS)
	$(CC) -o $@ $(PRECONV_OBJS)

llib-lpreconv.ln: $(PRECONV_LNS)
	$(LINT) $(LINTFLAGS) -Cpreconv $(PRECONV_LNS)

mdocml.md5: mdocml.tar.gz
	md5 mdocml.tar.gz >$@

mdocml.tar.gz: $(SRCS)
	mkdir -p .dist/mdocml-$(VERSION)/
	$(INSTALL_SOURCE) $(SRCS) .dist/mdocml-$(VERSION)
	( cd .dist/ && tar zcf ../$@ ./ )
	rm -rf .dist/

mdocml-win32.zip: $(SRCS)
	mkdir -p .win32/mdocml-$(VERSION)/
	$(INSTALL_SOURCE) $(SRCS) .win32
	cp .win32/Makefile .win32/Makefile.old
	grep -v DUSE_WCHAR .win32/Makefile.old >.win32/Makefile
	( cd .win32; CC=i586-mingw32msvc-cc AR=i586-mingw32msvc-ar CFLAGS='-DOSNAME=\"Windows\"' make; \
		make install PREFIX=mdocml-$(VERSION) ; \
		zip -r ../$@ mdocml-$(VERSION) )
	rm -rf .win32

index.html: $(INDEX_OBJS)

config.h: config.h.pre config.h.post
	rm -f config.log
	( cat config.h.pre; \
	  echo; \
	  if $(CC) $(CFLAGS) -Werror -o test-strptime test-strptime.c >> config.log 2>&1; then \
		echo '#define HAVE_STRPTIME'; \
		rm test-strptime; \
	  fi; \
	  if $(CC) $(CFLAGS) -Werror -o test-getsubopt test-getsubopt.c >> config.log 2>&1; then \
		echo '#define HAVE_GETSUBOPT'; \
		rm test-getsubopt; \
	  fi; \
	  if $(CC) $(CFLAGS) -Werror -o test-strlcat test-strlcat.c >> config.log 2>&1; then \
		echo '#define HAVE_STRLCAT'; \
		rm test-strlcat; \
	  fi; \
	  if $(CC) $(CFLAGS) -Werror -o test-mmap test-mmap.c >> config.log 2>&1; then \
		echo '#define HAVE_MMAP'; \
		rm test-mmap; \
	  fi; \
	  if $(CC) $(CFLAGS) -Werror -o test-strlcpy test-strlcpy.c >> config.log 2>&1; then \
		echo '#define HAVE_STRLCPY'; \
		rm test-strlcpy; \
	  fi; \
	  echo; \
	  cat config.h.post \
	) > $@

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

.1.1.txt .3.3.txt .7.7.txt .8.8.txt:
	./mandoc -Tascii -Wall,stop $< | col -b >$@

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

.1.1.ps .3.3.ps .7.7.ps .8.8.ps:
	./mandoc -Tps -Wall,stop $< >$@

.1.1.xhtml .3.3.xhtml .7.7.xhtml .8.8.xhtml:
	./mandoc -Txhtml -Wall,stop -Ostyle=style.css,man=%N.%S.xhtml,includes=%I.html $< >$@

.1.1.pdf .3.3.pdf .7.7.pdf .8.8.pdf:
	./mandoc -Tpdf -Wall,stop $< >$@

.sgml.html:
	validate --warn $<
	sed -e "s!@VERSION@!$(VERSION)!" -e "s!@VDATE@!$(VDATE)!" $< >$@