[LLVMdev] llvm-g++ does not work!

[Duncan Sands]

Hi Gordan,

On 02/10/12 20:15, Gordon Keiser wrote:
> The issue here (even if you get dragonegg working) is that the thing that most newer linuxes install when you apt-get llvm-gcc isn't actually llvm-gcc, it's gcc with the dragonegg plugin.   Even if the plugin issues are sorted out, the "fake" llvm-gcc doesn't support -emit-llvm so this wouldn't work.

you can use -flto instead of -emit-llvm, but then you have to use -S rather than
-c.

Ciao, Duncan.

>
> You'll probably need to pull a 2.8 of it from llvm.org or a different repository.
>
> -Gordon
>
>> -----Original Message-----
>> From: llvmdev-bounces at cs.uiuc.edu [mailto:llvmdev-bounces at cs.uiuc.edu]
>> On Behalf Of Reza Sheykhi
>> Sent: Tuesday, October 02, 2012 1:37 PM
>> To: llvmdev at cs.uiuc.edu
>> Subject: [LLVMdev] llvm-g++ does not work!
>>
>> Hi,
>>
>> I am using PinaVM which is a prototype of a SystemC front-end based on
>> "LLVM". The only version that it works with is 2.8. Also to test PinaVM, we
>> need llvm-g++ (I think clang does not work). However, when I want to run an
>> example, i get the following error, which i think is related to llvm-g++:
>>
>>
>> reza at RezaUbuntu:~/pinavm-pinavm/systemc-examples/jerome-chain$
>> make promela
>> llvm-g++ -fno-inline-functions -I../../external/systemc-2.2.0/src/
>> -I../../external/TLM-2009-07-15/include/tlm -I../../external/basic -emit-llvm -
>> c main.cpp -o main.bc Potential incompatible plugin version. GCC: 4.5.3.
>> Expected: 4.5.4 Defines 'dragonegg_disable_version_check' as env variable
>> to remove this warning Please note that unexpected errors might occur.
>> llvm-link main.bc -o main.linked.bc
>> llvm-link: main.bc:1:1: error: expected top-level entity
>> ELF??4(VS???????????????????????
>> ^
>> llvm-link: error loading file 'main.bc'
>> make: *** [main.linked.bc] Error 1
>>
>>
>> It shows the main.bc is not a bitcode file. Most likely the llvm-g++ is broken.
>> Would you please let me know your opinion about it, and tell me how i can
>> fix it?
>>
>> Thank you,
>> Reza
>>
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