####################################################################
###
### Makefile for Singular documentation
#####################################################################
SHELL=/bin/sh

####################################################################
##
## Configuration
##
SINGUNAME       = spielwiese

bindir	        = @bindir@

##
## needed programs
##
MKINSTALLDIRS   = mkdir -p
UUDECODE        = uudecode

PERL            = perl
TEX             = tex
MAKEINFO        = makeinfo --force
TEXI2PDF        = @TEXI2PDF@
TEXINDEX        = @TEXINDEX@
# use our local texi2html
TEXI2HTML       = ./texi2html
DVIPS           = dvips

VERBOSE         = 1 # override this with make VERBOSE=2

# d2t stuff
SINGULAR        = /scratch/hannes/billbo-sw/Singular/Singular
SINGULAR_LIB_DIR= ../Singular/LIB
ifeq ($(SINGUNAME),"ix86-Win")
LIBPARSE        = ${bindir}/libparse.exe
else
LIBPARSE        = ./libparse
endif
DOC_SUBDIR      = ./d2t_singular
EX_SUBDIR       = ./examples
CHKSUM_DB       = ${DOC_SUBDIR}/chksum
# which tags to avoid:
DOC2TEX_EXAMPLE_EXCLUSIONS = -exclude polymake
# which tags to avoid:
TAG		= polymake
DOC2TEX         = ${PERL} ./doc2tex.pl -docdir ${DOC_SUBDIR} \
                  -Singular ${SINGULAR} -verbose ${VERBOSE} -make ${MAKE} \
		  -exdir ${EX_SUBDIR} ${DOC2TEX_EXAMPLE_EXCLUSIONS}

DOC2TEX_M        = ${PERL} ./doc2tex.pl -docdir ${DOC_SUBDIR} \
                  -Singular ${SINGULAR} -verbose ${VERBOSE} -make ${MAKE} \
		  -exdir ${EX_SUBDIR}

PL2DOC		= ${PERL} ./pl2doc.pl ${TAG} -db ${CHKSUM_DB}
PL2DOC_M	= ${PERL} ./pl2doc.pl -db ${CHKSUM_DB}

# t2h stuff
TMP_DIR		= tmp
HTML_SUBDIR     = html
TEXI2HTML_INIT  = t2h_singular.init
ifeq ($(VERBOSE),0)
T2H_VERBOSE	=
else
T2H_VERBOSE     = -Verbose
endif
TEXI2HTML_OPTS  = -init_file ${TEXI2HTML_INIT} -l2h \
	          -short_ext -l2h_tmp ${TMP_DIR} -subdir ${HTML_SUBDIR} \
                  ${T2H_VERBOSE}
HTML_MANUAL_PREFIX = sing
HTML_TUTOR_PREFIX  = tut
HTML_MANUAL_TOP    = index.htm
HTML_TUTOR_TOP     = tutor.htm
##
## End configuration dependend stuff
#################################################################

###########################################################
# File sets
#
STANDALONE_TEXI_FILES	= COPYING.texi INSTALL_unix.texi NEWS.texi \
			  README_download.texi README_ftp.texi \
			  README_distribution.texi README_src.texi \
			  INSTALL_win.texi

DOC2TEX_FILES	= cones.tex countedref.tex decodegb.tex \
		examples.tex general.tex ti_ip.tex math.tex reference.tex \
		start.tex types.tex pdata.tex tricks.tex platform.tex \
		plural.tex letterplace.tex plulibs.tex sca.tex pyobject.tex

MANUAL_FILES	= ${TEX_FILES} ${DOC2TEX_FILES}

TUTOR_FILES	= \
		tutor.tex examples.tex start.tex COPYING.texi

IMAGES_UU	:= $(wildcard images/*.uu)
IMAGES     := $(IMAGES_UU:images/%.uu=%)
IMAGES_SRC := $(IMAGES:%=images/%)
IMAGES_HTML := $(IMAGES:%=${HTML_SUBDIR}/%)

# prepend bindir to path so that programs from there are taken first
export PATH := "${bindir}:${PATH}"

###########################################################
# top targets
#

.PHONY: info dvi ps html

# default target
all: info dvi html singular.idx

# info stuff
info: singular.hlp

singular.hlp: ${MANUAL_FILES} singular.tex s-plural.tex s-plulibs.tex s-letterplace.tex
	- ${MAKEINFO} --no-split singular.tex

# dvi stuff
dvi: manual.dvi usercard.dvi

singular.dvi: ${MANUAL_FILES} singular.tex s-plural.tex s-plulibs.tex s-letterplace.tex
	tex singular.tex
	texindex singular.cp
	tex singular.tex
	texindex singular.cp
	tex singular.tex

singular.pdf: ${MANUAL_FILES} singular.tex s-plural.tex s-plulibs.tex s-letterplace.tex
	${TEXI2PDF} singular.tex

manual.dvi: ${MANUAL_FILES} manual.tex s-plural.tex s-plulibs.tex  s-letterplace.tex
	tex manual.tex
	texindex manual.cp
	tex manual.tex
	texindex manual.cp
	tex manual.tex

tutor.dvi: ${TUTOR_FILES}
	tex tutor.tex
	tex tutor.tex
	tex tutor.tex

tutor.pdf: ${TUTOR_FILES}
	${TEXI2PDF} tutor.tex

usercard.dvi: usercard.tex singcard.tex
	${TEX} $<

s-plural.tex: plural.tex
	sed -e "s/BR_PLURAL_BR/(plural)/g" <plural.tex >s-plural.tex

s-plulibs.tex: plulibs.tex
	sed -e "s/BR_PLURAL_BR/(plural)/g" <plulibs.tex >s-plulibs.tex

s-letterplace.tex: letterplace.tex
	sed -e "s/BR_LETTERPLACE_BR/(letterplace)/g" <letterplace.tex >s-letterplace.tex

# postscript stuff
ps: dvi manual.ps usercard.ps

usercard.ps: usercard.dvi
	${DVIPS} -t landscape -t a4 $< -o $@

%.ps: %.dvi
	${DVIPS} $< -o $@

###########################################################
# texinfo targets
#
manual.tex:  ${MANUAL_FILES} doc2tex.pl ${SINGULAR} singular.doc $(STANDALONE_TEXI_FILES)
	+${DOC2TEX_M} -no_fun -o manual.tex singular.doc

singular.tex: ${MANUAL_FILES} doc2tex.pl ${LIB_TEX_FILES} ${SINGULAR} ${LIBPARSE} singular.doc $(STANDALONE_TEXI_FILES)
	+${DOC2TEX} -o singular.tex singular.doc

#pattern rule for tex files
%_noEx.tex : %.doc doc2tex.pl ${SINGULAR}
	+${DOC2TEX_M} -o $@ -no_ex $<

%.tex: %.doc doc2tex.pl ${SINGULAR}
	+${DOC2TEX} -o $@ $<

# pattern rules for lib docus
${DOC_SUBDIR}/%_lib.pl : ${SINGULAR_LIB_DIR}/%.lib ${LIBPARSE}
	test -d ${DOC_SUBDIR} || mkdir ${DOC_SUBDIR}
	${LIBPARSE} -i $< > $@

%_noFun.doc : %.pl pl2doc.pl
	${PL2DOC_M}  -no_fun -o $@  $<

%.doc : %.pl pl2doc.pl
	${PL2DOC} -o $@ $<

# do not delete intermediate .pl and .doc files
.PRECIOUS: %.doc %_noFun.doc ${DOC_SUBDIR}/%_lib.pl

# index file for help
singular.idx: singular.hlp ${HTML_SUBDIR}/${HTML_MANUAL_PREFIX}_cp.idx doc2idx.pl
	${PERL} doc2idx.pl singular.hlp ${HTML_SUBDIR}/${HTML_MANUAL_PREFIX}_cp.idx ${CHKSUM_DB} > singular.idx

###########################################################

ifeq ($(SINGUNAME),@SINGUNAME@)
UNAME_OPT = -D UNAME
endif

# targets which produce stand-alone documents
%.${SINGUNAME}.txt : %.texi
	${MAKEINFO} $(UNAME_OPT) --no-header --paragraph-indent none  -o $@ $<

%.txt :  %.texi
	${MAKEINFO} --no-header --paragraph-indent none -o $@ $<

%.${SINGUNAME}.html : %.texi
	${PERL} ${TEXI2HTML} $(UNAME_OPT) -init_file t2h_standalone.init -split none -out_file $@ $<

%.html : %.texi
	${PERL} ${TEXI2HTML} -init_file t2h_standalone.init -split none -out_file $@ $<

% : %.txt
	cp $< $@

###########################################################
# html targets
#
html: ${TMP_DIR} ${HTML_SUBDIR}/${HTML_MANUAL_TOP} ${IMAGES_HTML} $(STANDALONE_TEXI_FILES)
${HTML_SUBDIR}/${HTML_MANUAL_TOP}: ${TEXI2HTML_INIT} ${TEXI2HTML} singular.tex s-plural.tex s-letterplace.tex
	${PERL} ${TEXI2HTML} ${TEXI2HTML_OPTS} -prefix ${HTML_MANUAL_PREFIX} \
        -top_file ${HTML_MANUAL_TOP} singular.tex

# html stuff
html_tutor: ${TMP_DIR} ${HTML_SUBDIR}/${HTML_TUTOR_TOP} ${IMAGES_HTML}
${HTML_SUBDIR}/${HTML_TUTOR_TOP}: ${TEXI2HTML_INIT} ${TEXI2HTML} tutor.tex
	${PERL} ${TEXI2HTML} ${TEXI2HTML_OPTS} -prefix ${HTML_TUTOR_PREFIX} \
        -top_file ${HTML_TUTOR_TOP} tutor.tex

${HTML_SUBDIR}/${HTML_MANUAL_PREFIX}_cp.idx: ${HTML_SUBDIR}/${HTML_MANUAL_TOP}

${TMP_DIR}:
	${MKINSTALLDIRS} ${TMP_DIR}

# pattern rules for images - but not everybody has gnu-uudecode
images/%.gif : images/%.gif.uu
	cd images; ${UUDECODE} ../$< ;cd ..

images/%.jpg : images/%.jpg.uu
	cd images; ${UUDECODE} ../$< ;cd ..

images/%.xbm : images/%.xbm.uu
	cd images; ${UUDECODE} ../$< ;cd ..

${IMAGES_HTML} : ${IMAGES_SRC}
	test -d ${HTML_SUBDIR} || mkdir ${HTML_SUBDIR}
	cp ${IMAGES_SRC} ${HTML_SUBDIR}

###########################################################
# misc targets
#
texi2html = $(TEXI2HTML:%.pl=%)

clean: mostlyclean
	/bin/rm -rf singular.tex manual.tex ${DOC_SUBDIR} ${EX_SUBDIR}

mostlyclean:
	/bin/rm -f .singular_hist doe.tmp dump.ascii example.mp example.txt
	/bin/rm -f save_i test.ascii test.mp
	/bin/rm -f Z* *.tst *.pag *.dir *.lst *.log *.aux *.cp *.cps
	/bin/rm -f *.fn *.fns *.ky *.kys *.log *.pg *.pgs *.toc *.tp
	/bin/rm -f *.tps *.vr *.vrs *.dvi *.ps
	/bin/rm -f s-plural.tex s-plulibs.tex s-letterplace.tex
	/bin/rm -f singular.hlp manual.hlp  ${DOC2TEX_FILES} singular.idx
	/bin/rm -f manual.hlp
	/bin/rm -f ${HTML_SUBDIR}/${HTML_MANUAL_TOP} ${HTML_SUBDIR}/${HTML_TUTOR_TOP}
	/bin/rm -rf ${STANDALONE_HTML_FILES} ${STANDALONE_FILES} ${STANDALONE_TXT_FILES}
	/bin/rm -f INSTALL_unix.${SINGUNAME}.txt INSTALL_unix.${SINGUNAME}.html

distclean: clean
	/bin/rm -f Makefile
	/bin/rm -rf ${HTML_SUBDIR} ../html ../examples

maintainer-clean: distclean

depend:
	@echo "No make depend available!"

${SINGULAR}:
#	cd ..; ${MAKE} ${SINGULAR}

html-done: ${MANUAL_FILES}