[LLVMdev] Compiling llvm and Clang on Linux

[Duncan Sands]

Hi Sitvanit,

> I tried
>
>   CC=gcc44 CXX=g++44 ../llvm/configure
>
> and got
>
> CC=gcc44: Command not found
>
> So the syntax is indeed as wriiten in the help.

actually, no, this just means that you are using a shell that doesn't support
this syntax.  What shell are you using?  Try
   export CC=gcc44
   export CXX=g++44
   ../llvm/configure

Ciao, Duncan.

>
> Sitvanit Ruah
> Formal Verification Group
> IBM Haifa Research Laboratory
> Tel:  972-4-828-1249
>
>
>
>
> From:	Duncan Sands <baldrick at free.fr>
> To:	Sitvanit Ruah/Haifa/IBM at IBMIL,
> Cc:	Konstantin Tokarev <annulen at yandex.ru>, llvmdev at cs.uiuc.edu,
>              llvmdev-bounces at cs.uiuc.edu
> Date:	13/07/2012 08:50 AM
> Subject:	Re: [LLVMdev] Compiling llvm and Clang on Linux
> Sent by:	Duncan Sands <duncan.sands at gmail.com>
>
>
>
> Hi Sitvanit,
>
> On 12/07/12 22:18, Sitvanit Ruah wrote:
>> I ran "configure -help " and it says
>>
>> usage: configure  [OPTION]..... [VAR=VALUE]
>>
>> So I assume configure CC=... is the right syntax. Isn't it?
>
> while you might think so, try it the other way round.  Also, by doing
>     make VERBOSE=1
> you can see which compiler is really being used.
>
> Ciao, Duncan.
>
>>
>> Regard,
>> Sitvanit
>>
>>
>>
>>
>>
>>
>>
>> From:		 Konstantin Tokarev <annulen at yandex.ru>
>> To:		 Sitvanit Ruah/Haifa/IBM at IBMIL,
>> Cc:		 llvmdev-bounces at cs.uiuc.edu, llvmdev at cs.uiuc.edu, Duncan Sands
>>               <baldrick at free.fr>
>> Date:		 12/07/2012 05:09 PM
>> Subject:		 Re:[LLVMdev] Compiling llvm and Clang on Linux
>>
>>
>>
>>
>>
>>> Yes, it is the same error referring to 4.1.2.
>>>
>>> /usr/lib/gcc/i386-redhat-linux/4.1.2/../../../../include/c+
>>> +/4.1.2/i386-redhat-linux/bits/gthr-default.h:114:1: error: weakref
>>> declaration must have internal
>>> linkage
>>> __gthrw(pthread_key_delete)
>>>
>>> There are several such errors.
>>
>> Are you sure you are usin gcc44? Don't you need to run CC=gcc44 CXX=g+
>> +44 ../llvm/configure instead?
>>
>>    --
>> Regards,
>> Konstantin
>>
>>
>>
>
>
>
>