Hi Brett,

On Fri, Mar 19, 2010 at 03:47:39PM -0400, Brett Viren wrote:
> This is probably a FAQ but I couldn't find the answer.
> 
> I want to install gcc43 packages on SL 5.3 64bit so I do:
> 
>   yum install gcc43 gcc43-c++ gcc43-gfortran
> 
> But yum ignores my command and says that "gcc43 is obsoleted by gcc44"
> and instead installs gcc44!  Complete insolence.
> 
> How can I tell yum to actually do what I tell it to do?

  I can't answer your specific question about yum, but note that the "gcc43"
build in SL5(/RHEL5) was a "preview" build and not meant for "production"
use (however you want to interpret that). In particular they appear to have
dumbed down the libstdc++ version to patch that of the standard system 
compiler (gcc412) instead of using the version that comes with gcc4.3 itself.
There were also other oddities about the "gcc43 preview" build, e.g. 
difficulties building boost, that caused the LHC experiments to reject it 
in favor of our own build(s) of the stock gcc43x. (Subsequent to that decision 
the "preview" switched to gcc4.4...)
 
                                   Pete

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Peter Elmer     E-mail: [email protected]      Phone: +41 (22) 767-4644
Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland
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