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VERSION = 2
PATCHLEVEL = 0
SUBLEVEL = 38
UCRELEASE = 1pre3

ARCH = or32

#
# For SMP kernels, set this. We don't want to have this in the config file
# because it makes re-config very ugly and too many fundamental files depend
# on "CONFIG_SMP"
#
# NOTE! SMP is experimental. See the file Documentation/SMP.txt
#
# SMP = 1
#
# SMP profiling options
# SMP_PROF = 1

.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 -I$(HPATH)
HOSTCFLAGS      =-O2 -fomit-frame-pointer

CROSS_COMPILE   =or32-rtems-

AS      =$(CROSS_COMPILE)as
LD      =$(CROSS_COMPILE)ld
CC      =$(CROSS_COMPILE)gcc -D__KERNEL__ -I$(HPATH)
CPP     =$(CC) -E
AR      =$(CROSS_COMPILE)ar
NM      =$(CROSS_COMPILE)nm
STRIP   =$(CROSS_COMPILE)strip
MAKE    =make

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

ifdef CONFIG_UCLINUX
LINUX = linux
else
LINUX = vmlinux
endif

do-it-all:      Version $(LINUX)
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

#
# 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

#
# 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
#


CFLAGS = -Wall -Wstrict-prototypes -Werror-implicit-function-declaration -fomit-frame-pointer -fno-strength-reduce -O2 -g
# CFLAGS = -Wall -Wstrict-prototypes -fomit-frame-pointer -fno-strength-reduce -O2 -DDEBUG

ifdef CONFIG_CPP
CFLAGS := $(CFLAGS) -x c++
endif

ifdef SMP
CFLAGS += -D__SMP__
AFLAGS += -D__SMP__

ifdef SMP_PROF
CFLAGS += -D__SMP_PROF__
AFLAGS += -D__SMP_PROF__
endif
endif

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

#RAMDISK = -DRAMDISK=512

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

ARCHIVES        =kernel/kernel.o fs/fs.o ipc/ipc.o net/network.a
FILESYSTEMS     =fs/filesystems.a
DRIVERS         =drivers/block/block.a \
                 drivers/char/char.a
LIBS            =$(TOPDIR)/lib/lib.a
SUBDIRS         =kernel drivers fs net ipc lib

ifdef CONFIG_UCLINUX 
ARCHIVES := $(ARCHIVES) mmnommu/mm.o
SUBDIRS := $(SUBDIRS) mmnommu
else
ARCHIVES := $(ARCHIVES) mm/mm.o
SUBDIRS := $(SUBDIRS) mm
endif

ifeq ($(CONFIG_ISDN),y)
DRIVERS := $(DRIVERS) drivers/isdn/isdn.a
endif

DRIVERS := $(DRIVERS) drivers/net/net.a

ifdef CONFIG_CD_NO_IDESCSI
DRIVERS := $(DRIVERS) drivers/cdrom/cdrom.a
endif

ifeq ($(CONFIG_SCSI),y)
DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
endif

ifeq ($(CONFIG_SOUND),y)
DRIVERS := $(DRIVERS) drivers/sound/sound.a
endif

ifdef CONFIG_PCI
DRIVERS := $(DRIVERS) drivers/pci/pci.a
endif

ifdef CONFIG_SBUS
DRIVERS := $(DRIVERS) drivers/sbus/sbus.a
endif

include arch/$(ARCH)/Makefile

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

$(LINUX): $(CONFIGURATION) init/main.o init/version.o linuxsubdirs
        $(LD) $(LINKFLAGS) $(HEAD) init/main.o init/version.o \
                $(ARCHIVES) \
                $(FILESYSTEMS) \
                $(DRIVERS) \
                $(LIBS) -o $(LINUX)
        $(NM) --line-numbers $(LINUX) | grep -v '\(compiled\)\|\(\.o$$\)\|\( a \)' | sort > System.map

symlinks:
        rm -f include/asm
        ( cd include ; ln -sf asm-$(ARCH) asm)

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

linuxsubdirs: dummy
        set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i; done

$(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: $(CONFIGURATION) include/linux/version.h newversion
        @if [ -f .name ]; then \
           echo \#define UTS_VERSION \"\#`cat .version`-`cat .name` `date`\"; \
         else \
           echo \#define UTS_VERSION \"\#`cat .version` `date`\";  \
         fi >> .ver
        @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> .ver
        @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> .ver
        @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> .ver
        @if [ -x /bin/dnsdomainname ]; then \
           echo \#define LINUX_COMPILE_DOMAIN \"`dnsdomainname`\"; \
         elif [ -x /bin/domainname ]; then \
           echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\"; \
         else \
           echo \#define LINUX_COMPILE_DOMAIN ; \
         fi >> .ver
        @echo \#define LINUX_COMPILER \"`$(CC) -v 2>&1 | tail -1`\" >> .ver
        @mv -f .ver $@

ifdef CONFIG_UCLINUX
include/linux/version.h: ./Makefile .config
        @echo \#define UTS_RELEASE \"$(VERSION).$(PATCHLEVEL).$(SUBLEVEL).$(UCRELEASE)\" > .ver
        @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
        @mv -f .ver $@
else
include/linux/version.h: ./Makefile
        @echo \#define UTS_RELEASE \"$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)\" > .ver
        @echo \#define LINUX_VERSION_CODE `expr $(VERSION) \\* 65536 + $(PATCHLEVEL) \\* 256 + $(SUBLEVEL)` >> .ver
        @mv -f .ver $@
endif

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

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

fs: dummy
        $(MAKE) linuxsubdirs SUBDIRS=fs

lib: dummy
        $(MAKE) linuxsubdirs SUBDIRS=lib

mm: dummy
        $(MAKE) linuxsubdirs SUBDIRS=mm

mmnommu: dummy
        $(MAKE) linuxsubdirs SUBDIRS=mmnommu

ipc: dummy
        $(MAKE) linuxsubdirs SUBDIRS=ipc

kernel: dummy
        $(MAKE) linuxsubdirs SUBDIRS=kernel

drivers: dummy
        $(MAKE) linuxsubdirs SUBDIRS=drivers

net: dummy
        $(MAKE) linuxsubdirs SUBDIRS=net

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

modules: include/linux/version.h
        @set -e; \
        for i in $(SUBDIRS); \
        do $(MAKE) -C $$i CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules; \
        done

modules_install:
        @( \
        MODLIB=/lib/modules/$(VERSION).$(PATCHLEVEL).$(SUBLEVEL); \
        cd modules; \
        MODULES=""; \
        inst_mod() { These="`cat $$1`"; MODULES="$$MODULES $$These"; \
                mkdir -p $$MODLIB/$$2; cp -p $$These $$MODLIB/$$2; \
                echo Installing modules under $$MODLIB/$$2; \
        }; \
        \
        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 SCSI_MODULES  ]; then inst_mod SCSI_MODULES  scsi;  fi; \
        if [ -f FS_MODULES    ]; then inst_mod FS_MODULES    fs;    fi; \
        if [ -f CDROM_MODULES ]; then inst_mod CDROM_MODULES cdrom; fi; \
        \
        ls *.o > .allmods; \
        echo $$MODULES | tr ' ' '\n' | sort | comm -23 .allmods - > .misc; \
        if [ -s .misc ]; then inst_mod .misc misc; fi; \
        rm -f .misc .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
        rm -f core `find . -name '*.[oas]' ! -regex '.*lxdialog/.*' -print`
        rm -f core `find . -type f -name 'core' -print`
        rm -f core `find . -name '*.rh' -print`
        rm -f $(LINUX) System.map
        rm -f .tmp* drivers/sound/configure
        rm -fr modules/*
        rm -f submenu*

mrproper: clean
        rm -f include/linux/autoconf.h include/linux/version.h
        rm -f drivers/sound/local.h drivers/sound/.defines
        rm -f drivers/char/uni_hash.tbl drivers/char/conmakehash
        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 .menuconfig.log
        rm -f include/asm
        rm -f .depend `find . -name .depend -print`
        rm -f .hdepend scripts/mkdep
        rm -f $(TOPDIR)/include/linux/modversions.h
        rm -f $(TOPDIR)/include/linux/modules/*


distclean: mrproper
        rm -f core `find . \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
                -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
                -o -name '.*.rej' -o -name '.SUMS' -o -size 0 \) -print` TAGS

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

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

dep-files: scripts/mkdep archdep include/linux/version.h
        echo Platform $(PLATFORM) Board $(BOARD) Model $(MODEL)
        scripts/mkdep init/*.c > .tmpdepend
        scripts/mkdep `find $(FINDHPATH) -follow -name \*.h ! -name modversions.h -print` > .hdepend
        set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i fastdep; done
        mv .tmpdepend .depend

MODVERFILE :=

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

depend dep: dep-files $(MODVERFILE)

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