# set ARCH in your environment if you want to do a multible architecture
# build.  This means you Mac users.
# ARCH= -arch x386 -arch x86_64

LDFLAGS= $(ARCH) -lm -L.
CFLAGS=	-Wall -Wno-parentheses $(ARCH) -I. -I..
OBJS= lib/hexagon.o lib/astar.o lib/cantor.o
SRC=$(OBJS:.o=.c)
TESTS= t/cantor.t t/distance.t t/adjacency.t t/range.t t/hexbin.t \
       t/gridsize.t t/center.t t/polar.t
PREFIX=/usr/local
RELEASE = $(shell git tag | tail -1)

all:	libhexagon.a docs testfiles hexagon

hexagon: cli/hexagon.o libhexagon.a
	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $< -lhexagon

clean:
	rm -f $(OBJS) libhexagon.a $(TESTS)
	rm -f doc/hexagon.3 doc/hexagon.pdf doc/hexagon.tex doc/hexagon.txt \
		doc/hexagon.idx doc/hexagon.aux doc/hexagon.log doc/hexagon.toc

t/%.t:  t/%.o t/ctap.o t/ctap.h $(OBJS)
	$(CC) -I.. -I. -o $@ $+ $(LDFLAGS)

testfiles: $(TESTS)

test:   libhexagon.a prove $(TESTS)
	@./prove $(TESTS) 2>/dev/null

ptest:   libhexagon.a $(TESTS)
	@prove --exec '' $(TESTS) 2>/dev/null

t/ctap.c: ctap/ctap.c
	cp $< $@

t/ctap.h: ctap/ctap.h
	cp $< $@

prove.c: ctap/prove.c
	cp $< $@

libhexagon.a:	$(OBJS)
	ar r $@ $+
	ranlib $@

install: libhexagon.a hexagon.h doc/hexagon.3
	cp libhexagon.a $(PREFIX)/lib
	cp hexagon.h $(PREFIX)/include
	cp doc/hexagon.3 $(PREFIX)/share/man/man3

docs: doc/hexagon.3 doc/hexagon.txt

doc/hexagon.3:	doc/hexagon.pod
	pod2man --center='hexagon library' --section=3 --release='Version $(RELEASE)' $+ > $@

doc/hexagon.txt: doc/hexagon.pod
	pod2text -l $+ > $@

doc/hexagon.pdf:	doc/hexagon.pod
	pod2latex -full $+
	pdflatex hexagon.tex
	pdflatex hexagon.tex
	pdflatex hexagon.tex
	rm -f hexagon.tex hexagon.idx hexagon.aux hexagon.toc hexagon.log

.c.o:
	$(CC) $(CFLAGS) -c -o $@ $<

.SUFFIXES:	.c .h