root/Makefile

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all:    Version Image

.EXPORT_ALL_VARIABLES:

#
# 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
else
CONFIGURATION = depend
endif
else
CONFIGURATION = config
endif

ifdef CONFIGURATION
CONFIGURE = dummy
endif

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

ROOT_DEV = /dev/hdb1

#
# uncomment the correct keyboard:
#
# The value of KBDFLAGS should be or'ed together from the following
# bits, depending on which features you want enabled.
#
# The least significant bits control if the following keys are "dead".
# The key is dead by default if the bit is on.
# 0x01 - backquote (`)
# 0x02 - accent acute
# 0x04 - circumflex (^)
# 0x08 - tilde (~)
# 0x10 - dieresis (umlaut)

KEYBOARD = -DKBD_FINNISH -DKBDFLAGS=0
# KEYBOARD = -DKBD_FINNISH_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_US -DKBDFLAGS=0
# KEYBOARD = -DKBD_GR -DKBDFLAGS=0
# KEYBOARD = -DKBD_GR_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_FR -DKBDFLAGS=0
# KEYBOARD = -DKBD_FR_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_UK -DKBDFLAGS=0
# KEYBOARD = -DKBD_DK -DKBDFLAGS=0
# KEYBOARD = -DKBD_DK_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_DVORAK -DKBDFLAGS=0
# KEYBOARD = -DKBD_SG -DKBDFLAGS=0
# KEYBOARD = -DKBD_SG_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_SF -DKBDFLAGS=0
# KEYBOARD = -DKBD_SF_LATIN1 -DKBDFLAGS=0x9F
# KEYBOARD = -DKBD_NO -DKBDFLAGS=0

#
# 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=1

#
# standard CFLAGS
#

CFLAGS = -Wall -Wstrict-prototypes -O6 -fomit-frame-pointer

ifdef CONFIG_M486
CFLAGS := $(CFLAGS) -m486
endif

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

#RAMDISK = -DRAMDISK=512

AS86    =as86 -0 -a
LD86    =ld86 -0

AS      =as
LD      =ld
HOSTCC  =gcc
CC      =gcc -DKERNEL
MAKE    =make
CPP     =$(CC) -E
AR      =ar
STRIP   =strip

ARCHIVES        =kernel/kernel.o mm/mm.o fs/fs.o net/net.o
FILESYSTEMS     =fs/filesystems.a
DRIVERS         =kernel/blk_drv/blk_drv.a kernel/chr_drv/chr_drv.a \
                 kernel/blk_drv/scsi/scsi.a kernel/chr_drv/sound/sound.a
MATH            =kernel/FPU-emu/math.a
LIBS            =lib/lib.a
SUBDIRS         =kernel mm fs net lib

KERNELHDRS      =/usr/src/linux/include

.c.s:
        $(CC) $(CFLAGS) -S -o $*.s $<
.s.o:
        $(AS) -c -o $*.o $<
.c.o:
        $(CC) $(CFLAGS) -c -o $*.o $<

Version: dummy
        rm -f tools/version.h

lilo: $(CONFIGURE) Image
        if [ -f /vmlinux ]; then mv /vmlinux /vmlinux.old; fi
        cat Image > /vmlinux
        /etc/lilo/install

config:
        sh Configure < config.in
        mv .config~ .config
        $(MAKE) soundconf

soundconf:
        cd kernel/chr_drv/sound;$(MAKE) config

linuxsubdirs: dummy
        @for i in $(SUBDIRS); do (cd $$i && echo $$i && $(MAKE)) || exit; done

tools/./version.h: tools/version.h

tools/version.h: $(CONFIGURE) Makefile
        @./makever.sh
        @echo \#define UTS_RELEASE \"0.99.pl7-`cat .version`\" > tools/version.h
        @echo \#define UTS_VERSION \"`date +%D`\" >> tools/version.h
        @echo \#define LINUX_COMPILE_TIME \"`date +%T`\" >> tools/version.h
        @echo \#define LINUX_COMPILE_BY \"`whoami`\" >> tools/version.h
        @echo \#define LINUX_COMPILE_HOST \"`hostname`\" >> tools/version.h

Image: $(CONFIGURE) boot/bootsect boot/setup tools/system tools/build
        tools/build boot/bootsect boot/setup tools/system $(ROOT_DEV) > Image
        sync

disk: Image
        dd bs=8192 if=Image of=/dev/fd0

tools/build: $(CONFIGURE) tools/build.c
        $(HOSTCC) $(CFLAGS) \
        -o tools/build tools/build.c

boot/head.o: $(CONFIGURE) boot/head.s

boot/head.s: $(CONFIGURE) boot/head.S include/linux/tasks.h
        $(CPP) -traditional boot/head.S -o boot/head.s

tools/version.o: tools/version.c tools/version.h

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

tools/system:   boot/head.o init/main.o tools/version.o linuxsubdirs
        $(LD) $(LDFLAGS) -M boot/head.o init/main.o tools/version.o \
                $(ARCHIVES) \
                $(FILESYSTEMS) \
                $(DRIVERS) \
                $(MATH) \
                $(LIBS) \
                -o tools/system > System.map

boot/setup: boot/setup.s
        $(AS86) -o boot/setup.o boot/setup.s
        $(LD86) -s -o boot/setup boot/setup.o

boot/setup.s: $(CONFIGURE) boot/setup.S include/linux/config.h Makefile
        $(CPP) -traditional $(SVGA_MODE) $(RAMDISK) boot/setup.S -o boot/setup.s

boot/bootsect.s: $(CONFIGURE) boot/bootsect.S include/linux/config.h Makefile
        $(CPP) -traditional $(SVGA_MODE) $(RAMDISK) boot/bootsect.S -o boot/bootsect.s

boot/bootsect:  boot/bootsect.s
        $(AS86) -o boot/bootsect.o boot/bootsect.s
        $(LD86) -s -o boot/bootsect boot/bootsect.o

zBoot/zSystem: zBoot/*.c zBoot/*.S tools/zSystem
        cd zBoot;$(MAKE)

zImage: $(CONFIGURE) boot/bootsect boot/setup zBoot/zSystem tools/build
        tools/build boot/bootsect boot/setup zBoot/zSystem $(ROOT_DEV) > zImage
        sync

zdisk: zImage
        dd bs=8192 if=zImage of=/dev/fd0

zlilo: $(CONFIGURE) zImage
        cat zImage > /vmlinuz
        /etc/lilo/install


tools/zSystem:  boot/head.o init/main.o tools/version.o linuxsubdirs
        $(LD) $(LDFLAGS) -T 100000 -M boot/head.o init/main.o tools/version.o \
                $(ARCHIVES) \
                $(FILESYSTEMS) \
                $(DRIVERS) \
                $(MATH) \
                $(LIBS) \
                -o tools/zSystem > zSystem.map

fs: dummy
        $(MAKE) linuxsubdirs SUBDIRS=fs

mm: dummy
        $(MAKE) linuxsubdirs SUBDIRS=mm

kernel: dummy
        $(MAKE) linuxsubdirs SUBDIRS=kernel

clean:
        rm -f zImage zSystem.map tools/zSystem
        rm -f Image System.map core boot/bootsect boot/setup \
                boot/bootsect.s boot/setup.s boot/head.s init/main.s
        rm -f init/*.o tools/system tools/build boot/*.o tools/*.o
        for i in zBoot $(SUBDIRS); do (cd $$i && $(MAKE) clean); done

mrproper: clean
        rm -f include/linux/autoconf.h tools/version.h
        rm -f .version .config*
        rm -f `find . -name .depend -print`

backup: clean
        cd .. && tar cf - linux | gzip -9 > backup.z
        sync

depend dep:
        touch tools/version.h
        for i in init/*.c;do echo -n "init/";$(CPP) -M $$i;done > .depend~
        for i in tools/*.c;do echo -n "tools/";$(CPP) -M $$i;done >> .depend~
        for i in $(SUBDIRS); do (cd $$i && $(MAKE) dep) || exit; done
        rm -f tools/version.h
        mv .depend~ .depend

ifdef CONFIGURATION
..$(CONFIGURATION):
        @echo
        @echo "You have no" .$(CONFIGURATION) ": running 'make" $(CONFIGURATION)"'"
        @echo
        $(MAKE) $(CONFIGURATION)
        @echo
        @echo "Successful. Try re-making (ignore the error that follows)"
        @echo
        exit 1

dummy: ..$(CONFIGURATION)

else

dummy:

endif
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