VERSION = 2 PATCHLEVEL = 5 SUBLEVEL = 17 EXTRAVERSION = KERNELRELEASE=$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) ARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/) KERNELPATH=kernel-$(shell echo $(KERNELRELEASE) | sed -e "s/-//g") CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ else if [ -x /bin/bash ]; then echo /bin/bash; \ else echo sh; fi ; fi) TOPDIR := $(CURDIR) HPATH = $(TOPDIR)/include FINDHPATH = $(HPATH)/asm $(HPATH)/linux $(HPATH)/scsi $(HPATH)/net HOSTCC = gcc HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer CROSS_COMPILE = # # Include the make variables (CC, etc...) # 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 MAKEFILES = $(TOPDIR)/.config GENKSYMS = /sbin/genksyms DEPMOD = /sbin/depmod PERL = perl MODFLAGS = -DMODULE CFLAGS_MODULE = $(MODFLAGS) AFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = EXPORT_FLAGS = export VERSION PATCHLEVEL SUBLEVEL EXTRAVERSION KERNELRELEASE ARCH \ CONFIG_SHELL TOPDIR HPATH HOSTCC HOSTCFLAGS CROSS_COMPILE AS LD CC \ CPP AR NM STRIP OBJCOPY OBJDUMP MAKE MAKEFILES GENKSYMS PERL export CPPFLAGS EXPORT_FLAGS export CFLAGS CFLAGS_KERNEL CFLAGS_MODULE export AFLAGS AFLAGS_KERNEL AFLAGS_MODULE all: do-it-all # # Make "config" the default target if there is no configuration file or # "depend" the target if there is no top-level dependency information. # ifeq (.config,$(wildcard .config)) include .config ifeq (.hdepend,$(wildcard .hdepend)) do-it-all: vmlinux else CONFIGURATION = depend do-it-all: depend endif else CONFIGURATION = config do-it-all: config endif # # INSTALL_PATH specifies where to place the updated kernel and system map # images. Uncomment if you want to place them anywhere other than root. # #export 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. # MODLIB := $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) export MODLIB # # standard CFLAGS # CPPFLAGS := -D__KERNEL__ -I$(HPATH) CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ -fomit-frame-pointer -fno-strict-aliasing -fno-common AFLAGS := -D__ASSEMBLY__ $(CPPFLAGS) ifdef CONFIG_MODULES EXPORT_FLAGS := -DEXPORT_SYMTAB endif INIT =init/init.o CORE_FILES =kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o NETWORKS =net/network.o LIBS =$(TOPDIR)/lib/lib.a SUBDIRS =init kernel lib drivers mm fs net ipc sound DRIVERS-n := DRIVERS-y := DRIVERS-m := DRIVERS- := DRIVERS-$(CONFIG_ACPI) += drivers/acpi/acpi.o DRIVERS-$(CONFIG_PCI) += drivers/pci/driver.o DRIVERS-$(CONFIG_PARPORT) += drivers/parport/driver.o DRIVERS-y += drivers/base/base.o \ drivers/char/char.o \ drivers/block/block.o \ drivers/misc/misc.o \ drivers/net/net.o \ drivers/media/media.o DRIVERS-$(CONFIG_NUBUS) += drivers/nubus/nubus.a DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o DRIVERS-$(CONFIG_FC4) += drivers/fc4/fc4.a DRIVERS-$(CONFIG_SCSI) += drivers/scsi/scsidrv.o DRIVERS-$(CONFIG_FUSION) += drivers/message/message.o DRIVERS-$(CONFIG_IEEE1394) += drivers/ieee1394/ieee1394drv.o ifneq ($(CONFIG_CD_NO_IDESCSI)$(CONFIG_BLK_DEV_IDECD)$(CONFIG_BLK_DEV_SR)$(CONFIG_PARIDE_PCD),) DRIVERS-y += drivers/cdrom/driver.o endif DRIVERS-$(CONFIG_SOUND) += sound/sound.o DRIVERS-$(CONFIG_MTD) += drivers/mtd/mtdlink.o DRIVERS-$(CONFIG_PCMCIA) += drivers/pcmcia/pcmcia.o DRIVERS-$(CONFIG_DIO) += drivers/dio/dio.a DRIVERS-$(CONFIG_SBUS) += drivers/sbus/sbus_all.o DRIVERS-$(CONFIG_ZORRO) += drivers/zorro/driver.o DRIVERS-$(CONFIG_ALL_PPC) += drivers/macintosh/macintosh.o DRIVERS-$(CONFIG_MAC) += drivers/macintosh/macintosh.o DRIVERS-$(CONFIG_PNP) += drivers/pnp/pnp.o DRIVERS-$(CONFIG_SGI_IP22) += drivers/sgi/sgi.a DRIVERS-$(CONFIG_VT) += drivers/video/video.o DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/paride.a DRIVERS-$(CONFIG_TC) += drivers/tc/tc.a DRIVERS-$(CONFIG_USB) += drivers/usb/usbdrv.o DRIVERS-$(CONFIG_INPUT) += drivers/input/inputdrv.o DRIVERS-$(CONFIG_GAMEPORT) += drivers/input/gameport/gamedrv.o DRIVERS-$(CONFIG_SERIO) += drivers/input/serio/seriodrv.o DRIVERS-$(CONFIG_I2O) += drivers/message/message.o DRIVERS-$(CONFIG_I2C) += drivers/i2c/i2c.o DRIVERS-$(CONFIG_PHONE) += drivers/telephony/telephony.o DRIVERS-$(CONFIG_MD) += drivers/md/mddev.o DRIVERS-$(CONFIG_BLUEZ) += drivers/bluetooth/bluetooth.o DRIVERS-$(CONFIG_HOTPLUG_PCI) += drivers/hotplug/vmlinux-obj.o DRIVERS-$(CONFIG_ISDN) += drivers/isdn/vmlinux-obj.o DRIVERS := $(DRIVERS-y) include arch/$(ARCH)/Makefile export NETWORKS DRIVERS LIBS HEAD LDFLAGS LINKFLAGS MAKEBOOT ASFLAGS # boot target # --------------------------------------------------------------------------- boot: vmlinux @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" AFLAGS="$(AFLAGS) $(AFLAGS_KERNEL)" -C arch/$(ARCH)/boot # Build vmlinux # --------------------------------------------------------------------------- # This is a bit tricky: If we need to relink vmlinux, we want # the version number incremented, which means recompile init/version.o # and relink init/init.o. However, we cannot do this during the # normal descending-into-subdirs phase, since at that time # we cannot yet know if we will need to relink vmlinux. # So we descend into init/ inside the rule for vmlinux again. vmlinux-objs := $(HEAD) $(INIT) $(CORE_FILES) $(LIBS) $(DRIVERS) $(NETWORKS) cmd_link_vmlinux = $(LD) $(LINKFLAGS) $(HEAD) $(INIT) \ --start-group \ $(CORE_FILES) \ $(LIBS) \ $(DRIVERS) \ $(NETWORKS) \ --end-group \ -o vmlinux # set -e makes the rule exit immediately on error define rule_link_vmlinux set -e echo Generating build number . scripts/mkversion > .tmpversion mv -f .tmpversion .version $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" AFLAGS="$(AFLAGS) $(AFLAGS_KERNEL)" -C init echo $(cmd_link_vmlinux) $(cmd_link_vmlinux) echo 'cmd_$@ := $(cmd_link_vmlinux)' > $(@D)/.$(@F).cmd $(NM) vmlinux | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort > System.map endef vmlinux: $(CONFIGURATION) $(vmlinux-objs) dummy $(call if_changed_rule,link_vmlinux) # The actual objects are generated when descending, make sure # no implicit rule kicks in $(sort $(vmlinux-objs)): linuxsubdirs @ # Handle descending into subdirectories listed in $(SUBDIRS) .PHONY: linuxsubdirs linuxsubdirs: $(patsubst %, _dir_%, $(SUBDIRS)) $(patsubst %, _dir_%, $(SUBDIRS)) : dummy include/linux/version.h include/config/MARKER @$(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" AFLAGS="$(AFLAGS) $(AFLAGS_KERNEL)" -C $(patsubst _dir_%, %, $@) # Configuration # --------------------------------------------------------------------------- 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 # make asm->asm-$(ARCH) symlink symlinks: rm -f include/asm ( cd include ; ln -sf asm-$(ARCH) asm) @if [ ! -d include/linux/modules ]; then \ mkdir include/linux/modules; \ fi # split autoconf.h into include/linux/config/* include/config/MARKER: scripts/split-include include/linux/autoconf.h scripts/split-include include/linux/autoconf.h include/config @ touch include/config/MARKER # Generate some files $(TOPDIR)/include/linux/version.h: include/linux/version.h include/linux/version.h: ./Makefile @echo Generating $@ @. scripts/mkversion_h $@ $(KERNELRELEASE) $(VERSION) $(PATCHLEVEL) $(SUBLEVEL) comma := , # --------------------------------------------------------------------------- # Generate dependencies depend dep: dep-files dep-files: scripts/mkdep archdep include/linux/version.h scripts/mkdep -- `find $(FINDHPATH) -name SCCS -prune -o -follow -name \*.h ! -name modversions.h -print` > .hdepend $(MAKE) $(patsubst %,_sfdep_%,$(SUBDIRS)) _FASTDEP_ALL_SUB_DIRS="$(SUBDIRS)" ifdef CONFIG_MODVERSIONS $(MAKE) update-modverfile endif # --------------------------------------------------------------------------- # Modules ifdef CONFIG_MODULES # Build modules ifdef CONFIG_MODVERSIONS MODFLAGS += -DMODVERSIONS -include $(HPATH)/linux/modversions.h endif .PHONY: modules modules: $(patsubst %, _mod_%, $(SUBDIRS)) .PHONY: $(patsubst %, _mod_%, $(SUBDIRS)) $(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER @$(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(CFLAGS_MODULE)" AFLAGS="$(AFLAGS) $(AFLAGS_MODULE)" modules # Install modules .PHONY: modules_install modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post .PHONY: _modinst_ _modinst_: @rm -rf $(MODLIB)/kernel @rm -f $(MODLIB)/build @mkdir -p $(MODLIB)/kernel @ln -s $(TOPDIR) $(MODLIB)/build # If System.map exists, run depmod. This deliberately does not have a # dependency on System.map since that would run the dependency tree on # vmlinux. This depmod is only for convenience to give the initial # boot a modules.dep even before / is mounted read-write. However the # boot script depmod is the master version. ifeq "$(strip $(INSTALL_MOD_PATH))" "" depmod_opts := else depmod_opts := -b $(INSTALL_MOD_PATH) -r endif .PHONY: _modinst_post _modinst_post: if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi .PHONY: $(patsubst %, _modinst_%, $(SUBDIRS)) $(patsubst %, _modinst_%, $(SUBDIRS)) : @$(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install else # CONFIG_MODULES # --------------------------------------------------------------------------- # Modules not configured 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 # CONFIG_MODULES # --------------------------------------------------------------------------- include Rules.make # Build helpers in scripts/ # FIXME: do that in scripts/Makefile? 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 # Cleaning up # --------------------------------------------------------------------------- # files removed with 'make clean' CLEAN_FILES += \ kernel/ksyms.lst include/linux/compile.h \ vmlinux System.map \ .tmp* \ drivers/char/consolemap_deftbl.c drivers/video/promcon_tbl.c \ drivers/char/conmakehash \ drivers/char/drm/*-mod.c \ drivers/pci/devlist.h drivers/pci/classlist.h drivers/pci/gen-devlist \ drivers/zorro/devlist.h drivers/zorro/gen-devlist \ sound/oss/bin2hex sound/oss/hex2hex \ drivers/atm/fore200e_mkfirm drivers/atm/{pca,sba}*{.bin,.bin1,.bin2} \ drivers/scsi/aic7xxx/aic7xxx_seq.h \ drivers/scsi/aic7xxx/aic7xxx_reg.h \ drivers/scsi/aic7xxx/aicasm/aicasm_gram.c \ drivers/scsi/aic7xxx/aicasm/aicasm_scan.c \ drivers/scsi/aic7xxx/aicasm/y.tab.h \ drivers/scsi/aic7xxx/aicasm/aicasm \ drivers/scsi/53c700_d.h \ net/khttpd/make_times_h \ net/khttpd/times.h \ submenu* # directories removed with 'make clean' CLEAN_DIRS += \ modules # files removed with 'make mrproper' MRPROPER_FILES += \ include/linux/autoconf.h include/linux/version.h \ drivers/net/hamradio/soundmodem/sm_tbl_{afsk1200,afsk2666,fsk9600}.h \ drivers/net/hamradio/soundmodem/sm_tbl_{hapn4800,psk4800}.h \ drivers/net/hamradio/soundmodem/sm_tbl_{afsk2400_7,afsk2400_8}.h \ drivers/net/hamradio/soundmodem/gentbl \ sound/oss/*_boot.h sound/oss/.*.boot \ sound/oss/msndinit.c \ sound/oss/msndperm.c \ sound/oss/pndsperm.c \ sound/oss/pndspini.c \ drivers/atm/fore200e_*_fw.c drivers/atm/.fore200e_*.fw \ .version .config* config.in config.old \ scripts/tkparse scripts/kconfig.tk scripts/kconfig.tmp \ scripts/lxdialog/*.o scripts/lxdialog/lxdialog \ .menuconfig.log \ include/asm \ .hdepend scripts/mkdep scripts/split-include scripts/docproc \ $(TOPDIR)/include/linux/modversions.h \ kernel.spec # directories removed with 'make mrproper' MRPROPER_DIRS += \ include/config \ $(TOPDIR)/include/linux/modules clean: archclean find . \( -name '*.[oas]' -o -name core -o -name '.*.cmd' \) -type f -print \ | grep -v lxdialog/ | xargs rm -f rm -f $(CLEAN_FILES) rm -rf $(CLEAN_DIRS) @$(MAKE) -C Documentation/DocBook clean mrproper: clean archmrproper find . \( -size 0 -o -name .depend \) -type f -print | xargs rm -f rm -f $(MRPROPER_FILES) rm -rf $(MRPROPER_DIRS) @$(MAKE) -C Documentation/DocBook mrproper distclean: mrproper rm -f core `find . \( -not -type d \) -and \ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -type f -print` TAGS tags # Assorted miscellaneous targets # --------------------------------------------------------------------------- # Documentation targets sgmldocs psdocs pdfdocs htmldocs: @$(MAKE) -C Documentation/DocBook $@ # RPM target # # If you do a make spec before packing the tarball you can rpm -ta it spec: . scripts/mkspec >kernel.spec # Build a tar ball, generate an rpm from it and pack the result # There arw two bits of magic here # 1) The use of /. to avoid tar packing just the symlink # 2) Removing the .dep files as they have source paths in them that # will become invalid rpm: clean spec find . \( -size 0 -o -name .depend -o -name .hdepend \) -type f -print | xargs rm -f set -e; \ cd $(TOPDIR)/.. ; \ ln -sf $(TOPDIR) $(KERNELPATH) ; \ tar -cvz --exclude CVS -f $(KERNELPATH).tar.gz $(KERNELPATH)/. ; \ rm $(KERNELPATH) ; \ cd $(TOPDIR) ; \ . scripts/mkversion > .version ; \ rpm -ta $(TOPDIR)/../$(KERNELPATH).tar.gz ; \ rm $(TOPDIR)/../$(KERNELPATH).tar.gz # Scripts to check various things for consistency checkconfig: find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkconfig.pl checkhelp: find * -name [cC]onfig.in -print | sort | xargs $(PERL) -w scripts/checkhelp.pl checkincludes: find * -name '*.[hcS]' -type f -print | sort | xargs $(PERL) -w scripts/checkincludes.pl # Generate tags for editors TAGS: dummy { find include/asm-${ARCH} -name '*.h' -print ; \ find include -type d \( -name "asm-*" -o -name config \) -prune -o -name '*.h' -print ; \ find $(SUBDIRS) init -name '*.[ch]' ; } | grep -v SCCS | etags - # Exuberant ctags works better with -I tags: dummy CTAGSF=`ctags --version | grep -i exuberant >/dev/null && echo "-I __initdata,__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 $$CTAGSF -a && \ find $(SUBDIRS) init -name '*.[ch]' | xargs ctags $$CTAGSF -a # Targets which will only descend into one subdir, not trying # to link vmlinux afterwards # FIXME: anybody still using this? fs lib mm ipc kernel drivers net sound: dummy $(MAKE) CFLAGS="$(CFLAGS) $(CFLAGS_KERNEL)" AFLAGS="$(AFLAGS) $(AFLAGS_KERNEL)" $(subst $@, _dir_$@, $@) # Make a backup # FIXME anybody still using this? backup: mrproper cd .. && tar cf - linux/ | gzip -9 > backup.gz sync # Make checksums # FIXME anybody still using this? sums: find . -type f -print | sort | xargs sum > .SUMS # FIXME Should go into a make.lib or something # --------------------------------------------------------------------------- if_changed_rule = $(if $(strip $? \ $(filter-out $(cmd_$(1)),$(cmd_$(@F)))\ $(filter-out $(cmd_$(@F)),$(cmd_$(1)))),\ @$(rule_$(1)))