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Re: Question (about building 2.6.8.1)


Kyle Unice wrote:
Here are the patches the most kind Alex sent [see below]:

It looks like some of those are already in crosstool: http://kegel.com/crosstool/crosstool-0.28-rc36/patches/linux-2.6.8/linux-2.6.8-noshared-kconfig.patch http://kegel.com/crosstool/crosstool-0.28-rc36/patches/linux-2.6.8/linux-2.6.8-build_on_case_insensitive_fs-1.patch

I think one of Martin's patches for osx was too intrusive and os/x
specific, so I didn't grab both of them.

I thought I had updated crosstool-howto.html with the libelf tip for cygwin,
but I guess I didn't, I'll do that.

I have previously posted my issues with 2.6.8.1.

Yes, and because I cc'd crossgcc, it's available on the web: http://sources.redhat.com/ml/crossgcc/2004-09/msg00042.html Did you try an older binutils as I suggested?

Just FYI I have started building ptxdist on cygwin and
run into a "file name too long" issue when building the root file system.  I
wonder if people use cygwin as much as I do :| .

Almost certainly not. Any reason you don't want to use Linux for this development? - Dan

Kyle

Hello Kyle,



I do not remember which specific patch takes care of that problem I so I
gonna give you solutions for all of them:



1) per http://sources.redhat.com/ml/crossgcc/2004-06/msg00282.html



Install patch from bertrand marquis <bertrand_marquis at yahoo dot fr>
listed there



--- linux-x86-2.6.7/scripts/kconfig/Makefile 2004-06-16 07:20:26.000000000
+0200
+++ linux-x86-2.6.7.cyg/linux-x86-2.6.7/scripts/kconfig/Makefile 2004-06-24
10:39:18.824400000 +0200
@@ -68,8 +68,8 @@
libkconfig-objs := zconf.tab.o

host-progs := conf mconf qconf gconf
-conf-objs := conf.o libkconfig.so
-mconf-objs := mconf.o libkconfig.so
+conf-objs := conf.o libkconfig.o
+mconf-objs := mconf.o zconf.tab.o


ifeq ($(MAKECMDGOALS),xconfig)
qconf-target := 1
@@ -89,11 +89,12 @@
endif


clean-files := libkconfig.so lkc_defs.h qconf.moc .tmp_qtcheck \
- .tmp_gtkcheck zconf.tab.c zconf.tab.h lex.zconf.c
+ .tmp_gtkcheck zconf.tab.c zconf.tab.h lex.zconf.c libkconfig.o


# generated files seem to need this to find local include files
HOSTCFLAGS_lex.zconf.o    := -I$(src)
HOSTCFLAGS_zconf.tab.o    := -I$(src)
+HOSTCFLAGS_libkconfig.o    := -I$(src)

HOSTLOADLIBES_qconf = -L$(QTLIBPATH) -Wl,-rpath,$(QTLIBPATH) -l$(QTLIB) -ldl
HOSTCXXFLAGS_qconf.o = -I$(QTDIR)/include
@@ -101,6 +102,9 @@
HOSTLOADLIBES_gconf = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --libs`
HOSTCFLAGS_gconf.o = `pkg-config gtk+-2.0 gmodule-2.0 libglade-2.0 --cflags`

+$(obj)/libkconfig.c: $(obj)/zconf.tab.c $(obj)/lex.zconf.c
+ cp $< $@
+
$(obj)/conf.o $(obj)/mconf.o $(obj)/qconf.o $(obj)/gconf.o:
$(obj)/zconf.tab.h

$(obj)/qconf.o: $(obj)/.tmp_qtcheck

2)download and install libelf package from:

http://www.gnu.org/directory/libs/misc/libelf.html

which provide <gelf.h>;

in /cygdrive/c/cygwin/usr/include you can then make an elf.h that just
contains

#include <gelf.h>

3) apply 2 patches from Martin Schaffner



http://mirror.vtx.ch/lfs/patches/downloads/linux/linux-2.6.7-build_on_case_i
nsensitive_fs-1.patch

http://mirror.vtx.ch/lfs/patches/downloads/linux/linux-2.6.7-build_on_osx-1.
patch

Hope this helps,

Regards,

Alex

-----Original Message-----
From: Kyle Unice [mailto:kyle@midnighttech.com]
Sent: Friday, September 10, 2004 10:40 PM
To: Alexander.Povolotsky@marconi.com
Subject: cygwin cross-compile of Linux


Alexander,




I am also trying to compile linux-2.6.8.1 on cygwin.  I get a lot of these
errors.  I saw your post and was wondering if you had a fix?



Thanks.

LD .tmp_vmlinux1

arm-softfloat-linux-gnu-ld: section __ksymtab [000c2d0c -> 000c66eb]
overlaps se

ction .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section __ksymtab_strings [000c66f0 -> 000cf6a7]
ove

rlaps section .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section .rodata [00001e18 -> 000043c7] overlaps
sect

ion .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section .rodata.str1.8 [000043c8 -> 000204bc]
overla

ps section .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section .init.ramfs [000204bd -> 00020542]
overlaps

section .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section __ex_table [00020548 -> 00020f37]
overlaps s

ection .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section .arch.info [00020f38 -> 00020f6f]
overlaps s

ection .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section __ksymtab_gpl [00020f70 -> 00021077]
overlap

s section .text [00000000 -> 00165eab]

arm-softfloat-linux-gnu-ld: section __param [00021078 -> 000212cf] overlaps
sect

ion .text [00000000 -> 00165eab]

arch/arm/kernel/head.o(.init.text+0x3c): In function `stext':

: undefined reference to `__bss_start'

arch/arm/kernel/head.o(.init.text+0x40): In function `stext':

: undefined reference to `_end'

arch/arm/kernel/head.o(.init.text+0x1a4): In function
`__lookup_processor_type':



: undefined reference to `__proc_info_end'

arch/arm/kernel/head.o(.init.text+0x1a8): In function
`__lookup_processor_type':



: undefined reference to `__proc_info_begin'

arch/arm/kernel/head.o(.init.text+0x1b0): In function
`__lookup_processor_type':



: undefined reference to `__arch_info_begin'

arch/arm/kernel/head.o(.init.text+0x1b4): In function
`__lookup_processor_type':



: undefined reference to `__arch_info_end'

init/built-in.o(.text+0x118): In function `unknown_bootoption':

init/main.c:167: undefined reference to `jiffies'

init/built-in.o(.text+0x2f0): In function `init':

init/main.c:414: undefined reference to `__initcall_start'

init/built-in.o(.text+0x2f4):init/main.c:414: undefined reference to
`__initcall

_end'

init/built-in.o(.init.text+0x23c):init/main.c:583: undefined reference to
`__set

up_start'

init/built-in.o(.init.text+0x240):init/main.c:583: undefined reference to
`__set

up_end'

init/built-in.o(.init.text+0x314):init/main.c:421: undefined reference to
`__set

up_start'

init/built-in.o(.init.text+0x318):init/main.c:421: undefined reference to
`__set

up_end'

init/built-in.o(.init.text+0x2414): In function `populate_rootfs':

init/initramfs.c:473: undefined reference to `__initramfs_start'

init/built-in.o(.init.text+0x2418):init/initramfs.c:473: undefined reference
to

`__initramfs_end'

arch/arm/kernel/built-in.o(.text+0xe58): In function `check_irq_lock':

arch/arm/kernel/irq.c:230: undefined reference to `jiffies'

arch/arm/kernel/built-in.o(.text+0x19a0): In function `probe_irq_on':

arch/arm/kernel/irq.c:788: undefined reference to `jiffies'

arch/arm/kernel/built-in.o(.text+0x48f4): In function `sched_clock':

arch/arm/kernel/time.c:80: undefined reference to `jiffies'

arch/arm/kernel/built-in.o(.text+0x4b64): In function `do_gettimeofday':

arch/arm/kernel/time.c:278: undefined reference to `jiffies'

arch/arm/kernel/built-in.o(.text+0x4d20): In function `do_settimeofday':

arch/arm/kernel/time.c:314: undefined reference to `jiffies'

arch/arm/kernel/built-in.o(.text+0x4e94): In function `timer_tick':

arch/arm/kernel/time.c:323: undefined reference to `_stext'

arch/arm/kernel/built-in.o(.init.text+0xf94): In function `setup_arch':

arch/arm/kernel/setup.c:738: undefined reference to `__proc_info_begin'

arch/arm/kernel/built-in.o(.init.text+0xf98):arch/arm/kernel/setup.c:738:
undefi

ned reference to `__proc_info_end'

arch/arm/kernel/built-in.o(.init.text+0xfe4):arch/arm/kernel/setup.c:738:
undefi

ned reference to `__arch_info_begin'

arch/arm/kernel/built-in.o(.init.text+0xfe8):arch/arm/kernel/setup.c:738:
undefi

ned reference to `__arch_info_end'

arch/arm/kernel/built-in.o(.init.text+0x1004):arch/arm/kernel/setup.c:738:
undef

ined reference to `__tagtable_begin'

arch/arm/kernel/built-in.o(.init.text+0x1008):arch/arm/kernel/setup.c:738:
undef

ined reference to `__tagtable_end'

arch/arm/kernel/built-in.o(.init.text+0x1014):arch/arm/kernel/setup.c:738:
undef

ined reference to `_text'

arch/arm/kernel/built-in.o(.init.text+0x101c):arch/arm/kernel/setup.c:738:
undef

ined reference to `_etext'

arch/arm/kernel/built-in.o(.init.text+0x1020):arch/arm/kernel/setup.c:738:
undef

ined reference to `_edata'

arch/arm/kernel/built-in.o(.init.text+0x1028):arch/arm/kernel/setup.c:738:
undef

ined reference to `_end'

arch/arm/kernel/built-in.o(.init.text+0x1030):arch/arm/kernel/setup.c:738:
undef

ined reference to `__early_begin'

arch/arm/kernel/built-in.o(.init.text+0x1034):arch/arm/kernel/setup.c:738:
undef

ined reference to `__early_end'

arch/arm/mm/built-in.o(.text+0x1250): In function `free_initmem':

arch/arm/mm/init.c:528: undefined reference to `__init_begin'

arch/arm/mm/built-in.o(.text+0x1254):arch/arm/mm/init.c:528: undefined
reference

to `__init_end'

arch/arm/mm/built-in.o(.init.text+0x59c): In function `bootmem_init':

arch/arm/mm/init.c:418: undefined reference to `_end'

arch/arm/mm/built-in.o(.init.text+0x5ac):arch/arm/mm/init.c:418: undefined
refer

ence to `_stext'

arch/arm/mm/built-in.o(.init.text+0x91c): In function `mem_init':

arch/arm/mm/init.c:586: undefined reference to `_etext'

arch/arm/mm/built-in.o(.init.text+0x928):arch/arm/mm/init.c:586: undefined
refer

ence to `_end'

arch/arm/mm/built-in.o(.init.text+0x92c):arch/arm/mm/init.c:586: undefined
refer

ence to `_text'

arch/arm/mm/built-in.o(.init.text+0x958):arch/arm/mm/init.c:586: undefined
refer

ence to `__init_begin'

arch/arm/mm/built-in.o(.init.text+0x95c):arch/arm/mm/init.c:586: undefined
refer

ence to `__init_end'

kernel/built-in.o(.text+0xca4): In function `scheduler_tick':

kernel/sched.c:2087: undefined reference to `jiffies'

kernel/built-in.o(.text+0x1a54): In function `in_sched_functions':

kernel/sched.c:3908: undefined reference to `__sched_text_start'

kernel/built-in.o(.text+0x1a58):kernel/sched.c:3908: undefined reference to
`__s

ched_text_end'

kernel/built-in.o(.text+0x43e8): In function `printk':

kernel/printk.c:576: undefined reference to `jiffies'

kernel/built-in.o(.text+0x4918): In function `__printk_ratelimit':

kernel/printk.c:883: undefined reference to `jiffies'

kernel/built-in.o(.text+0x69c4): In function `do_getitimer':

kernel/itimer.c:49: undefined reference to `jiffies'

kernel/built-in.o(.text+0x6a98): In function `it_real_fn':

include/linux/timer.h:87: undefined reference to `jiffies'

kernel/built-in.o(.text+0x6c40): In function `do_setitimer':

kernel/itimer.c:119: undefined reference to `jiffies'

kernel/built-in.o(.text+0xb298):kernel/timer.c:913: more undefined
references to

`jiffies' follow

kernel/built-in.o(.text+0x132e8): In function `core_kernel_text':

kernel/extable.c:53: undefined reference to `_stext'

kernel/built-in.o(.text+0x132ec):kernel/extable.c:53: undefined reference to
`_e

text'

kernel/built-in.o(.text+0x132f0):kernel/extable.c:53: undefined reference to
`_s

inittext'

kernel/built-in.o(.text+0x132f4):kernel/extable.c:53: undefined reference to
`_e

inittext'

kernel/built-in.o(.text+0x13fb8): In function `schedule_next_timer':

kernel/posix-timers.c:344: undefined reference to `jiffies'

kernel/built-in.o(.text+0x14854): In function `do_timer_gettime':

kernel/posix-timers.c:792: undefined reference to `jiffies'

kernel/built-in.o(.text+0x15834): In function `do_clock_nanosleep':

kernel/posix-timers.c:1535: undefined reference to `jiffies'

kernel/built-in.o(.text+0x198d0): In function `kallsyms_lookup':

kernel/kallsyms.c:112: undefined reference to `_stext'

kernel/built-in.o(.text+0x198d4):kernel/kallsyms.c:112: undefined reference
to `

_etext'

kernel/built-in.o(.text+0x198d8):kernel/kallsyms.c:112: undefined reference
to `

_sinittext'

kernel/built-in.o(.text+0x198dc):kernel/kallsyms.c:112: undefined reference
to `

_einittext'

kernel/built-in.o(.text+0x19a94): In function `get_ksymbol_core':

kernel/kallsyms.c:189: undefined reference to `_stext'

kernel/built-in.o(.text+0x19a98):kernel/kallsyms.c:189: undefined reference
to `

_etext'

kernel/built-in.o(.text+0x19a9c):kernel/kallsyms.c:189: undefined reference
to `

_sinittext'

kernel/built-in.o(.text+0x19aa0):kernel/kallsyms.c:189: undefined reference
to `

_einittext'

kernel/built-in.o(.sched.text+0x9bc): In function `usermodehelper_init':

kernel/kmod.c:278: undefined reference to `jiffies'

kernel/built-in.o(.sched.text+0xa9c): In function `pidhash_init':

kernel/pid.c:284: undefined reference to `jiffies'

kernel/built-in.o(.init.text+0x698): In function `profile_init':

kernel/profile.c:42: undefined reference to `_etext'

kernel/built-in.o(.init.text+0x69c):kernel/profile.c:42: undefined reference
to

`_stext'

kernel/built-in.o(__ksymtab+0x1e8): In function `proc_caches_init':

kernel/fork.c:1275: undefined reference to `jiffies'

mm/built-in.o(.text+0x3d58): In function `out_of_memory':

/usr/src/linux-2.6.8.1/mm/oom_kill.c:293: undefined reference to `jiffies'

mm/built-in.o(.text+0x5ec4): In function `wb_kupdate':

/usr/src/linux-2.6.8.1/mm/page-writeback.c:396: undefined reference to
`jiffies'



mm/built-in.o(.text+0x5f3c): In function
`dirty_writeback_centisecs_handler':

/usr/src/linux-2.6.8.1/mm/page-writeback.c:412: undefined reference to
`jiffies'



mm/built-in.o(.text+0x5f84): In function `wb_timer_fn':

/usr/src/linux-2.6.8.1/mm/page-writeback.c:417: undefined reference to
`jiffies'



mm/built-in.o(.text+0x5fec):/usr/src/linux-2.6.8.1/mm/page-writeback.c:437:
more

undefined references to `jiffies' follow

drivers/built-in.o(.init.text+0x23c): In function `read_kmem':

drivers/char/mem.c:230: undefined reference to `__con_initcall_start'

drivers/built-in.o(.init.text+0x240):drivers/char/mem.c:230: undefined
reference

to `__con_initcall_end'

drivers/built-in.o(.init.text+0xcec): In function `create_entropy_store':

drivers/char/random.c:543: undefined reference to `jiffies'

net/built-in.o(.text+0x7f90): In function `flow_cache_new_hashrnd':

include/linux/timer.h:87: undefined reference to `jiffies'

net/built-in.o(.text+0xa10c): In function `process_backlog':

net/core/dev.c:1911: undefined reference to `jiffies'

net/built-in.o(.text+0xa278): In function `net_rx_action':

net/core/dev.c:1953: undefined reference to `jiffies'

net/built-in.o(.text+0xb910): In function `netdev_run_todo':

include/asm/semaphore.h:129: undefined reference to `jiffies'

net/built-in.o(.text+0xd550):net/core/dst.c:165: more undefined references
to `j

iffies' follow

make: *** [.tmp_vmlinux1] Error 1
-----Original Message-----
From: Dan Kegel [mailto:dank@kegel.com] Sent: Sunday, September 19, 2004 8:34 AM
To: Kyle Unice; crossgcc
Subject: Re: Question (about building 2.6.8.1)


Kyle Unice wrote:

I use the rc36 tool and the demo-arm-softfloat.sh works fine. I then compiled the linux-2.6.6 and that built well under cygwin (with some patches from Alex Povolotsky). I then downloaded the linux-2.6.8.1 and tried building it in the same manner. I get unresolved externals which leads me to wonder.. Does the crosstool building require the same linux version headers in order to cross compile linux or can one build the crosstool with an earlier version of linux and then crosscompile a later version?


The kernel headers used when you built the toolchain don't matter
too much when building a kernel with that toolchain, if that's
what you're worried about.  So your 2.6.8.1 problem is probably
a kernel problem, not a toolchain problem.  You might post the
error message and see if anyone else is running into it.

Where did you get Alex's patches?  I imagine those were for the
ipt_ecn.c vs. ipt_ECN.c conflict.  I'd like to have  a copy.
- Dan




--
My technical stuff: http://kegel.com
My politics: see http://www.misleader.org for examples of why I'm for regime change

------
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