blob: 10a3ce1a2d125696d8636feb120078bd8054ba9c [file] [log] [blame]
VERSION = 2
PATCHLEVEL = 5
SUBLEVEL = 18
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/built-in.o
DRIVERS-$(CONFIG_ATM) += drivers/atm/atm.o
DRIVERS-$(CONFIG_IDE) += drivers/ide/idedriver.o
DRIVERS-$(CONFIG_FC4) += drivers/fc4/built-in.o
DRIVERS-$(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/built-in.o
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/built-in.o
DRIVERS-$(CONFIG_VT) += drivers/video/video.o
DRIVERS-$(CONFIG_PARIDE) += drivers/block/paride/built-in.o
DRIVERS-$(CONFIG_TC) += drivers/tc/built-in.o
DRIVERS-$(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)))