# Only works with Gnu make.
# Needs Gnu m4 to implement assertions in Icon.


# Change these two to suit your configuration:
LIB=/opt/noweb/lib
MPPLIB=/opt/noweb/mpp

#----------------------------------------------------------------------

ICONT=icont
TANGLE=notangle

.SUFFIXES: .nw .icn .tex .dvi


all: mpp autodefs.tangram

install:
	cp -p mpp $(LIB)
	cp -p *pp_spec $(MPPLIB)

mpp.tex:	mpp.nw
	$(LIB)/markup $< | $(LIB)/autodefs.icon | $(LIB)/finduses -noquote \
	| ./mpp -lib $(MPPLIB) -L Icon | $(LIB)/noidx -delay | $(LIB)/totex -delay > $@

%.dvi : %.tex
	latex $<

# Don't delete the intermediate .tex file.
.PRECIOUS : %.tex %.icn


# Icon files, including assertions, via m4.
# Tricky!! if a built-in macro matches smth. in your source, you've got problems.
# Gnu m4 has --prefix-builtins which doesn't recognize built-in macros unless they
# are prefixed with m4_ . So use Gnu m4.
# An additional trick is that m4 uses ` ' to quote strings and will delete ` ' if
# it sees them in your source!  So we set m4's quote characters to null.
%.icn : %.nw
	@echo 'm4_changequote( , )' > qq.m4
	$(TANGLE) $< | \
	m4 --prefix-builtins \
	 -D assert='($$1) | stop("Assertion failure on line ", &line, "!")' qq.m4 - > $@


# Executables
% : %.icn
	$(ICONT) -o $@ $<

# Executables: autodefs.

tangramdefs.icn: tangramdefs.nw /opt/noweb/src/icon/defns.nw
	$(TANGLE) $^  >  $@
autodefs.tangram: tangramdefs.icn
	$(ICONT) -o $@  $<


# Cleaning: remove all files that can be recreated from noweb sources.
nowebs := $(wildcard *.nw)
rem := $(nowebs:.nw=.icn)
rem := $(rem) $(nowebs:.nw=.tex)
rem := $(rem) $(nowebs:.nw=.log)
rem := $(rem) $(nowebs:.nw=.aux)
rem := $(rem) $(nowebs:.nw=.toc)


clean:
	-rm -f $(rem)