#******************************************************************************
 #
 #    mdk-stage1 - the program that will load second-stage install
 #
 # $Id$
 #
 # Guillaume Cottenceau (gc@mandrakesoft.com)
 #
 # Copyright 2000 MandrakeSoft
 #
 # This software may be freely redistributed under the terms of the GNU
 # public license.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 #
 # Portions from Erik Troan (ewt@redhat.com) Copyright 1996 Red Hat Software 
 #
 #*****************************************************************************
 #
 # Currently:
 #
 # 	ix86
 # init with minilibc
 # stage1 with dietlibc except some targets
 #
 # 	ppc
 # init with dietlibc
 # stage1 with glibc
 #
 # 	ia64
 # init with glibc
 # stage1 with glibc
 #
 #*****************************************************************************

PACKAGE	= propagator
RPM	= /bin/rpm
RPMSPEC	= $(PACKAGE).spec
VERSION	= $(shell $(RPM) -q --qf '[%{VERSION} ]' --specfile $(RPMSPEC) |cut -f1 -d ' ')
RELEASE	= $(shell $(RPM) -q --qf '[%{RELEASE} ]' --specfile $(RPMSPEC) |cut -f1 -d ' ')
TARFILE = $(PACKAGE)-$(VERSION).tar.bz2
TARDIR	= $(shell $(RPM) --define 'name $(PACKAGE)' --eval %_sourcedir)

METHODS = full medias network

DESTDIR =
BINSDIR ?= /usr/lib/propagator/bin
MODDIR	?= /var/lib/propagator/modules

include Makefile.common

STAGE1BINS = $(METHODS:%=stage1-%)
BINS = init $(STAGE1BINS)

DIRS += pci-resource usb-resource
DEFS = -DSPAWN_SHELL -DENABLE_USB
COMPILE = $(CC) $(DEFS) $(CFLAGS)

#- stage1 "loader"
# i386 name is invalid to force this feature off
ifeq (xi386, $(ARCH))
INITSRC = minilibc.c init.c
INIT_DEFS = -DINIT_HEADERS=\"minilibc.h\"
else
INITSRC = init.c
ifeq (ia64, $(ARCH))
INIT_DEFS = -DINIT_HEADERS=\"init-libc-headers.h\" $(GLIBC_INCLUDES)
else
INIT_DEFS = -DINIT_HEADERS=\"init-libc-headers.h\" $(DIETLIBC_INCLUDES)
endif
endif

INITOBJS = $(subst .c,.o,$(INITSRC))

#- frontends
NEWT_FRONTEND_SRC = newt-frontend.c
GLIBC_NEWT_FRONTEND_LIBS = newt/libnewt.a slang/libslang.a
DIETLIBC_NEWT_FRONTEND_LIBS = $(DIET_LIBDIR)/libnewt.a $(DIET_LIBDIR)/libslang.a

STDIO_FRONTEND_SRC = stdio-frontend.c
GLIBC_STDIO_FRONTEND_LIBS =
DIETLIBC_STDIO_FRONTEND_LIBS =


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

GLIBC_STAGE1_OWN_LIBS = mar/libmar.a /usr/lib/libbz2.a
DIETLIBC_STAGE1_OWN_LIBS = $(DIET_LIBDIR)/libmar.a $(DIET_LIBDIR)/libbz2.a
STAGE1_OWN_LIBS = $($(L)_STAGE1_OWN_LIBS)


ifeq (DIETLIBC, $(L))
STAGE1_NETWORK_LIBS = $(DIET_LIBDIR)/librpc.a
endif

ifeq (GLIBC, $(L))
STAGE1_NETWORK_LIBS = /usr/lib/libresolv.a
endif

###############################################################################
# stage1 itself
STAGE1SRC = stage1.c log.c tools.c modules.c probing.c mount.c automatic.c frontend-common.c
MEDIASRC = cdrom.c disk.c lomount.c
NETWORKSRC = network.c nfsmount.c dhcp.c url.c dns.c adsl.c
ALLSRC = $(INITSRC) $(STAGE1SRC) $(MEDIASRC) $(NETWORKSRC)
###############################################################################

STAGE1OBJS-MEDIA = $(subst .c,-MEDIA.o,$(STAGE1SRC) $(MEDIASRC))
MEDIA_DEFS = -DDISABLE_NETWORK -DAUTO_METHOD=\""cdrom"\" ##-DAUTO_METHOD=\""disk"\"

STAGE1OBJS-NETWORK = $(subst .c,-NETWORK.o,$(STAGE1SRC) $(NETWORKSRC))
NETWORK_DEFS = -DDISABLE_CDROM -DDISABLE_DISK

STAGE1OBJS-FULL = $(subst .c,-FULL.o,$(STAGE1SRC) $(MEDIASRC) $(NETWORKSRC))
USBNET_DEFS = -DENABLE_USBNET
USBSTORAGE_DEFS = -DENABLE_USBSTORAGE

ifeq (xi386, $(ARCH))
LDFLAGS_INIT = -static -nostdlib /usr/lib/crt1.o
else
ifeq (ia64, $(ARCH))
LDFLAGS_INIT = $(GLIBC_LDFLAGS_STAGE1)
INIT_LIBC = $(GLIBC_LIBC)
else
LDFLAGS_INIT = $(DIETLIBC_LDFLAGS_STAGE1)
INIT_LIBC = $(DIETLIBC_LIBC)
endif
endif


all: version.h dirs $(BINS)

dirs:
	@for n in . $(DIRS); do \
		[ "$$n" = "." ] || make -C $$n ;\
	done

init:  $(INITOBJS) $(INIT_LIBC)
	$(CC) -o $@ $^ $(LDFLAGS_INIT)
	$(STRIPCMD) $@

stage1-medias: $(STAGE1OBJS-MEDIA) $(STAGE1_OWN_LIBS) $(FRONTEND_LINK) $(STAGE1_LIBC)
	$(CC) -o $@ $^ $(LDFLAGS_STAGE1)
	$(STRIPCMD) $@

stage1-network: $(STAGE1OBJS-NETWORK) $(STAGE1_OWN_LIBS) $(STAGE1_NETWORK_LIBS) $(FRONTEND_LINK) $(STAGE1_LIBC)
	$(CC) -o $@ $^ $(LDFLAGS_STAGE1)
	$(STRIPCMD) $@

stage1-full: $(STAGE1OBJS-FULL) $(STAGE1_OWN_LIBS) $(STAGE1_NETWORK_LIBS) $(FRONTEND_LINK) $(STAGE1_LIBC)
	$(CC) -o $@ $^ $(LDFLAGS_STAGE1)
	$(STRIPCMD) $@

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

$(STAGE1OBJS-MEDIA): %-MEDIA.o: %.c
	$(COMPILE) $(INCLUDES) $(MEDIA_DEFS) $(USBSTORAGE_DEFS) -c $< -o $@

$(STAGE1OBJS-NETWORK): %-NETWORK.o: %.c
	$(COMPILE) $(INCLUDES) $(NETWORK_DEFS) $(USBNET_DEFS) -c $< -o $@

$(STAGE1OBJS-FULL): %-FULL.o: %.c
	$(COMPILE) $(INCLUDES) $(USBNET_DEFS) $(USBSTORAGE_DEFS) -c $< -o $@

.c.o:
	$(COMPILE) $(INCLUDES) -c $<

version.h: /etc/altlinux-release
	@sed 's|^ALT Linux \([^ ]\+\)\([^(]\+\)(\([^)]\+\))|\
	echo \\#define VERSION \\"\2\\";echo \\#define DISTRIB_NAME \\"ALT Linux\2\1 \\(\3\\)\\"|' < $^ |sh > $@

clean: 
	@for n in $(DIRS); do \
		(cd $$n; make clean) \
	done
	rm -f *.o .depend *.rdz *.img $(BINS)
	rm -f version.h

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

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

*-MEDIA.o: %-MEDIA.o: %.o

*-NETWORK.o: %-NETWORK.o: %.o

*-FULL.o: %-FULL.o: %.o

install: all
	mkdir -p $(DESTDIR)$(BINSDIR)
	install -m0755 init $(DESTDIR)$(BINSDIR)
	@methods='$(METHODS)'; for m in $$methods; do \
		mkdir -p $(DESTDIR)$(BINSDIR)/$$m; \
		install -m0755 stage1-$$m $(DESTDIR)$(BINSDIR)/$$m/stage1; \
	done

export:	install

bte:	clean $(RPMSPEC)
	@tar c --exclude CVS --file $(TARDIR)/$(TARFILE) .
	cat $(RPMSPEC)