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# This file is part of SLB
# Copyright (C) 2011 Sergey Poznyakoff
#
# SLB 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, or (at your option)
# any later version.
#
# SLB 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 SLB.  If not, see <http://www.gnu.org/licenses/>.

dist_man_MANS = slb.8

info_TEXINFOS=slb.texi
slb_TEXINFOS=\
 config.texi\
 macros.texi\
 rendition.texi\
 fdl.texi

# The rendering level is one of PUBLISH, DISTRIB or PROOF.
# Just call `make RENDITION=PROOF [target]' if you want PROOF rendition.
RENDITION = DISTRIB

MAKEINFOFLAGS=-D$(RENDITION)

GENDOCS=gendocs.sh 

TEXI2DVI=texi2dvi -t '@set $(RENDITION)' -E

# Make sure you set TEXINPUTS.
# TEXINPUTS=/usr/share/texmf/pdftex/plain/misc/ is ok for most distributions
.PHONY: manual
manual:
	TEXINPUTS=$(srcdir):$(top_srcdir)/build-aux:$(TEXINPUTS) \
	 MAKEINFO="$(MAKEINFO) $(MAKEINFOFLAGS)" \
	 TEXI2DVI="$(TEXI2DVI) -t @finalout" \
	 $(GENDOCS) --texi2html $(PACKAGE) '$(PACKAGE_NAME) manual'

# Checking
check-tabs:
	@if test -n "`cat $(info_TEXINFOS) $(slb_TEXINFOS) | tr -d -c '\t'`"; then \
		echo "Sources contain tabs; run make untabify"; \
		false; \
	fi

check-sentence-spacing:
	@if grep -q '\. [@A-Z]' $(info_TEXINFOS) $(slb_TEXINFOS); then \
		echo >&2 "Sources contain single-space sentence separators"; \
		echo >&2 "Run make fix-sentence-spacing to fix"; \
	fi

check-format: check-tabs check-sentence-spacing

check-options:
	@check-docs.sh options \
	   '/OPTIONS_BEGIN/,/OPTIONS_END/s/OPTION( *\([^,][^,]*\),.*/\1/pg' \
	   '/@opindex  *\(help\|version\|usage\),/d;s/@opindex *\([^ @,]\{2,\}\).*/\1/p' \
	   $(top_srcdir)/src/cmdline.opt -- \
	   $(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) -E - \
		$(info_TEXINFOS)

check-refs:
	@sed -e = $(info_TEXINFOS) $(slb_TEXINFOS) | \
          sed -n 'N;/@FIXME-.*ref/{s/\(^[0-9][0-9]*\).*@FIXME-.*ref{\([^}]*\)}.*/$(info_TEXINFOS):\1: \2/gp}' > $@-t; \
	  if [ -s $@-t ]; then echo "Unresolved cross-references:"; cat $@-t;\
	  fi; \
	  rm -f $@-t

check-fixmes:
	@sed -e = $(info_TEXINFOS) | \
          sed -n 'N;/@FIXME{/{s/\(^[0-9][0-9]*\).*@FIXME{\([^}]*\).*/$(info_TEXINFOS):\1: \2/gp}' > $@-t; \
	  if [ -s $@-t ]; then echo "Unresolved FIXMEs:"; cat $@-t;\
	  fi; \
	  rm -f $@-t

check-writeme:
	@grep -Hn @WRITEME $(info_TEXINFOS) $(slb_TEXINFOS) > $@-t; \
	if [ -s $@-t ]; then \
	  echo "Empty nodes:"; \
	  cat $@-t; \
	  rm $@-t; \
	  false;\
	else \
          rm $@-t; \
	fi

check-unrevised:
	@grep -Hn @UNREVISED $(info_TEXINFOS) $(slb_TEXINFOS) > $@-t; \
	if [ -s $@-t ]; then \
	  echo "Unrevised nodes:"; \
	  cat $@-t; \
	  rm $@-t; \
	  false;\
	else \
          rm $@-t; \
	fi

check-config:
	@check-docs.sh 'configuration statements' \
	   '/slb_kw\[\] *= *{/,/^}/s/[ \t]*{ *"\([^,"]*\)".*/\1/pg' \
	   's/@deffnx\{0,1\} {Config} *\([^@, ]*\).*/\1/p' \
	   $(top_srcdir)/src/config.c -- \
	   $(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) -E - \
		$(info_TEXINFOS) 

check-sub-config:
	@sed -n '/slb_kw\[\] *= *{/,/^}/{p}' ../src/config.c |tr  '\n{' ' \n'|sed -n '/grecs_type_section/s/"\([^"]*\)".*grecs_type_section,[^,]*,[^,]*,[^,]*,[^,]*,[^,]*, *\(.*\) *}.*/\1 \2/p' | \
        while read ident kw; do \
	   check-docs.sh "$$ident configuration statements" \
	   "/$$kw"'\[\] *= *{/,/^}/s/[ \t]*{ *"\([^,"]*\)".*/\1/pg' \
	   "s/@deffnx\{0,1\} {Config: *$${ident}}"' *\([^@, ]*\).*/\1/p' \
	   $(top_srcdir)/src/config.c -- \
	   $(MAKEINFO) $(AM_MAKEINFOFLAGS) $(MAKEINFOFLAGS) -I $(srcdir) -E - \
		$(info_TEXINFOS); \
        done


all-check-docs: check-format check-options \
                check-config check-sub-config \
                check-refs check-fixmes check-writeme check-unrevised

check-docs:
	$(MAKE) -k all-check-docs

master-menu:
	emacs -batch -l mastermenu.el -f make-master-menu $(info_TEXINFOS)

untabify:
	emacs -batch -l untabify.el $(info_TEXINFOS) $(slb_TEXINFOS)

fix-sentence-spacing:
	for file in $(info_TEXINFOS) $(slb_TEXINFOS); \
	do \
		if grep -q '\. [@A-Z]' $$file; then \
			mv $$file $${file}~; \
			sed -r 's/\. ([@A-Z])/.  \1/g' $${file}~ > $$file; \
		fi; \
	done

final: untabify fix-sentence-spacing master-menu

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