VERSION=1.0

CC=gcc
CFLAGS=-Wall -Wno-pointer-sign -g
INSTALL=install

# these locations seem to work for SuSE and Fedora
# prefix = $(HOME)
prefix = /usr
DESTDIR = $(prefix)/bin
DESKTOPDIR = $(prefix)/share/applications
ICONPATH = $(prefix)/share/icons/hicolor
ICONDIR = $(ICONPATH)/scalable/apps
gtk_update_icon_cache = gtk-update-icon-cache -f -t $(ICONPATH)

NAME = subsurface
ICONFILE = $(NAME).svg
DESKTOPFILE = $(NAME).desktop

# find libdivecomputer; we don't trust pkg-config here given how young
# libdivecomputer still is - so we check /usr/local and /usr and then we
# give up. You can override by simply setting it here
#
libdc-local := $(wildcard /usr/local/include/libdivecomputer/*)
libdc-usr := $(wildcard /usr/include/libdivecomputer/*)

ifneq ($(strip $(libdc-local)),)
	LIBDIVECOMPUTERDIR = /usr/local
	LIBDIVECOMPUTERINCLUDES = $(LIBDIVECOMPUTERDIR)/include/libdivecomputer
	LIBDIVECOMPUTERARCHIVE = -L$(LIBDIVECOMPUTERDIR)/lib -ldivecomputer
else ifneq ($(strip $(libdc-usr)),)
	LIBDIVECOMPUTERDIR = /usr
	LIBDIVECOMPUTERINCLUDES = $(LIBDIVECOMPUTERDIR)/include/libdivecomputer
	LIBDIVECOMPUTERARCHIVE = -ldivecomputer
else
$(error Cannot find libdivecomputer - please edit Makefile)
endif

# Libusb-1.0 is only required if libdivecomputer was built with it.
# And libdivecomputer is only built with it if libusb-1.0 is
# installed. So get libusb if it exists, but don't complain
# about it if it doesn't.
LIBUSB = $(shell pkg-config --libs libusb-1.0 2> /dev/null)

LIBXML2 = $(shell xml2-config --libs)
LIBGTK = $(shell pkg-config --libs gtk+-2.0 glib-2.0 gconf-2.0)
LIBDIVECOMPUTER = $(LIBDIVECOMPUTERARCHIVE) $(LIBUSB)

LIBS = $(LIBXML2) $(LIBGTK) $(LIBDIVECOMPUTER) -lpthread

OBJS =	main.o dive.o profile.o info.o equipment.o divelist.o \
	parse-xml.o save-xml.o libdivecomputer.o print.o uemis.o \
	gtk-gui.o

$(NAME): $(OBJS)
	$(CC) $(LDFLAGS) -o $(NAME) $(OBJS) $(LIBS)

install: $(NAME)
	$(INSTALL) -d -m 755 $(DESTDIR)
	$(INSTALL) $(NAME) $(DESTDIR)
	$(INSTALL) -d -m 755 $(DESKTOPDIR)
	$(INSTALL) $(DESKTOPFILE) $(DESKTOPDIR)
	$(INSTALL) -d -m 755 $(ICONDIR)
	$(INSTALL) $(ICONFILE) $(ICONDIR)
	$(gtk_update_icon_cache)

parse-xml.o: parse-xml.c dive.h
	$(CC) $(CFLAGS) `pkg-config --cflags glib-2.0` -c `xml2-config --cflags`  parse-xml.c

save-xml.o: save-xml.c dive.h
	$(CC) $(CFLAGS) `pkg-config --cflags glib-2.0` -c save-xml.c

dive.o: dive.c dive.h
	$(CC) $(CFLAGS) `pkg-config --cflags glib-2.0` -c dive.c

main.o: main.c dive.h display.h divelist.h
	$(CC) $(CFLAGS) `pkg-config --cflags glib-2.0 gconf-2.0` \
		-c main.c

profile.o: profile.c dive.h display.h divelist.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c profile.c

info.o: info.c dive.h display.h display-gtk.h divelist.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c info.c

equipment.o: equipment.c dive.h display.h divelist.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c equipment.c

divelist.o: divelist.c dive.h display.h divelist.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c divelist.c

print.o: print.c dive.h display.h display-gtk.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c print.c

libdivecomputer.o: libdivecomputer.c dive.h display.h display-gtk.h libdivecomputer.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` \
			-I$(LIBDIVECOMPUTERINCLUDES) \
			-c libdivecomputer.c

gtk-gui.o: gtk-gui.c dive.h display.h divelist.h display-gtk.h libdivecomputer.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0 gconf-2.0` \
			-I$(LIBDIVECOMPUTERINCLUDES) \
			-DVERSION_STRING='"v$(VERSION)"' \
			-c gtk-gui.c

uemis.o: uemis.c uemis.h
	$(CC) $(CFLAGS) `pkg-config --cflags gtk+-2.0 glib-2.0` -c uemis.c

clean:
	rm -f $(OBJS) *~ $(NAME)