SRC = $(abspath ../..)

export LD_LIBRARY_PATH   ?= "$(SRC)/otherlibs/unix/:$(SRC)/otherlibs/str/"
export DYLD_LIBRARY_PATH ?= "$(SRC)/otherlibs/unix/:$(SRC)/otherlibs/str/"
SET_LD_PATH = CAML_LD_LIBRARY_PATH=$(LD_LIBRARY_PATH)

OCAMLDOC = $(if $(wildcard $(SRC)/ocamldoc/ocamldoc.opt),\
  $(SRC)/ocamldoc/ocamldoc.opt,\
  $(SET_LD_PATH) $(SRC)/runtime/ocamlrun $(SRC)/ocamldoc/ocamldoc)\
  -hide Stdlib -lib Stdlib -nostdlib \
  -pp "$(AWK) -v ocamldoc=true -f $(SRC)/stdlib/expand_module_aliases.awk"


# Import the list of mli files for the library docs
include $(SRC)/ocamldoc/Makefile.docfiles

TEXQUOTE = $(SRC)/runtime/ocamlrun ../tools/texquote2


FILES = allfiles.tex biblio.tex foreword.tex version.tex warnings-help.etex

TEXINPUTS = ".:..:../refman:../library:../cmds:../tutorials:../../styles:"
RELEASE = $$HOME/release/$${RELEASENAME}
HEVEA = hevea
HACHA = hacha
# We suppress warnings in info and text mode (with -s) because hevea listings emit
# DIV blocks that the text modes do not know how to interpret.
INFO_FLAGS = -fix -exec xxdate.exe -info -w 79 -s
HTML_FLAGS = -fix -exec xxdate.exe -O
TEXT_FLAGS = -fix -exec xxdate.exe -text -w 79 -s


manual: files
	cd texstuff \
	  && TEXINPUTS=$(TEXINPUTS) pdflatex manual.tex

index:
	cd texstuff \
	  && sh ../../tools/fix_index.sh manual.idx \
	  && makeindex manual.idx \
	  && makeindex manual.kwd.idx


# libref/style.css and comilerlibref/style.css are used as witness
# for the generation of the html stdlib and compilerlibs reference.
html: htmlman/libref/style.css htmlman/compilerlibref/style.css etex-files
	cd htmlman \
	  && $(HEVEA) $(HTML_FLAGS) \
	    -I .. -I ../cmds -I ../library -I ../refman -I ../tutorials \
	    -I ../../styles -I ../texstuff \
	    manual.hva -e macros.tex ../manual.tex \
	  && $(HACHA) -tocter manual.html

htmlman/libref/style.css: style.css $(STDLIB_MLIS) $(DOC_STDLIB_TEXT)
	mkdir -p htmlman/libref
	$(OCAMLDOC) -colorize-code -sort -html \
	  -charset "UTF-8" \
	  -d htmlman/libref \
	  $(DOC_STDLIB_INCLUDES) \
          $(DOC_STDLIB_TEXT:%=-text %) \
          $(STDLIB_MLIS)
	cp style.css $@

COMPILERLIBS_MODULES=$(shell echo $(basename $(notdir $(COMPILERLIBS_MLIS))) \
| sed "s/\<./\U&/g")

library/compiler_libs.txt: library/compiler_libs.mld
	cp $< $@ && echo "{!modules:$(COMPILERLIBS_MODULES)}" >> $@


htmlman/compilerlibref/style.css: library/compiler_libs.txt style.css \
  $(COMPILERLIBS_MLIS)
	mkdir -p htmlman/compilerlibref
	$(OCAMLDOC) -colorize-code -sort -html \
	  -charset "UTF-8" \
	  -d htmlman/compilerlibref \
	  -I $(SRC)/stdlib \
	  $(DOC_COMPILERLIBS_INCLUDES) \
          -intro library/compiler_libs.txt \
          library/compiler_libs.txt \
	  $(COMPILERLIBS_MLIS)
	cp style.css $@


info: files
	cd infoman \
	  && rm -f ocaml.info* \
	  && $(HEVEA) $(INFO_FLAGS) -o ocaml.info.body \
	    -I .. -I ../cmds -I ../library -I ../refman -I ../tutorials \
	    -I ../../styles -I ../texstuff \
	    ../manual.inf -e macros.tex ../manual.tex
	cat manual.info.header infoman/ocaml.info.body > infoman/ocaml.info
	cd infoman \
	  && rm -f ocaml.info.tmp ocaml.info.body \
	  && gzip -9 ocaml.info*

text: files
	cd textman \
	  && $(HEVEA) $(TEXT_FLAGS) \
	    -I .. -I ../cmds -I ../library -I ../refman -I ../tutorials \
	    -I ../../styles -I ../texstuff \
	    ../manual.inf -e macros.tex ../manual.tex


all:
	$(MAKE) html text info manual
	$(MAKE) manual
	$(MAKE) index
	$(MAKE) manual

release: all
	cp htmlman/manual.html $(RELEASE)refman.html
	rm -f htmlman/manual.{html,haux,hmanual*,htoc}
	tar zcf $(RELEASE)refman-html.tar.gz \
	  htmlman/*.* htmlman/libref htmlman/compilerlibref htmlman/fonts
	zip -8 $(RELEASE)refman-html.zip \
	  htmlman/*.* htmlman/libref/*.* htmlman/compilerlibref/*.* \
	  htmlman/fonts/*.*
	cp texstuff/manual.pdf $(RELEASE)refman.pdf
	cp textman/manual.txt $(RELEASE)refman.txt
	tar cf - infoman/ocaml.info* | gzip > $(RELEASE)refman.info.tar.gz


files: $(FILES)
	$(MAKE) -C cmds      all
	$(MAKE) -C library   all
	$(MAKE) -C refman    all
	$(MAKE) -C tutorials all

etex-files: $(FILES)
	$(MAKE) -C cmds      etex-files
	$(MAKE) -C library   etex-files
	$(MAKE) -C refman    etex-files
	$(MAKE) -C tutorials etex-files


%.tex: %.etex
	$(TEXQUOTE) < $< > $*.texquote_error.tex
	mv $*.texquote_error.tex $@

version.tex: $(SRC)/VERSION
	sed -n -e '1s/^\([0-9]*\.[0-9]*\).*$$/\\def\\ocamlversion{\1}/p' $< > $@

warnings-help.etex: $(SRC)/utils/warnings.ml $(SRC)/ocamlc
	(echo "% This file is generated from (ocamlc -warn-help)";\
	 echo "% according to a rule in manual/manual/Makefile.";\
	 echo "% In particular, the reference to documentation sections";\
	 echo "% are inserted through the Makefile, which should be updated";\
	 echo "% when a new warning is documented.";\
	 echo "%";\
	 $(SET_LD_PATH) $(SRC)/boot/ocamlrun $(SRC)/ocamlc -warn-help \
	 | sed -e 's/^ *\([0-9][0-9]*\) *\[\([a-z][a-z-]*\)\]\(.*\)/\\item[\1 "\2"] \3/' \
               -e 's/^ *\([0-9A-Z][0-9]*\) *\([^]].*\)/\\item[\1] \2/'\
	) >$@
#	sed --inplace is not portable, emulate
	for i in 52 57; do\
	  sed\
	    s'/\\item\[\('$$i'[^]]*\)\]/\\item\[\1 (see \\ref{ss:warn'$$i'})\]/'\
	    $@ > $@.tmp;\
	  mv $@.tmp $@;\
	done


.PHONY: clean
clean:
	rm -f $(FILES) *.texquote_error
	$(MAKE) -C cmds      clean
	$(MAKE) -C library   clean
	$(MAKE) -C refman    clean
	$(MAKE) -C tutorials clean
	-rm -f texstuff/*
	cd htmlman; rm -rf libref compilerlibref index.html \
	manual*.html *.haux *.hind *.svg
	cd textman; rm -f manual.txt *.haux *.hind
	cd infoman; rm -f ocaml.info ocaml.info-*  *.haux *.hind