# Makefile pour la documentation de lettre.cls
#
# This file is part of the "lettre" package.
#
# This work may be distributed and/or modified under the
# conditions of the LaTeX Project Public License, either version 1.3
# of this license or (at your option) any later version.
# The latest version of this license is in
#   http://www.latex-project.org/lppl.txt
# and version 1.3 or later is part of all distributions of LaTeX
# version 2005/12/01 or later.
#
# This work has the LPPL maintenance status `maintained'.
#
# The Current Maintainer of this work is Vincent Belaïche.
#
# This work consists of all files listed in README
#

DOCDIR ?= .
include $(DOCDIR)/lettre-makedefinitions.mak

.DEFAULT_GOAL:=$(firstword $(DOC))

SUBSRC_TRIMMED := $(patsubst %.tex,%.trimmed,$(SUBSRC))
SUBSRC_PDF := $(patsubst %.tex,%.pdf,$(SUBSRC))
ROOT:=../../..
LETTRETEX:=$(ROOT)/tex/latex/lettre
DOWNLOADDIR:=$(ROOT)/../download_area
MAKELEVELBASE ?= 0
NEEDS_RELOCATION?= $(shell if [ "$$(kpsewhich lettre.cls)" -ef $(LETTRETEX)/lettre.cls \
    -a "$$(kpsewhich lettre.tex)" -ef ./lettre.tex ]; then echo "1"; else echo "0"; fi)
#NEEDS_RELOCATION:=0

TEXSRC:=$(TEMPLATES) $(STYFILES)

ifeq ($(strip $(NEEDS_RELOCATION)),1)
RELOCATION:=relocation
MKDIRTMP:=mkdirtmp
TMPDIR := /tmp/lettre
else
RELOCATION:=$(TEXSRC)
MKDIRTMP:=
TMPDIR:=.
endif

DISTFORGE:=$(ROOT)/dist_forge

LATEX := latex
TEX2PDF := latexmk
TEX2PDFOPT := -r latexmkrc.pl
DVIPS= dvips
DVIPSOPT= -o
PS2PDF= ps2pdf

COMMA:=,#

#    Attention: le script monoligne AWK doit être robuste à un release-note avec CRLF traité par un awk
#    *nixien s'attendant à des fins de ligne en LF.
define VERSION_AWK
BEGIN { BINMODE=3; RS="\r?\n|\r"}; \
/^v[0-9]+(\.[0-9]+)?w? *:/ { match($$0,/^v([0-9]+(\.[0-9]+)?w?)/,a); print a[1]; exit(0)}
endef

define LISTIFY
$(addsuffix $(COMMA),$(filter-out $(lastword $(1)),$(1))) $(lastword $(1))
endef

$(DOCDIR)/version.m4 :  $(DOCDIR)/release-notes $(DOCDIR)/makefile
	$(SET_OUTFILE); \
	version=$$(awk '$(VERSION_AWK)' $<); \
	curdate=$$(date "+%s"); \
	printf "\
divert(-1)changequote({[>,<]})\\n\
define({[>lt_setquote<]},{[>changequote({[>,<]})<]})\\n\
define({[>ProvidesClass<]},{[>lt_setquote()Provides{[><]}Class{lettre}[<]}lt_date vlt_version{[>]%%\\nchangequote(,)dnl<]})\\n\
define({[>lt_version<]},{[>$${version}<]})\\n\
define({[>vlt_version<]},{[>v<]}lt_version)\\n\
define({[>ctanlt_version<]},{[>ctan<]}lt_version)\\n\
define({[>lt_date<]},{[>"$$(date -jf '%s' "$$curdate" '+%Y/%m/%d')"<]})\\n\
define({[>lt_date_iso<]},{[>"$$(date -jf '%s' "$$curdate" '+%Y-%m-%d')"<]})\\n\
define({[>lt_annee<]},{[>"$$(date -jf '%s' "$$curdate" '+%Y')"<]})\\n\
ifdef({[>lt_disttype<]},,{[>define({[>lt_disttype<]},{[>$(DISTTYPE)<]})<]})\\n\
define({[>lt_liste_des_fichiers<]},{[>\
ifelse(lt_disttype,plain,$(subst $(SPACE),\\n,$(addprefix lettre.zip/,$(DOCSRC) $(STYFILES)))\\n,\
lt_disttype,dtx,lettre.zip/lettre.dtx\\n)\
$(subst $(SPACE),\\n,$(addprefix lettre.zip/,$(DOC) $(README) $${version}-release-notes.txt))\\n\
lt_liste_tds_des_fichiers<]})\\n\
define({[>lt_racine_tds<]},{[>lettre.zip/<]})\\n\
define({[>lt_liste_tds_des_fichiers<]},\\n\
$(subst $(SPACE),\\n,$(patsubst %,{[>lt_racine_tds()lettre.tds.zip/doc/latex/lettre/%<]},$(DOC) $(README)))\\n\
ifelse(lt_disttype,plain,$(subst $(SPACE),\\n,$(patsubst %,{[>lt_racine_tds()lettre.tds.zip/doc/latex/lettre/%<]},$(DOCSRC)))\\n)\
$(subst $(SPACE),\\n,$(patsubst %,{[>lt_racine_tds()lettre.tds.zip/tex/latex/lettre/%<]},$(STYFILES)))\\n\
{[>lt_racine_tds(){[>lettre.tds.zip/doc/latex/lettre/$${version}-release-notes.txt<]}<]})\\n\
define({[>lt_examples<]},{[>$(call LISTIFY,$(EXAMPLES))<]})\\n\
define({[>lt_langs<]},{[>$(call LISTIFY,$(LANGS))<]})\\n\
define({[>lt_instituts<]},{[>$(call LISTIFY,$(INSTITUTS))<]})\\n\
define({[>lt_autos<]},{[>$(call LISTIFY,$(patsubst %.tex,%,$(AUTO_SRC)))<]})\\n\
define({[>lt_templates<]},{[>$(call LISTIFY,$(patsubst %.tpl,%,$(TEMPLATES)))<]})\\n\
define({[>lt_foreach<]},{[>ifelse("'$$'"#,0,,"'$$'"#,1,{[>ifelse({[>"'$$'"1<]},,,{[>lt_foreach_mappee({[>"'$$'"1<]})<]})<]},{[>lt_foreach_mappee({[>"'$$'"1<]}){[><]}lt_foreach_comma()lt_foreach(shift("'$$'"@))<]})<]})\\n\
define({[>lt_gobble_endinput<]},{[><]})\\n\
changequote(,)divert(0)dnl\\n" > $(OUTFILE)

latexmkrc.pl: $(DOCDIR)/version.m4 $(DOCDIR)/latexmkrc.m4
	m4 $^ > $@


ifeq ($(MAKELEVEL),$(MAKELEVELBASE))

INPUTSDIR := ../../../tex/latex/lettre
STYDIR := ../../../tex/latex/lettre

.PHONY: doc
doc: $(RELOCATION) $(DOCSRC) $(addprefix $(STYDIR)/,$(STYFILES_INDOC))
ifeq ($(strip $(NEEDS_RELOCATION)),1)
	$(MAKE) -f $(abspath makefile) -C $(TMPDIR) doc "DOCDIR=$(abspath $(DOCDIR))"
	for w in $(DOCPDF); do cp -u $(TMPDIR)/$$w -t . ; done
endif

ifeq ($(strip $(NEEDS_RELOCATION)),1)
$(DOCPDF):%: relocation $(DOCSRC)
	$(MAKE) -f $(abspath makefile) -C $(TMPDIR) $@ "DOCDIR=$(abspath $(DOCDIR))"
	cp -u $(TMPDIR)/$@ -t .
endif

# Il est nécessaire de relocaliser le code source de la documentation dans un répertoire temporaire pour
# compiler, parce que latex n'est en général pas capable de compiler un fichier qui se trouve sous le TEXMF de
# plus, de sorte que ce qui est sous l'archive TDS soit autonome, on re-utilise le même makefile de façon
# re-entrante
.PHONY: relocation
relocation: $(TMPDIR)/release-notes.txt $(addprefix $(TMPDIR)/,$(AUTO_SRC) \
	$(DOCSRC) $(TEXSRC) letdoc.ist) $(MKDIRTMP)

ifeq ($(strip $(NEEDS_RELOCATION)),1)
$(addprefix $(TMPDIR)/,$(DOCSRC) letdoc.ist):$(TMPDIR)/%: %
	cp $< $@
endif

$(addprefix $(TMPDIR)/,$(TEXSRC)):$(TMPDIR)/%: $(LETTRETEX)/% $(DOCDIR)/version.m4
	m4 $(DOCDIR)/version.m4 $< > $@


define UNTABIFY
BEGIN {print_enb = 0};              \
!/^ *$$/ && !/^ *%/ {print_enb = 1}; \
print_enb == 1 {                     \
	k = split($$0,a,"\t");			\
	for(i=1; i<=k; ++i){			\
		w = a[i];					\
		if(i == 1)					\
			printf("%s",w);			\
		else						\
			printf("%s%s",substr("        ",c+1),w);\
		l = length(w);				\
		c = l-int(l/8)*8;			\
	}								\
	print ""						\
}
endef

$(TMPDIR)/release-notes.txt: release-notes $(MKDIRTMP)
	awk '$(UNTABIFY)' $< > $@

define LETTRE_PATH
'\newcommand*\inputsdir{$(INPUTSDIR)/}\
\newcommand*\versnum{lt_version}\
\newcommand*\inputreleasenotes{\verbatiminput{release-notes.txt}}\
\newcommand*\documentationducode{\DocInput{lettre.cls}\subsection{Définition des langues}$(patsubst %,\DocInput{lettre-%.ldf},$(LANGS))}\
\newcommand*\listeexemples{lt_examples()}\
\newcommand*\listegabarits{lt_templates()}'
endef

$(TMPDIR)/lettre-path.tex: $(DOCDIR)/version.m4 $(MKDIRTMP)
	$(SET_OUTFILE); \
	echo $(LETTRE_PATH) | m4 $< - > $(OUTFILE)


$(addprefix $(TMPDIR)/, $(SCRIPTOUT_SRC)): $(DOCDIR)/lettre-script.tex
	cd $(TMPDIR); latex $<; $(call DOS2UNIX,$@)


.PHONY: mkdirtmp
mkdirtmp:
	mkdir -p $(TMPDIR)

endif


ifeq ($(MAKELEVEL),$(shell expr $(MAKELEVELBASE) + $(NEEDS_RELOCATION)))

ifeq ($(strip $(NEEDS_RELOCATION)),1)
INPUTSDIR:= .
STYDIR := .
endif

.SUFFIXES: .ps .tex .dvi .idx

TPL:=$(addprefix $(INPUTSDIR)/,$(TEMPLATES))

   # on fournit une version Postscript et deux fichiers .dvi (polices CM et EC)
.PHONY: doc
doc:  $(patsubst %.tex,%.pdf,$(TOPSRC))

$(patsubst %.tex,%.pdf,$(TOPSRC)): %.pdf: %.tex $(MAINSRC) $(AUTO_SRC) \
	release-notes.txt $(TPL) $(STYFILES_INDOC) \
	$(SUBSRC_TRIMMED) $(SUBSRC_PDF) $(LOGOSPDF) latexmkrc.pl
	@$(TEX2PDF) $(TEX2PDFOPT) $<

$(SUBSRC_TRIMMED): %.trimmed: %.tex
	awk '$(TEX_TRIMMER_AWK)' $< > $@

$(SUBSRC_PDF): %.pdf: %.tex $(LOGOS) latexmkrc.pl $(STYFILES)
	@$(TEX2PDF) $(TEX2PDFOPT) $<

endif

ifeq ($(strip $(NEEDS_RELOCATION)),0)
  LATEXMKRC_MAYBE:=latexmkrc.pl
else
  LATEXMKRC_MAYBE:=#
endif

.PHONY: clean mostlyclean
clean mostlyclean: $(LATEXMKRC_MAYBE)
ifeq ($(strip $(NEEDS_RELOCATION)),1)
	rm -fr $(TMPDIR)
else
	$(TEX2PDF) $(TEX2PDFOPT) -c $(TOPSRC) $(SUBSRC) $(LOGOS)
	rm -f release-notes.txt $(STYFILES_INDOC) $(AUTO_SRC)
endif
	rm -f $(DOCDIR)/version.m4
	rm -f $(addprefix $(DOCDIR)/lettre-script.,aux tns log)

.PHONY: realclean squeaky
realclean squeaky: clean
	rm -f  $(DOCPDF) 
ifeq ($(strip $(NEEDS_RELOCATION)),0)
	$(TEX2PDF) $(TEX2PDFOPT) -C $(TOPSRC) $(SUBSRC)
	rm -f $(SUBSRC_PDF) $(SUBSRC_TRIMMED) $(TEXSRC) latexmkrc.pl
endif

# on précise le codage (pour EMACS) pour le bon affichage des commentaires.
# Local Variables:
# coding: latin-1
# End: