root/Makefile

/* */

VERSION = 1
PATCHLEVEL = 1
SUBLEVEL = 11

all:    Version zImage

.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)

#
# 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, CURRENT, /dev/xxxx or empty, in which case
# the default of FLOPPY is used by 'build'.
#

ROOT_DEV = CURRENT

#
# 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 -O2 -fomit-frame-pointer -pipe

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

ifdef CONFIG_M486
CFLAGS := $(CFLAGS) -m486
else
CFLAGS := $(CFLAGS) -m386
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
LDFLAGS =#-qmagic
HOSTCC  =gcc
CC      =gcc -D__KERNEL__ -I$(TOPDIR)/include
MAKE    =make
CPP     =$(CC) -E
AR      =ar
STRIP   =strip

ARCHIVES        =kernel/kernel.o mm/mm.o fs/fs.o net/net.o ipc/ipc.o
FILESYSTEMS     =fs/filesystems.a
DRIVERS         =drivers/block/block.a \
                 drivers/char/char.a \
                 drivers/net/net.a \
                 ibcs/ibcs.o
LIBS            =lib/lib.a
SUBDIRS         =kernel drivers mm fs net ipc ibcs lib

KERNELHDRS      =/usr/src/linux/include

ifdef CONFIG_SCSI
DRIVERS := $(DRIVERS) drivers/scsi/scsi.a
endif

ifdef CONFIG_SOUND
DRIVERS := $(DRIVERS) drivers/sound/sound.a
endif

ifdef CONFIG_MATH_EMULATION
DRIVERS := $(DRIVERS) drivers/FPU-emu/math.a
endif

.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

oldconfig:
        $(CONFIG_SHELL) Configure -d $(OPTS)

config:
        $(CONFIG_SHELL) Configure $(OPTS)

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

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

tools/version.h: $(CONFIGURE) Makefile
        @./makever.sh
        @echo \#define UTS_RELEASE \"$(VERSION).$(PATCHLEVEL).$(SUBLEVEL)\" > tools/version.h
        @echo \#define UTS_VERSION \"\#`cat .version` `date`\" >> 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
        @echo \#define LINUX_COMPILE_DOMAIN \"`domainname`\" >> tools/version.h

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

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

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

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) -Ttext 1000 boot/head.o init/main.o tools/version.o \
                $(ARCHIVES) \
                $(FILESYSTEMS) \
                $(DRIVERS) \
                $(LIBS) \
                -o tools/system
        nm tools/zSystem | grep -v '\(compiled\)\|\(\.o$$\)\|\( a \)' | \
                sort > System.map

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

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

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

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

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

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

zBoot/zSystem: zBoot/*.c zBoot/*.S tools/zSystem
        $(MAKE) -C zBoot

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
        if [ -f /vmlinuz ]; then mv /vmlinuz /vmlinuz.old; fi
        if [ -f /zSystem.map ]; then mv /zSystem.map /zSystem.old; fi
        cat zImage > /vmlinuz
        cp zSystem.map /
        if [ -x /sbin/lilo ]; then /sbin/lilo; else /etc/lilo/install; fi

tools/zSystem:  boot/head.o init/main.o tools/version.o linuxsubdirs
        $(LD) $(LDFLAGS) -Ttext 100000 boot/head.o init/main.o tools/version.o \
                $(ARCHIVES) \
                $(FILESYSTEMS) \
                $(DRIVERS) \
                $(LIBS) \
                -o tools/zSystem
        nm tools/zSystem | grep -v '\(compiled\)\|\(\.o$$\)\|\( a \)' | \
                sort > zSystem.map

fs: dummy
        $(MAKE) linuxsubdirs SUBDIRS=fs

lib: dummy
        $(MAKE) linuxsubdirs SUBDIRS=lib

mm: dummy
        $(MAKE) linuxsubdirs SUBDIRS=mm

ipc: dummy
        $(MAKE) linuxsubdirs SUBDIRS=ipc

kernel: dummy
        $(MAKE) linuxsubdirs SUBDIRS=kernel

drivers: dummy
        $(MAKE) linuxsubdirs SUBDIRS=drivers

net: dummy
        $(MAKE) linuxsubdirs SUBDIRS=net

clean:
        rm -f kernel/ksyms.lst
        rm -f core `find . -name '*.[oas]' -print`
        rm -f core `find . -name 'core' -print`
        rm -f zImage zSystem.map tools/zSystem tools/system
        rm -f Image System.map boot/bootsect boot/setup
        rm -f zBoot/zSystem zBoot/xtract zBoot/piggyback
        rm -f .tmp* drivers/sound/configure
        rm -f init/*.o tools/build boot/*.o tools/*.o

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

distclean: mrproper

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

depend dep:
        touch tools/version.h
        for i in init/*.c;do echo -n "init/";$(CPP) -M $$i;done > .tmpdepend
        for i in tools/*.c;do echo -n "tools/";$(CPP) -M $$i;done >> .tmpdepend
        set -e; for i in $(SUBDIRS); do $(MAKE) -C $$i dep; done
        rm -f tools/version.h
        mv .tmpdepend .depend

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)

else

dummy:

endif

#
# Leave these dummy entries for now to tell people that they are going away..
#
lilo:
        @echo
        @echo Uncompressed kernel images no longer supported. Use
        @echo \"make zlilo\" instead.
        @echo
        @exit 1

Image:
        @echo
        @echo Uncompressed kernel images no longer supported. Use
        @echo \"make zImage\" instead.
        @echo
        @exit 1

disk:
        @echo
        @echo Uncompressed kernel images no longer supported. Use
        @echo \"make zdisk\" instead.
        @echo
        @exit 1

/* */