ifeq ($(shell uname),Darwin)
  LIBTOOL ?= glibtool
else
  LIBTOOL ?= libtool
endif

ifneq ($(VERBOSE),1)
  LIBTOOL +=--quiet
endif

override CFLAGS +=-Wall -Iinclude -std=c99 -Wpedantic -DINLINE=""

ifeq ($(shell uname),SunOS)
  override CFLAGS +=-D__EXTENSIONS__ -D_XPG6 -D__XOPEN_OR_POSIX
endif

ifeq ($(DEBUG),1)
  override CFLAGS +=-ggdb -DDEBUG
endif

ifeq ($(PROFILE),1)
  override CFLAGS +=-pg
  override LDFLAGS+=-pg
endif

CFILES=$(sort $(wildcard src/*.c))
HFILES=$(sort $(wildcard include/*.h))
OBJECTS=$(CFILES:.c=.lo)
LIBRARY=libvterm.la

BINFILES_SRC=$(sort $(wildcard bin/*.c))
BINFILES=$(BINFILES_SRC:.c=)

TBLFILES=$(sort $(wildcard src/encoding/*.tbl))
INCFILES=$(TBLFILES:.tbl=.inc)

HFILES_INT=$(sort $(wildcard src/*.h)) $(HFILES)

VERSION_MAJOR=0
VERSION_MINOR=0

VERSION_CURRENT=0
VERSION_REVISION=0
VERSION_AGE=0

VERSION=0

PREFIX=/usr/local
BINDIR=$(PREFIX)/bin
LIBDIR=$(PREFIX)/lib
INCDIR=$(PREFIX)/include
MANDIR=$(PREFIX)/share/man
MAN3DIR=$(MANDIR)/man3

# Uncomment to check for memory access errors with valgrind.
# VALGRIND=1

all: $(LIBRARY) $(BINFILES)

$(LIBRARY): $(OBJECTS)
	$(LIBTOOL) --mode=link --tag=CC $(CC) -rpath $(LIBDIR) -version-info $(VERSION_CURRENT):$(VERSION_REVISION):$(VERSION_AGE) -o $@ $^ $(LDFLAGS)

src/%.lo: src/%.c $(HFILES_INT)
	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(CFLAGS) -o $@ -c $<

src/encoding/%.inc: src/encoding/%.tbl
	perl -CSD tbl2inc_c.pl $< >$@

src/encoding.lo: $(INCFILES)

bin/%: bin/%.c $(LIBRARY)
	$(LIBTOOL) --mode=link --tag=CC $(CC) $(CFLAGS) -o $@ $< -lvterm $(LDFLAGS)

t/harness.lo: t/harness.c $(HFILES)
	$(LIBTOOL) --mode=compile --tag=CC $(CC) $(CFLAGS) -o $@ -c $<

t/harness: t/harness.lo $(LIBRARY)
	$(LIBTOOL) --mode=link --tag=CC $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)

.PHONY: test
test: $(LIBRARY) t/harness
	for T in `ls t/[0-9]*.test`; do echo "** $$T **"; perl t/run-test.pl $$T $(if $(VALGRIND),--valgrind) || exit 1; done

.PHONY: clean
clean:
	$(LIBTOOL) --mode=clean rm -f $(OBJECTS) $(INCFILES)
	$(LIBTOOL) --mode=clean rm -f t/harness.lo t/harness
	$(LIBTOOL) --mode=clean rm -f $(LIBRARY) $(BINFILES)

.PHONY: install
install: install-inc install-lib install-bin

install-inc:
	install -d $(DESTDIR)$(INCDIR)
	install -m644 $(HFILES) $(DESTDIR)$(INCDIR)
	install -d $(DESTDIR)$(LIBDIR)/pkgconfig
	sed -e "s,@PREFIX@,$(PREFIX)," -e "s,@LIBDIR@,$(LIBDIR)," -e "s,@VERSION@,$(VERSION)," <vterm.pc.in >$(DESTDIR)$(LIBDIR)/pkgconfig/vterm.pc

install-lib: $(LIBRARY)
	install -d $(DESTDIR)$(LIBDIR)
	$(LIBTOOL) --mode=install install $(LIBRARY) $(DESTDIR)$(LIBDIR)/$(LIBRARY)
	$(LIBTOOL) --mode=finish $(DESTDIR)$(LIBDIR)

install-bin: $(BINFILES)
	install -d $(DESTDIR)$(BINDIR)
	$(LIBTOOL) --mode=install install $(BINFILES) $(DESTDIR)$(BINDIR)/

# DIST CUT

VERSION=$(VERSION_MAJOR).$(VERSION_MINOR)

DISTDIR=libvterm-$(VERSION)

distdir: $(INCFILES)
	mkdir __distdir
	cp LICENSE __distdir
	mkdir __distdir/src
	cp src/*.c src/*.h __distdir/src
	mkdir __distdir/src/encoding
	cp src/encoding/*.inc __distdir/src/encoding
	mkdir __distdir/include
	cp include/*.h __distdir/include
	mkdir __distdir/bin
	cp bin/*.c __distdir/bin
	mkdir __distdir/t
	cp t/*.test t/harness.c t/run-test.pl __distdir/t
	sed "s,@VERSION@,$(VERSION)," <vterm.pc.in >__distdir/vterm.pc.in
	sed "/^# DIST CUT/Q" <Makefile >__distdir/Makefile
	mv __distdir $(DISTDIR)

TARBALL=$(DISTDIR).tar.gz

dist: distdir
	tar -czf $(TARBALL) $(DISTDIR)
	rm -rf $(DISTDIR)

dist+bzr:
	$(MAKE) dist VERSION=$(VERSION)+bzr`bzr revno`

distdir+bzr:
	$(MAKE) distdir VERSION=$(VERSION)+bzr`bzr revno`