PACKAGE	= propagator

DESTDIR =

bindir  = /usr/bin
libdir  = /usr/lib

INSTALL = /bin/install

#---------------------------------------------------------------
L ?= GLIBC
#L = KLIBC

ifeq ($(L),KLIBC)
CC = klcc
endif

ifeq ($(F),)
ifeq ($(L),GLIBC)
F = NEWT
else
F = STDIO
endif
endif

CFLAGS += -Os -pipe -Wall

GLIBC_INCLUDES =
KLIBC_INCLUDES =
INCLUDES = $($(L)_INCLUDES)

GLIBC_LDFLAGS = -static
KLIBC_LDFLAGS =
MUSL_LDFLAGS = -static
LDFLAGS += $($(L)_LDFLAGS)

STRIPCMD = strip -R .note -R .comment

#---------------------------------------------------------------
DEFS = -D_GNU_SOURCE

#---------------------------------------------------------------
INITSRC = init.c
INITOBJS = $(addprefix $(L)-,$(subst .c,.o,$(INITSRC)))

#---------------------------------------------------------------
STAGE1_DEFS =
ifneq ($(WITH_SHELL),)
STAGE1_DEFS += -DSPAWN_SHELL
endif
ifneq ($(WITH_SPLASH),)
STAGE1_DEFS += -DSPAWN_SPLASH
endif
ifeq ($(WITH_ADSL),)
STAGE1_DEFS += -DDISABLE_ADSL
endif
ifneq ($(WITHOUT_USBNET),)
STAGE1_DEFS += -DDISABLE_USBNET
endif

COMPILE = $(CC) $(CFLAGS) $(DEFS)

#- frontends
NEWT_FRONTEND_SRC = newt-frontend.c
NEWT_FRONTEND_LIBS = $(libdir)/libnewt.a $(libdir)/libslang.a

STDIO_FRONTEND_SRC = stdio-frontend.c
STDIO_FRONTEND_LIBS =

FRONTEND_OBJS = $(addprefix $(L)-,$(subst .c,.o,$($(F)_FRONTEND_SRC)))
FRONTEND_LINK = $(FRONTEND_OBJS) $($(F)_FRONTEND_LIBS)

GLIBC_STAGE1_OWN_LIBS =
KLIBC_STAGE1_OWN_LIBS =
STAGE1_OWN_LIBS = $($(L)_STAGE1_OWN_LIBS)

KLIBC_STAGE1_NETWORK_LIBS =
GLIBC_STAGE1_NETWORK_LIBS = $(libdir)/libresolv.a
STAGE1_NETWORK_LIBS = $($(L)_STAGE1_NETWORK_LIBS)

STAGE1SRC = stage1.c log.c tools.c modules.c probing.c \
	mount.c lomount.c automatic.c frontend-common.c \
	cdrom.c disk.c common.c \
	network.c dhcp.c url.c dns.c adsl.c \
	sha256.c

STAGE1OBJS = $(addprefix $(L)-,$(subst .c,.o,$(STAGE1SRC)))

#---------------------------------------------------------------
ALLSRC = $(INITSRC) $(STAGE1SRC)

TARGETS = init gencpio

all:	version.h $(TARGETS)

init:	$(INITOBJS) $(STAGE1OBJS) $(STAGE1_OWN_LIBS) $(STAGE1_NETWORK_LIBS) $(FRONTEND_LINK) $(STAGE1_LIBC)
	$(CC) -o $@ $^ $(LDFLAGS)
	$(STRIPCMD) $@

$(INITOBJS): $(L)-%.o: %.c
	$(COMPILE) $(INIT_DEFS) -c $< -o $@

$(STAGE1OBJS): $(L)-%.o: %.c
	$(COMPILE) $(INCLUDES) $(STAGE1_DEFS) -c $< -o $@

$(FRONTEND_OBJS): $(L)-%.o: %.c
	$(COMPILE) $(INCLUDES) -c $< -o $@

version.h:
	echo -e \#define VERSION \"$(version)\" \\n\#define DISTRIB_NAME \"ALT Linux\" > $@

gencpio: gen_init_cpio.c
	$(CC) $(CFLAGS) $(DEFS) -o $@ $^

install: 
	$(INSTALL) -D -m0755 gencpio $(DESTDIR)$(bindir)/gencpio
	$(INSTALL) -m0755 mkmodpack $(DESTDIR)$(bindir)/mkmodpack
	$(INSTALL) -D -m0755 init $(DESTDIR)/usr/sbin/propagator

clean: 
	rm -f *.o .depend $(TARGETS) version.h

.depend: version.h
	$(CPP) $(CFLAGS) -M $(ALLSRC) > .depend

ifeq (.depend,$(wildcard .depend))
include .depend
endif