[cfe-dev] Another Linker error with clang++

Thu Sep 15 10:06:56 PDT 2011

Without asserts.
clang now takes

real    4m53.073s
user    4m1.323s
sys    0m40.077s
which is faster than g++
but still the memory foot print is more now with 238 MB

On Thu, Sep 15, 2011 at 6:43 PM, Devchandra L Meetei <dlmeetei at gmail.com>wrote:

> Thanks Daniel
> Let me try that and update on the same
>
> --Dev
>
>
> On Thu, Sep 15, 2011 at 6:27 PM, Jean-Daniel Dupas <devlists at shadowlab.org
> > wrote:
>
>>
>> Le 15 sept. 2011 à 14:26, Devchandra L Meetei a écrit :
>>
>> Downloaded the latest  code base from svn and did make
>> -ENABLED_OPTIMISED=1
>> The resultant binary compiles and linked perfectly
>> However,
>> very preliminary comparison results with time command
>> -------------------
>> clang++
>> real    5m44.626s
>> user    4m54.984s
>> sys     0m42.463s
>> ----------------------
>> g++
>> real    5m16.298s
>> user    4m10.836s
>> sys     0m47.825s
>>
>>
>> You should also disable assertions to get an optimal release build.
>>
>> ./configure --enable-optimized --disable-assertions
>>
>> The resultant binaries of my project with clang is 319 MB and whereas g++
>> one is 302 MB
>>
>>
>>
>>
>>
>> On Wed, Sep 14, 2011 at 11:17 PM, Douglas Gregor <dgregor at apple.com>wrote:
>>
>>>
>>>
>>> Sent from my iPhone
>>>
>>> On Sep 14, 2011, at 10:31 AM, Devchandra L Meetei <dlmeetei at gmail.com>
>>> wrote:
>>>
>>> I use the binary one(precompiled version 2.9) found at
>>> http://llvm.org/releases/ for X86_64. Now I am compiling the released
>>> version 2.9 from the same site
>>>
>>>
>>> That won't help. Clang 2.9 is ancient in Clang-time; I'm suggesting that
>>> you get the latest development version of Clang from Subversion.
>>>
>>> On Wed, Sep 14, 2011 at 10:52 PM, Douglas Gregor <dgregor at apple.com>wrote:
>>>
>>>>
>>>> On Sep 14, 2011, at 10:02 AM, Devchandra L Meetei wrote:
>>>>
>>>>
>>>> I was trying with 2.9 release. linker problem persists
>>>>
>>>>
>>>> Are you saying that you compiled the latest Clang from Subversion, and
>>>> the problem still remains? If so, please file a bug with preprocessed
>>>> sources so we can reproduce the problem.
>>>>
>>>>   - Doug
>>>>
>>>> --Dev
>>>> On Wed, Sep 14, 2011 at 9:42 PM, Devchandra L Meetei <
>>>> dlmeetei at gmail.com> wrote:
>>>>
>>>>> Sure Douglas, Let me try and update on that
>>>>> ---Dev
>>>>>
>>>>>
>>>>> On Wed, Sep 14, 2011 at 8:25 PM, Douglas Gregor <dgregor at apple.com>wrote:
>>>>>
>>>>>>
>>>>>> On Sep 14, 2011, at 2:29 AM, Devchandra L Meetei wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>> history |grep export gave this and error message are below
>>>>>>> export
>>>>>>> CC=/home/deleisha/Downloads/clang+llvm-2.9-x86_64-linux.tar/bin/clang
>>>>>>> export
>>>>>>> CXX=/home/deleisha/Downloads/clang+llvm-2.9-x86_64-linux.tar/bin/clang++
>>>>>>>
>>>>>>>
>>>>>>> Er, what are the error messages?
>>>>>>>
>>>>>>
>>>>>> /home/deleisha/CodeSpace/pegasus/pkg/obj/Pegasus/General/MofWriter.o:
>>>>>> In function `Pegasus::MofWriter::appendValueElement(Pegasus::Buffer&,
>>>>>> Pegasus::CIMValue const&)':
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:387:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMObject>::Array()'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:389:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMObject>::getData() const'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:389:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMObject>::size() const'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:391:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMObject>::~Array()'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:391:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMObject>::~Array()'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:394:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMInstance>::Array()'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:396:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMInstance>::getData()
>>>>>> const'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:396:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMInstance>::size() const'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:398:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMInstance>::~Array()'
>>>>>> /home/deleisha/CodeSpace/pegasus/src/Pegasus/General/MofWriter.cpp:398:
>>>>>> undefined reference to `Pegasus::Array<Pegasus::CIMInstance>::~Array()'
>>>>>> /usr/bin/ld:
>>>>>> /home/deleisha/CodeSpace/pegasus/pkg/lib/libpeggeneral.so.1: hidden symbol
>>>>>> `_ZN7Pegasus5ArrayINS_9CIMObjectEEixEj' isn't defined
>>>>>> /usr/bin/ld: final link failed: Nonrepresentable section on output
>>>>>> clang: error: linker command failed with exit code 1 (use -v to see
>>>>>> invocation)
>>>>>> make[3]: ***
>>>>>> [/home/deleisha/CodeSpace/pegasus/pkg/lib/libpeggeneral.so.1] Error 1
>>>>>> make[3]: Leaving directory
>>>>>> `/home/deleisha/CodeSpace/pegasus/src/Pegasus/General'
>>>>>> make[2]: *** [all] Error 2
>>>>>> make[2]: Leaving directory
>>>>>> `/home/deleisha/CodeSpace/pegasus/src/Pegasus'
>>>>>> make[1]: *** [all] Error 2
>>>>>> make[1]: Leaving directory `/home/deleisha/CodeSpace/pegasus/src'
>>>>>> make: *** [all] Error 2
>>>>>>
>>>>>>
>>>>>> Clang's handling of visibility has improved greatly since Clang 2.9.
>>>>>> Please try the latest Clang trunk and see if that works for you.
>>>>>>
>>>>>> - Doug
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>
>> _______________________________________________
>> cfe-dev mailing list
>> cfe-dev at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>>
>>
>>  -- Jean-Daniel
>>
>>
>>
>>
>>
>
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