Re: [Ltib] Ubuntu 11.10 install issues (was Re: LTIB build error: lkc package build errors with unresolved symbols)

[Mike Goins]

On Tue, Nov 1, 2011 at 1:19 PM, Stuart Hughes <address@hidden> wrote:
> Hi Andrew,
>
> Good catch, that looks like the issue.  I'll poke around in lkc and see if I
> can move -lncurses to the right place.


Can you stomp over it with something like?
CFLAGS="$CFLAGS -Wl,--no-as-needed"


Though this may not guarantee that --no-as-needed would be later in
the arg list than --as-needed.


> Regards, Stuart
>
> On 01/11/11 14:49, Andrew Craig wrote:
>>
>> I am getting the same errors here in 11.10 as well.  After a bit of
>> looking around perhaps this explains the cause?
>>
>> http://ubuntuforums.org/archive/index.php/t-1833136.html
>>
>> Quote:
>> "just for future reference as this is a common problem:
>>
>> oneiric uses the linker flag --as-needed by default. With this flag
>> correct ordering of libraries and objects on the commandline is important.
>> objects needing symbols must be placed before libraries providing them.
>> E.g. file.o and staticlib.a need symbols from libm:
>> wrong:
>> gcc -lm file.o staticlib.a
>> gcc will think libm is not needed and drops it, when it later encounters
>> the objects needing it you will get undefined references
>> right:
>> gcc file.o staticlib.a -lm
>>
>> Important for autotools makefiles. Place libraries into LIBS or LDADD
>> variables, not in LDFLAGS"
>>
>> So moving where -lncurses is in the command might fix the problem?
>>
>> -------------
>> Andrew
>>
>> On 31/10/2011 6:48 PM, Stuart Hughes wrote:
>>>
>>> Hi Guys,
>>>
>>> I've checked-in a fix for the --force-debian flag.  It seems to be
>>> something they put in for a while and removed later (but using it as a
>>> test does not return an error, sigh).
>>>
>>> As far as the lkc missing symbol errors go, I can repeat this too, but
>>> have not yet had time to look at (and likely won't have time for several
>>> days).  If anyone else has time to dig into this I'd appreciate it.
>>>
>>> Regards, Stuart
>>>
>>> On 31/10/11 09:37, Stuart Hughes wrote:
>>>>
>>>> Hi Guys,
>>>>
>>>> I've installed 11.10 and I'm looking into this on the train this evening
>>>> while commuting.  I'll let you know what I find.
>>>>
>>>> Regards, Stuart
>>>>
>>>> On 30/10/11 20:12, Fritz Mueller wrote:
>>>>>
>>>>> I am seeing exactly the same thing on Ubuntu 11.10, but haven't had a
>>>>> chance to investigate.  The failing gcc line includes "-lncurses", and
>>>>> a readelf on /usr/lib/libncurses.a shows defs for the unresolved
>>>>> symbols.  Haven't had time to investigate it further than that yet.
>>>>>
>>>>> There is some evidence of this having happened to folks on previous
>>>>> releases of Ubuntu, also; a google turned up, for
>>>>> example
>>>>> http://www.linuxquestions.org/questions/linux-software-2/failure-to-install-ltib-on-jaunty-jackalope-9-04-a-771464/
>>>>>
>>>>> I also ran into the rpmdb --force-debian problem under Ubuntu that was
>>>>> reported here previously.  It's strange that the script explicitly
>>>>> checks for this, but still falls over (I hardwired the test to fail in
>>>>> the script to work around it temporarily, then ran into the lkc/curses
>>>>> problem.)
>>>>>
>>>>> cheers,
>>>>>   --FritzM.
>>>>>
>>>>> On Oct 30, 2011, at 8:27 AM, Stuart Hughes wrote:
>>>>>
>>>>>> Hi Nagesh,
>>>>>>
>>>>>> I've not seen this before, what host platform are you on?
>>>>>>
>>>>>> Regards, Stuart
>>>>>>
>>>>>> On 30/10/11 06:09, Nagesh A wrote:
>>>>>>>
>>>>>>> Hi all,
>>>>>>> I am new to ltib and trying to configure LTIB for the first time.
>>>>>>> I am facing below error.
>>>>>>>
>>>>>>> It seems that the errors are because of "unresolved symbols" while
>>>>>>> linking lkc build.
>>>>>>>
>>>>>>> Please find attached host_config.log.
>>>>>>>
>>>>>>> regards,
>>>>>>> -Nagesh A
>>>>>>>
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