path: root/Makefile

VERSION = 2
PATCHLEVEL = 3
SUBLEVEL = 99
EXTRAVERSION = -pre1

ARCH = mips

.EXPORT_ALL_VARIABLES:

CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	  else if [ -x /bin/bash ]; then echo /bin/bash; \
	  else echo sh; fi ; fi)
TOPDIR	:= $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)

HPATH   	= $(TOPDIR)/include
FINDHPATH	= $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net

HOSTCC  	= gcc
HOSTCFLAGS	= -O2

CROSS_COMPILE 	=

AS	=$(CROSS_COMPILE)as
LD	=$(CROSS_COMPILE)ld
CC	=$(CROSS_COMPILE)gcc
CPP	=$(CC) -E
AR	=$(CROSS_COMPILE)ar
NM	=$(CROSS_COMPILE)nm
STRIP	=$(CROSS_COMPILE)strip
OBJCOPY	=$(CROSS_COMPILE)objcopy
OBJDUMP	=$(CROSS_COMPILE)objdump
MAKE	=make
GENKSYMS=/sbin/genksyms

all:	do-it-all

#
# Make "config" the default target if there is no configuration file or
# "depend" the target if there is no top-level dependency information.
#
ifeq (.config,$(wildcard .config))
include .config
ifeq (.depend,$(wildcard .depend))
include .depend
do-it-all:	Version vmlinux
else
CONFIGURATION = depend
do-it-all:	depend
endif
else
CONFIGURATION = config
do-it-all:	config
endif

#
# ROOT_DEV specifies the default root-device when making the image.
# This can be either FLOPPY, CURRENT, /dev/xxxx or empty, in which case
# the default of FLOPPY is used by 'build'.
#

ROOT_DEV = CURRENT

KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)

#
# INSTALL_PATH specifies where to place the updated kernel and system map
# images.  Uncomment if you want to place them anywhere other than root.

#INSTALL_PATH=/boot

#
# INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory 
# relocations required by build roots.  This is not defined in the
# makefile but the arguement can be passed to make if needed.
#

#
# If you want to preset the SVGA mode, uncomment the next line and
# set SVGA_MODE to whatever number you want.
# Set it to -DSVGA_MODE=NORMAL_VGA if you just want the EGA/VGA mode.
# The number is the same as you would ordinarily press at bootup.
#

SVGA_MODE=	-DSVGA_MODE=NORMAL_VGA

#
# standard CFLAGS
#

CPPFLAGS := -D__KERNEL__ -I$(HPATH)

ifdef CONFIG_SMP
CPPFLAGS += -D__SMP__
endif

CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
AFLAGS := $(CPPFLAGS)

#
# if you want the RAM disk device, define this to be the
# size in blocks.
#

#RAMDISK = -DRAMDISK=512

# Include the make variables (CC, etc...)
#

CORE_FILES	=kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
NETWORKS	=net/network.a
DRIVERS		=drivers/block/block.a \
		 drivers/char/char.o \
		 drivers/misc/misc.o \
		 drivers/net/net.o \
	         drivers/parport/parport.a
LIBS		=$(TOPDIR)/lib/lib.a
SUBDIRS		=kernel drivers mm fs net ipc lib

DRIVERS-n :=
DRIVERS-y :=
DRIVERS-m :=
DRIVERS-  :=

DRIVERS-$(CONFIG_DRM) += drivers/char/drm/drm.o
DRIVERS-$(CONFIG_AGP) += drivers/char/agp/agp.o
DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a
DRIVERS-$(CONFIG_ISDN) += drivers/isdn/isdn.a
DRIVERS-$(CONFIG_NET_FC) += drivers/net/fc/fc.a
DRIVERS-$(CONFIG_APPLETALK) += drivers/net/appletalk/appletalk.a
DRIVERS-$(CONFIG_TR) += drivers/net/tokenring/tr.a
DRIVERS-$(CONFIG_WAN) += drivers/net/wan/wan.a
DRIVERS-$(CONFIG_ARCNET) += drivers/net/arcnet/arcnet.a
DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.a
DRIVERS-$(CONFIG_IDE) += drivers/ide/ide.a
DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsi.a
DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394.a

ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),)
DRIVERS-y += drivers/cdrom/cdrom.a
endif

DRIVERS-$(CONFIG_SOUND) += drivers/sound/sounddrivers.o
DRIVERS-$(CONFIG_PCI) += drivers/pci/pci.a
DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o
DRIVERS-$(CONFIG_PCMCIA_NETCARD) += drivers/net/pcmcia/pcmcia_net.o
DRIVERS-$(CONFIG_PCMCIA_CHRDEV) += drivers/char/pcmcia/pcmcia_char.o
DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a
DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus.a
DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/zorro.a
DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a
DRIVERS-$(CONFIG_PPC) += drivers/macintosh/macintosh.a
DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.a
DRIVERS-$(CONFIG_ISAPNP) += drivers/pnp/pnp.o
DRIVERS-$(CONFIG_SGI_IP22) += drivers/sgi/sgi.a
DRIVERS-$(CONFIG_VT) += drivers/video/video.o
DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a
DRIVERS-$(CONFIG_HAMRADIO) += drivers/net/hamradio/hamradio.o
DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a
DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o
DRIVERS-$(CONFIG_I2O) += drivers/i2o/i2o.a
DRIVERS-$(CONFIG_IRDA) += drivers/net/irda/irda_drivers.a
DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.a
DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.a

DRIVERS += $(DRIVERS-y)

include arch/$(ARCH)/Makefile

# use '-fno-strict-aliasing', but only if the compiler can take it
CFLAGS += $(shell if $(CC) -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-fno-strict-aliasing"; fi)

.S.s:
	$(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -E -o $*.s $<
.S.o:
	$(CC) -D__ASSEMBLY__ $(AFLAGS) -traditional -c -o $*.o $<

Version: dummy
	@rm -f include/linux/compile.h

boot: vmlinux
	@$(MAKE) -C arch/$(ARCH)/boot

vmlinux: $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
	$(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
		--start-group \
		$(CORE_FILES) \
		$(DRIVERS) \
		$(NETWORKS) \
		$(LIBS) \
		--end-group \
		-o vmlinux
	$(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aU] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map

symlinks:
	rm -f include/asm
	( cd include ; ln -sf asm-$(ARCH) asm)
	@if [ ! -d include/linux/modules ]; then \
		mkdir include/linux/modules; \
	fi

oldconfig: symlinks
	$(CONFIG_SHELL) scripts/Configure -d arch/$(ARCH)/config.in

xconfig: symlinks
	$(MAKE) -C scripts kconfig.tk
	wish -f scripts/kconfig.tk

menuconfig: include/linux/version.h symlinks
	$(MAKE) -C scripts/lxdialog all
	$(CONFIG_SHELL) scripts/Menuconfig arch/$(ARCH)/config.in

config: symlinks
	$(CONFIG_SHELL) scripts/Configure arch/$(ARCH)/config.in

include/config/MARKER: scripts/split-include include/linux/autoconf.h
	scripts/split-include include/linux/autoconf.h include/config
	@ touch include/config/MARKER

linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS))

$(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/config/MARKER
	$(MAKE) -C $(patsubst _dir_%, %, $@)

$(TOPDIR)/include/linux/version.h: include/linux/version.h
$(TOPDIR)/include/linux/compile.h: include/linux/compile.h

newversion:
	@if [ ! -f .version ]; then \
		echo 1 > .version; \
	else \
		expr 0`cat .version` + 1 > .version; \
	fi

include/linux/compile.h: $(CONFIGURATION) include/linux/version.h newversion
	@echo -n \#define UTS_VERSION \"\#`cat .version` > .ver
	@if [ -n "$(CONFIG_SMP)" ] ; then echo -n " SMP" >> .ver; fi
	@if [ -f .name ]; then  echo -n \-`cat .name` >> .ver; fi
	@echo ' '`date`'"' >> .ver
	@echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
	@echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
	@echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
	@if [ -x /bin/dnsdomainname ]; then \
	   echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
	 elif [ -x /bin/domainname ]; then \
	   echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
	 else \
	   echo \#define LINUX_COMPILE_DOMAIN ; \
	 fi >> .ver
	@echo \#define LINUX_COMPILER \"`$(CC) $(CFLAGS) -v 2>&1 | tail -1`\" >> .ver
	@mv -f .ver $@

include/linux/version.h: ./Makefile
	@echo \#define UTS_RELEASE \"$(KERNELRELEASE)\" > .ver
	@echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
	@echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))' >>.ver
	@mv -f .ver $@

init/version.o: init/version.c include/linux/compile.h include/config/MARKER
	$(CC) $(CFLAGS) -DUTS_MACHINE='"$(ARCH)"' -c -o init/version.o init/version.c

init/main.o: init/main.c include/config/MARKER
	$(CC) $(CFLAGS) $(PROFILING) -c -o $*.o $<

fs lib mm ipc kernel drivers net: dummy
	$(MAKE) $(subst $@, _dir_$@, $@)

TAGS: dummy
	etags `find include/asm-$(ARCH) -name '*.h'`
	find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs etags -a
	find $(SUBDIRS) init -name '*.c' | xargs etags -a

# Exuberant ctags works better with -I 
tags: dummy
	CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__initlocaldata,__exitdata,EXPORT_SYMBOL,EXPORT_SYMBOL_NOVERS"`; \
	ctags $$CTAGSF `find include/asm-$(ARCH) -name '*.h'` && \
	find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print | xargs ctags $$CTAGSF -a && \
	find $(SUBDIRS) init -name '*.c' | xargs ctags $$CTAGSF -a

MODFLAGS += -DMODULE
ifdef CONFIG_MODULES
ifdef CONFIG_MODVERSIONS
MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h
endif

modules: $(patsubst %, _mod_%, $(SUBDIRS))

modules/MARKER:
	mkdir -p modules
	touch modules/MARKER

$(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER modules/MARKER
	$(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules

modules_install:
	@( \
	MODLIB=$(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE); \
	cd modules; \
	MODULES=""; \
	inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
		mkdir -p $$MODLIB/$$2; cp $$These $$MODLIB/$$2; \
		echo Installing modules under $$MODLIB/$$2; \
	}; \
	mkdir -p $$MODLIB; \
	\
	if [ -f BLOCK_MODULES ]; then inst_mod BLOCK_MODULES block; fi; \
	if [ -f NET_MODULES   ]; then inst_mod NET_MODULES   net;   fi; \
	if [ -f IPV4_MODULES  ]; then inst_mod IPV4_MODULES  ipv4;  fi; \
	if [ -f IPV6_MODULES  ]; then inst_mod IPV6_MODULES  ipv6;  fi; \
	if [ -f ATM_MODULES   ]; then inst_mod ATM_MODULES   atm;   fi; \
	if [ -f IDE_MODULES   ]; then inst_mod IDE_MODULES   ide;   fi; \
	if [ -f SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
	if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
	if [ -f NLS_MODULES   ]; then inst_mod NLS_MODULES   fs;    fi; \
	if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
	if [ -f HAM_MODULES   ]; then inst_mod HAM_MODULES   net;   fi; \
	if [ -f SOUND_MODULES ]; then inst_mod SOUND_MODULES sound; fi; \
	if [ -f VIDEO_MODULES ]; then inst_mod VIDEO_MODULES video; fi; \
	if [ -f FC4_MODULES   ]; then inst_mod FC4_MODULES   fc4;   fi; \
	if [ -f IRDA_MODULES  ]; then inst_mod IRDA_MODULES  net;   fi; \
	if [ -f SK98LIN_MODULES ]; then inst_mod SK98LIN_MODULES  net;   fi; \
	if [ -f SKFP_MODULES ]; then inst_mod SKFP_MODULES   net;   fi; \
	if [ -f USB_MODULES   ]; then inst_mod USB_MODULES   usb;   fi; \
	if [ -f IEEE1394_MODULES ]; then inst_mod IEEE1394_MODULES ieee1394; fi; \
	if [ -f PCMCIA_MODULES ]; then inst_mod PCMCIA_MODULES pcmcia; fi; \
	if [ -f PCMCIA_NET_MODULES ]; then inst_mod PCMCIA_NET_MODULES pcmcia; fi; \
	if [ -f PCMCIA_CHAR_MODULES ]; then inst_mod PCMCIA_CHAR_MODULES pcmcia; fi; \
	if [ -f PCMCIA_SCSI_MODULES ]; then inst_mod PCMCIA_SCSI_MODULES pcmcia; fi; \
	\
	ls -1 -U *.o | sort > $$MODLIB/.allmods; \
	echo $$MODULES | tr ' ' '\n' | sort | comm -23 $$MODLIB/.allmods - > $$MODLIB/.misc; \
	if [ -s $$MODLIB/.misc ]; then inst_mod $$MODLIB/.misc misc; fi; \
	rm -f $$MODLIB/.misc $$MODLIB/.allmods; \
	)

# modules disabled....

else
modules modules_install: dummy
	@echo
	@echo "The present kernel configuration has modules disabled."
	@echo "Type 'make config' and enable loadable module support."
	@echo "Then build a kernel with module support enabled."
	@echo
	@exit 1
endif

clean:	archclean
	rm -f kernel/ksyms.lst include/linux/compile.h
	find . -name '*.[oas]' -type f -print | grep -v lxdialog/ | xargs rm -f
	rm -f core `find . -type f -name 'core' -print`
	rm -f core `find . -type f -name '.*.flags' -print`
	rm -f vmlinux System.map
	rm -f .tmp*
	rm -f drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c
	rm -f drivers/char/conmakehash
	rm -f drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist
	rm -f drivers/sound/bin2hex drivers/sound/hex2hex
	rm -f net/khttpd/make_times_h
	rm -f net/khttpd/times.h
	rm -f submenu*
	rm -rf modules

mrproper: clean archmrproper
	rm -f include/linux/autoconf.h include/linux/version.h
	rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h
	rm -f drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h
	rm -f drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h
	rm -f drivers/net/hamradio/soundmodem/gentbl
	rm -f drivers/char/hfmodem/gentbl drivers/char/hfmodem/tables.h
	rm -f drivers/sound/*_boot.h drivers/sound/.*.boot
	rm -f drivers/sound/msndinit.c
	rm -f drivers/sound/msndperm.c
	rm -f drivers/sound/pndsperm.c
	rm -f drivers/sound/pndspini.c
	rm -f .version .config* config.in config.old
	rm -f scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp
	rm -f scripts/lxdialog/*.o scripts/lxdialog/lxdialog
	rm -f .menuconfig.log
	rm -f include/asm
	rm -rf include/config
	rm -f .depend `find . -type f -name .depend -print`
	rm -f core `find . -type f -size 0 -print`
	rm -f .hdepend scripts/mkdep scripts/split-include
	rm -f $(TOPDIR)/include/linux/modversions.h
	rm -rf $(TOPDIR)/include/linux/modules

distclean: mrproper
	find . -type f \( -name core -o -name '*.orig' -o -name '*.rej' \
		-o -name '*~' -o -name '*.bak' -o -name '#*#' \
		-o -name '.*.orig' -o -name '.*.rej' -o -name '.SUMS' \
		-o -size 0 -o -name TAGS -o -name tags \) -print | env -i xargs rm -f

backup: mrproper
	cd .. && tar cf - linux/ | gzip -9 > backup.gz
	sync

sgmldocs: 
	$(MAKE) -C $(TOPDIR)/Documentation/DocBook books

sums:
	find . -type f -print | sort | env -i xargs sum > .SUMS

dep-files: scripts/mkdep archdep include/linux/version.h
	scripts/mkdep init/*.c > .depend
	find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print | env -i PATH="$(PATH)" HPATH="$(HPATH)" xargs scripts/mkdep > .hdepend
	$(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)"

MODVERFILE :=

ifdef CONFIG_MODVERSIONS
MODVERFILE := $(TOPDIR)/include/linux/modversions.h
endif

depend dep: dep-files $(MODVERFILE)

# make checkconfig: Prune 'scripts' directory to avoid "false positives".
checkconfig:
	find * -name '*.[hcS]' -type f -print | grep -v scripts/ | sort | xargs perl -w scripts/checkconfig.pl

checkhelp:
	perl -w scripts/checkhelp.pl `find * -name [cC]onfig.in -print`

ifdef CONFIGURATION
..$(CONFIGURATION):
	@echo
	@echo "You have a bad or nonexistent" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
	@echo
	$(MAKE) $(CONFIGURATION)
	@echo
	@echo "Successful. Try re-making (ignore the error that follows)"
	@echo
	exit 1

#dummy: ..$(CONFIGURATION)
dummy:

else

dummy:

endif

include Rules.make

#
# This generates dependencies for the .h files.
#

scripts/mkdep: scripts/mkdep.c
	$(HOSTCC) $(HOSTCFLAGS) -o scripts/mkdep scripts/mkdep.c

scripts/split-include: scripts/split-include.c
	$(HOSTCC) $(HOSTCFLAGS) -o scripts/split-include scripts/split-include.c