SUBDIRS := $(patsubst %/, %, $(filter %/, $(shell ls -F)))

SUBDIRMARKS := $(patsubst %, _dir_%, $(SUBDIRS))

DVI := $(patsubst %.tex, %.dvi, $(wildcard *.tex))

PS := $(patsubst %.tex, %.ps, $(wildcard *.tex))

PDF := $(patsubst %.tex, %.pdf, $(wildcard *.tex))

HTMLTEX := $(patsubst %.tex, %, $(wildcard *.tex))

all : $(patsubst %.php, %.phps, $(wildcard *.php)) \
      $(patsubst %.inc, %.inc.phps, $(wildcard *.inc)) \
      $(SUBDIRMARKS) $(DVI) $(PS) $(PDF) $(HTMLTEX)

dvi : $(DVI)

ps : $(PS)

htmltex : $(HTMLTEX)

# Create symbolic links to all *.php and *.inc files

%.phps : %.php
	ln -s $< $@

%.inc.phps : %.inc
	ln -s $< $@

# Make subdirectories recursively

.PHONY : $(SUBDIRMARKS)

.PHONY : makesubdirs

$(SUBDIRMARKS) : makesubdirs
	-$(MAKE) -C $(patsubst _dir_%, %, $@)

# Compile LaTeX into DVI, PostScript, PDF, HTML

%.dvi : %.tex
	latex $<
	latex $<

%.ps  : %.dvi
	dvips -f <$< >$@

%.pdf : %.tex
	pdflatex $<

%     : %.tex
	latex2html -split 0 -show_section_numbers -no_navigation $<