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SubjectRe: How to check the kernel compile options ?
From
The following is my original post on "make appendage" and some other
goodies you'll find in cLIeNUX, assuming you can find cLIeNUX. Perhaps it
would have recieved more play at the time if the subject line had been

make state relink Linux appendage

The real reason I repeat posts like this though is I look at them later
and *I* can't readily see what I'm talking about. Oops.

make state snags the state of the shell and make environment for the
build. You need a hook in the makefile to get it.

Make relink allows a quick rebuild after one small source file edit
somewhere by zapping all the per-dir lib.o's and other rebuild snaggers.

make Linux saves newbies (We are all newbies) from having the
arch/bla/compressed/actual.img "learning" experience and not trying to
boot vmlinuz.

make appendage is the part that this thread resembles.

Other cLIeNUXisms are the 2-line Bash prompt, here in tawdry monochrome,
and the DISTRO shell variable.


make state ; make relink ; make Linux ; make appendage

From: Rick Hohensee ([1]humbubba@smarty.smart.net)
Date: Mon Apr 10 2000 - 01:00:10 EST

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_________________________________________________________________

cd linux

The next 2 lines are an occurance of my Bash prompt...
:; cLIeNUX0 /dev/tty4 r 20:08:30 /source/core/KERNEL/linux
:;<cursor here>

step-wise demo. Elapsed times per $PS1 are not quite realistic.
..................................................................
:; cLIeNUX0 /dev/tty4 r 20:08:30 /source/core/KERNEL/linux
:;make state
set > .make_state
:; cLIeNUX0 /dev/tty4 r 20:10:39 /source/core/KERNEL/linux
:;cat .make_state
AR=ar
ARCH=i386
AS=as
AWKPATH=/source/script/awk
BASH=/.bi/sh
BASH_VERSINFO=([0]="2" [1]="02" [2]="0" [3]="1" [4]="release"
[5]="i4<snip>
BASH_VERSION='2.02.0(1)-release'
CC='gcc -D__KERNEL__ -I/source/core/KERNEL/linux/include'
CFLAGS='-Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -pipe
-fno-s<snip>
CFLAGS_NSR=-fno-strength-reduce
CFLAGS_PIPE=-pipe
COMPILER_PATH='~:/.roo/command:/.bi:/.sbi:/.bi/unix/:.:/.bi/background
/C/'
CONFIG_1GB=y
CONFIG_M386=y
CONFIG_SHELL=/.bi/sh
CORE_FILES='arch/i386/kernel/kernel.o arch/i386/mm/mm.o
kernel/kerne<snip>
fs/fs.o ipc/ipc.o'
CPP='gcc -D__KERNEL__ -I/source/core/KERNEL/linux/include -E'
CROSS_COMPILE=
C_INCLUDE_PATH=/.bi/background/C/include:/source/C/include/:/suit<snip
>
DIRSTACK=()
DISTRO=cLIeNUX
<snip>

:; cLIeNUX0 /dev/tty4 r 20:10:39 /source/core/KERNEL/linux
:;make relink

rm -v /source/core/KERNEL/linux/arch/i386/boot/bzImage
/source/core/KERNEL/linux/arch/i386/boot/zImage
/source/core/KERNEL/linux/vmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux.out
/source/core/KERNEL/linux/arch/i386/boot/compressed/piggy.o
/source/core/KERNEL/linux/Linux arch/i386/kernel/kernel.o
arch/i386/mm/mm.o kernel/kernel.o mm/mm.o fs/fs.o ipc/ipc.o
fs/filesystems.a net/network.a \
drivers/block/block.a drivers/char/char.a drivers/misc/misc.a
drivers/net/net.a /source/core/KERNEL/linux/arch/i386/lib/lib.a
/source/core/KERNEL/linux/lib/lib.a
/source/core/KERNEL/linux/arch/i386/lib/lib.a
/source/core/KERNEL/linux/arch/i386/boot/bzImage
/source/core/KERNEL/linux/arch/i386/boot/zImage
/source/core/KERNEL/linux/vmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux.out
/source/core/KERNEL/linux/arch/i386/boot/compressed/piggy.o
/source/core/KERNEL/linux/Linux
rm: /source/core/KERNEL/linux/arch/i386/boot/bzImage: No such file or
directory
rm: /source/core/KERNEL/linux/arch/i386/boot/zImage: No such file or
directory
/source/core/KERNEL/linux/vmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux
/source/core/KERNEL/linux/arch/i386/boot/compressed/bvmlinux.out
/source/core/KERNEL/linux/arch/i386/boot/compressed/piggy.o
/source/core/KERNEL/linux/Linux
arch/i386/kernel/kernel.o
arch/i386/mm/mm.o
kernel/kernel.o
mm/mm.o
fs/fs.o
ipc/ipc.o
fs/filesystems.a
net/network.a
drivers/block/block.a
drivers/char/char.a
drivers/misc/misc.a
drivers/net/net.a
/source/core/KERNEL/linux/arch/i386/lib/lib.a
/source/core/KERNEL/linux/lib/lib.a
make: [relink] Error 1 (ignored)
:; cLIeNUX0 /dev/tty4 r 20:10:39 /source/core/KERNEL/linux
:;make Linux
make -C kernel
make[1]: Entering directory `/source/core/KERNEL/linux/kernel'
make all_targets
make[2]: Entering directory `/source/core/KERNEL/linux/kernel'
rm -f kernel.o
ld -m elf_i386 -r -o kernel.o signal.o sched.o dma.o fork.o exe<snip>
make[2]: Leaving directory `/source/core/KERNEL/linux/kernel'
make[1]: Leaving directory `/source/core/KERNEL/linux/kernel'
make -C drivers
make[1]: Entering directory `/source/core/KERNEL/linux/drivers'
make -C block
make[2]: Entering directory `/source/core/KERNEL/linux/drivers/block'
make all_targets
make[3]: Entering directory `/source/core/KERNEL/linux/drivers/block'
rm -f block.a
ar rcs block.a ll_rw_blk.o genhd.o
make[3]: Leaving directory `/source/core/KERNEL/linux/drivers/block'

< ... much more re-linking and no actual compiling snipped...>

Root device is (8, 1)
Boot sector 512 bytes.
Setup is 1288 bytes.
System is 154 kB
make[1]: Leaving directory `/source/core/KERNEL/linux/arch/i386/boot'
mv /source/core/KERNEL/linux/arch/i386/boot/bzImage
/source/core/<snip>
:; cLIeNUX0 /dev/tty4 r 20:20:19 /source/core/KERNEL/linux
:;make appendage
set > .make_state
echo -e "\n\nCONFIG_>> .config appendage..." >> /source/c
grep -v "^#" /source/core/KERNEL/linux/.config >> /source/core/K<snip>
echo -e "\nCONFIG_>> .make_state appendage..." >>
/source/core/KERNE<snip>
cat /source/core/KERNEL/linux/.make_state >>
/source/core/KERNEL/linux/Linux
:; cLIeNUX0 /dev/tty4 r 20:22:09 /source/core/KERNEL/linux
:;grep CONFIG Linux
Binary file Linux matches
:; cLIeNUX0 /dev/tty4 r 20:22:25 /source/core/KERNEL/linux
:;grep -a CONFIG Linux
CONFIG_>> .config appendage...
CONFIG_M386=y
CONFIG_1GB=y
CONFIG_>> .make_state appendage...
CONFIG_1GB=y
CONFIG_M386=y
CONFIG_SHELL=/.bi/sh
:; cLIeNUX0 /dev/tty4 r 20:22:32 /source/core/KERNEL/linux
:;
....................................................................

caused by...
in linux/Makefile...
..................................................
relink:
-rm -v $(IMAGES) $(CORE_FILES) $(FILESYSTEMS) $(NETWORKS) \
$(DRIVERS) $(LIBS)

state:
set > .make_state

................................................................
In linux/arch/i386/Makefile...

................................................

IMAGES =$(TOPDIR)/arch/$(ARCH)/boot/bzImage \
$(TOPDIR)/arch/$(ARCH)/boot/zImage \
$(TOPDIR)/vmlinux \
$(TOPDIR)/arch/$(ARCH)/boot/compressed/bvmlinux \
$(TOPDIR)/arch/$(ARCH)/boot/compressed/bvmlinux.out \
$(TOPDIR)/arch/$(ARCH)/boot/compressed/piggy.o \
$(TOPDIR)/Linux

Linux: bzImage
mv $(TOPDIR)/arch/$(ARCH)/boot/bzImage $(TOPDIR)/Linux

append appendage: state
-echo -e "\n\nCONFIG_>> .config appendage..." >>
$(TOPDIR)/Linux
-grep -v "^#" $(TOPDIR)/.config >> $(TOPDIR)/Linux
-echo -e "\nCONFIG_>> .make_state appendage..." >>
$(TOPDIR)/Linux
-cat $(TOPDIR)/.make_state >> $(TOPDIR)/Linux

......................................................................
.

I wasn't going to bother with make targets for these, not being real
fond
of make anyway, until I saw that the variables in the relink: target
except for IMAGES already exist.

Cordially,

Rick Hohensee

r

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