[LLVMdev] Building LLVM 2.5 on CENTOS 5.3

Sarah Thompson sarah at findatlantis.com
Tue Apr 28 16:05:20 PDT 2009

Am trying that currently... looks OK so far. I'll post results when  
I've run my regression tests. Thanks!


On Apr 28, 2009, at 4:01 PM, Dale Johannesen wrote:

> On Apr 28, 2009, at 3:45 PMPDT, Sarah Thompson wrote:
>> Hi Folks,
>> I'm having some difficulties getting LLVM to build and work correctly
>> on CENTOS 5.3. This is basically tracked down easily enough to CENTOS
>> using GCC 4.1.x by default, which is known-buggy and known not to  
>> work
>> with LLVM -- I was getting the well-known problem with aborts due  
>> to a
>> non-empty symbol table. I have installed the gcc43 package via yum
>> (I'm trying to stick to known packages because I need to roll this  
>> out
>> at some point), which installs a gcc43 executable. Is there any
>> configure magic available that will make it possible to get the LLVM
>> build system to pick up gcc43 rather than the default gcc? Symlinking
>> it didn't work, because I suspect it was still picking up the old
>> libraries and headers. This is preferable to requiring users to
>> significantly hack their environment.
> I haven't tried it, but comments in 'configure' suggest the CC and CXX
> environment variables should work.
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