PREFIX = $$HOME/.local
BINDIR = $(PREFIX)/bin
DATADIR = $(PREFIX)/share

ELK_INCLUDE_DIR = $(PREFIX)/include
ELK_LIB_DIR = $(PREFIX)/lib

CTAGS = ctags -t -w
INSTALL = install
MAKEDEPEND = makedepend

CC = gcc
CFLAGS = -Wall -pedantic -O -I $(ELK_INCLUDE_DIR)
LDFLAGS = -L $(ELK_LIB_DIR) -lm -lelk

###  The directory under which you will install the Scheme files.
DEFAULT_DIR = $(DATADIR)/unroff
SCMDIR = $(DATADIR)/unroff/scm

DEFAULT_FORMAT = html

INCLUDE = -I $(ELK_INCLUDE_DIR)
DEFS    = -D DEFAULT_DIR=\"$(DEFAULT_DIR)\" -D DEFAULT_FORMAT=\"$(DEFAULT_FORMAT)\"

SOURCES	= \
	args.c\
	buffer.c\
	error.c\
	event.c\
	expr.c\
	gcroot.c\
	insert.c\
	malloc.c\
	parse.c\
	prim.c\
	scmtable.c\
	stream.c\
	subst.c\
	table.c\
	unroff.c

OBJECTS	= \
	args.o\
	buffer.o\
	error.o\
	event.o\
	expr.o\
	gcroot.o\
	insert.o\
	malloc.o\
	parse.o\
	prim.o\
	scmtable.o\
	stream.o\
	subst.o\
	table.o\
	unroff.o

all:    unroff

unroff: $(OBJECTS)
	$(CC) -o $@ $(OBJECTS) $(LDFLAGS)

.c.o:
	$(CC) $(CFLAGS) $(INCLUDE) $(DEFS) -c $<

install: unroff
	$(INSTALL) unroff $(BINDIR)/unroff
	mkdir -p $(SCMDIR)
	mkdir -p $(SCMDIR)/html
	mkdir -p $(SCMDIR)/misc
	$(INSTALL) -m 644 ../scm/html/common.scm $(SCMDIR)/html/common.scm
	$(INSTALL) -m 644 ../scm/html/m.scm $(SCMDIR)/html/m.scm
	$(INSTALL) -m 644 ../scm/html/man.scm $(SCMDIR)/html/man.scm
	$(INSTALL) -m 644 ../scm/html/ms.scm $(SCMDIR)/html/ms.scm
	$(INSTALL) -m 644 ../scm/misc/hyper.scm $(SCMDIR)/misc/hyper.scm
	$(INSTALL) -m 644 ../scm/troff.scm $(SCMDIR)/troff.scm

clean:
	rm -f $(OBJECTS) unroff

tags ctags: $(SOURCES)
	$(CTAGS) $(SOURCES)

depend: Makefile $(SOURCES)
	$(MAKEDEPEND) $(INCLUDE) $(SOURCES)

.PHONY: all clean ctags depend install tags

# DO NOT DELETE THIS LINE -- make depend depends on it.