[yocto] toolchain with big symbolic links?

João Henrique Freitas joaohf at gmail.com
Wed Nov 24 06:52:21 PST 2010 

Thanks,

I will try.

2010/11/24 Mark Hatle <mark.hatle at windriver.com>:
> I've seen issues in the past where long symlinks have caused problems.  It's
> either a length limitation in the filesystem or Linux itself.  I never bothered
> to track it down.
>
> The way I resolved it was to switch from absolute links to relative.. but I'm
> not sure that is possible in the first example below.. but the subsequent ones
> it likely is.
>
> If you have a simple way to reproduce it (i.e. configuration files, etc) please
> open a bug on the bugzilla.yoctoproject.org and include the filesystem type,
> host system type and the configuration or steps you used to reproduce this.  (Or
> alternatively if you come up with a solution -- a patch set..)
>
> --Mark
>
> On 11/23/10 7:09 PM, João Henrique Freitas wrote:
>> Hi,
>>
>> I am using yocto 0.9 release and trying to generate my own meta-toolchain.
>>
>> With toolchain from yocto:
>>
>> joaohf at joaohf-desktop:~/Downloads$ ls
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/libexec/armv5te-poky-linux-gnueabi/gcc/arm-poky-linux-gnueabi/4.5.0/
>> -l
>> total 30920
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 ar ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-ar
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 as ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-as
>> -rwxr-xr-x 1 1006 users 10387701 2010-10-24 20:53 cc1
>> -rwxr-xr-x 1 1006 users 11216826 2010-10-24 20:53 cc1plus
>> -rwxr-xr-x 1 1006 users   157274 2010-10-24 20:53 collect2
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 cpp ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-cp
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 g77 ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-g7
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 gcc ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-gc
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 gfortran ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-gf
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 ld ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-ld
>> -rwxr-xr-x 1 1006 users  9803466 2010-10-24 20:53 lto1
>> -rwxr-xr-x 1 1006 users    36707 2010-10-24 20:53 lto-wrapper
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 nm ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-nm
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 objcopy ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-ob
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 objdump ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-ob
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 ranlib ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-ra
>> lrwxrwxrwx 1 1006 users      100 2010-11-23 21:18 strip ->
>> /opt/poky/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-poky-linux-gnueabi/arm-poky-linux-gnueabi-st
>>
>>
>> Same broken symbolic links.
>>
>> So, I start my own toolchain....
>>
>> Don't work, TARGET_VENDOR = "-tropico"
>>
>> joaohf at joaohf-desktop:/opt/via/sysroots/x86_64-pokysdk-linux/usr/libexec/armv5te-tropico-linux-gnueabi/gcc/arm-tropico-linux-gnueabi/4.5.0$
>> ls -l
>> total 30904
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 as ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> -rwxr-xr-x 1 joaohf joaohf 10383493 2010-11-23 19:57 cc1
>> -rwxr-xr-x 1 joaohf joaohf 11212618 2010-11-23 19:57 cc1plus
>> -rwxr-xr-x 1 joaohf joaohf   157274 2010-11-23 19:57 collect2
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 cpp ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 g77 ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 gcc ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 gfortran ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 ld ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> -rwxr-xr-x 1 joaohf joaohf  9798490 2010-11-23 19:57 lto1
>> -rwxr-xr-x 1 joaohf joaohf    36707 2010-11-23 19:57 lto-wrapper
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 nm ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 objcopy ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 objdump ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 ranlib ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 21:04 strip ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tropico-linux-gnueabi/arm-tropico-linux-gnuea
>>
>>
>> Works, TARGET_VENDOR = "-tp"
>>
>> joaohf at joaohf-desktop:/opt/via/sysroots$ ls
>> x86_64-pokysdk-linux/usr/libexec/armv5te-tp-linux-gnueabi/gcc/arm-tp-linux-gnueabi/4.5.0/
>> -l
>> total 30896
>> lrwxrwxrwx 1 joaohf joaohf       95 2010-11-23 23:00 ar ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-ar
>> lrwxrwxrwx 1 joaohf joaohf       95 2010-11-23 23:00 as ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-as
>> -rwxr-xr-x 1 joaohf joaohf 10380613 2010-11-23 22:56 cc1
>> -rwxr-xr-x 1 joaohf joaohf 11209354 2010-11-23 22:56 cc1plus
>> -rwxr-xr-x 1 joaohf joaohf   157274 2010-11-23 22:56 collect2
>> lrwxrwxrwx 1 joaohf joaohf       96 2010-11-23 23:00 cpp ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-cpp
>> lrwxrwxrwx 1 joaohf joaohf       96 2010-11-23 23:00 g77 ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-g77
>> lrwxrwxrwx 1 joaohf joaohf       96 2010-11-23 23:00 gcc ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-gcc
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 23:00 gfortran ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-gfortra
>> lrwxrwxrwx 1 joaohf joaohf       95 2010-11-23 23:00 ld ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-ld
>> -rwxr-xr-x 1 joaohf joaohf  9797242 2010-11-23 22:56 lto1
>> -rwxr-xr-x 1 joaohf joaohf    36707 2010-11-23 22:56 lto-wrapper
>> lrwxrwxrwx 1 joaohf joaohf       95 2010-11-23 23:00 nm ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-nm
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 23:00 objcopy ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-objcopy
>> lrwxrwxrwx 1 joaohf joaohf      100 2010-11-23 23:00 objdump ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-objdump
>> lrwxrwxrwx 1 joaohf joaohf       99 2010-11-23 23:00 ranlib ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-ranlib
>> lrwxrwxrwx 1 joaohf joaohf       98 2010-11-23 23:00 strip ->
>> /opt/via/sysroots/x86_64-pokysdk-linux/usr/bin/armv5te-tp-linux-gnueabi/arm-tp-linux-gnueabi-strip
>>
>>
>>
>> But g77 and gfortran is broken.
>>
>>
>> Is any issue with symbolic link? I am using ubuntu 10.04 and ext4 filesystem.
>>
>> Thanks.
>>
>>
>
>



-- 
-----------------------------------------------------------
João Henrique Freitas - joaohf_at_gmail.com
Campinas-SP-Brasil
BSD051283
LPI 1
http://www.joaohfreitas.eti.br

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