llvm dev - Sep 2006 - [LLVMdev] updating the "Getting Started" page with more info about the gcc4 frontend

Chris Lattner wrote:
> Patches welcome.  Please send a patch, or even just some suggested 
> text, and we'll be happy to include it.  Remember that the people who 
> usually end up writing the FAQ's already know all the answers, so
it's
> hard for us to see things from fresh perspectives sometimes :)
>
> -Chris
>
Actually, my request for more info in the "Getting Started" had some 
hidden questions, as I don't know the answer to them :) So to be a 
little more clear, here are the two I had:

Does the gcc4 no longer need the "fixheaders" script that the gcc3.4 
frontends uses?

Is it possible to install both the gcc4 and the gcc3.4 frontends at the 
same time, or are they mutually exclusive? If so, how? If not, would it 
require a full rebuild, and renaming the executables something like 
llvm-gcc3?

Thanks again,

-e

I will join in on the questions as a complete newbie

is there anywhere a complete list of the environment variables used by llvm
and what i should put in each of them before and after the install?

so fur my attempt to get the configure script to run ended in a few wornings
that i haven't been able to find the solutions to them in the documentation.

thanks
lee

On 8/25/06, Erick Tryzelaar <erickt at dslextreme.com>
wrote:
>
> Chris Lattner wrote:
> > Patches welcome.  Please send a patch, or even just some suggested
> > text, and we'll be happy to include it.  Remember that the people
who
> > usually end up writing the FAQ's already know all the answers, so
it's
> > hard for us to see things from fresh perspectives sometimes :)
> >
> > -Chris
> >
> Actually, my request for more info in the "Getting Started" had
some
> hidden questions, as I don't know the answer to them :) So to be a
> little more clear, here are the two I had:
>
> Does the gcc4 no longer need the "fixheaders" script that the
gcc3.4
> frontends uses?
>
> Is it possible to install both the gcc4 and the gcc3.4 frontends at the
> same time, or are they mutually exclusive? If so, how? If not, would it
> require a full rebuild, and renaming the executables something like
> llvm-gcc3?
>
> Thanks again,
>
> -e
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
>


-- 
--
lee
Lee Elenbaas
lee.elenbaas at gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20060827/a4a41647/attachment.html>

Erick Tryzelaar wrote:
> Actually, my request for more info in the "Getting Started" had
some
> hidden questions, as I don't know the answer to them :) So to be a 
> little more clear, here are the two I had:
>
> Does the gcc4 no longer need the "fixheaders" script that the
gcc3.4
> frontends uses?
>
> Is it possible to install both the gcc4 and the gcc3.4 frontends at 
> the same time, or are they mutually exclusive? If so, how? If not, 
> would it require a full rebuild, and renaming the executables 
> something like llvm-gcc3?
>
> Thanks again,
>
Sorry to bump this again, but I haven't been able to figure it out :( 
Anyone know the answer?

On 9/2/06, Erick Tryzelaar <erickt at dslextreme.com>
wrote:
>
> Erick Tryzelaar wrote:
> > Is it possible to install both the gcc4 and the gcc3.4 frontends at
> > the same time, or are they mutually exclusive? If so, how? If not,
> > would it require a full rebuild, and renaming the executables
> > something like llvm-gcc3?
> >
> > Thanks again,
> >
>
> Sorry to bump this again, but I haven't been able to figure it out :(
> Anyone know the answer?

Try passing "--program-suffix=-3.4-llvm" to GCC's configure to
have all the
executable names suffixed with "-3.4-llvm".

More GCC configure options are documented at
http://gcc.gnu.org/install/configure.html

-Jey Kottalam
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20060902/ad06467a/attachment.html>

On Sat, 2 Sep 2006, Erick Tryzelaar wrote:
> Erick Tryzelaar wrote:
>> Actually, my request for more info in the "Getting Started"
had some
>> hidden questions, as I don't know the answer to them :) So to be a
>> little more clear, here are the two I had:
>>
>> Does the gcc4 no longer need the "fixheaders" script that the
gcc3.4
>> frontends uses?
>>
>> Is it possible to install both the gcc4 and the gcc3.4 frontends at
>> the same time, or are they mutually exclusive? If so, how? If not,
>> would it require a full rebuild, and renaming the executables
>> something like llvm-gcc3?
>>
>> Thanks again,
>>
>
> Sorry to bump this again, but I haven't been able to figure it out :(
> Anyone know the answer?
They can coexist.  The steps I use are to install both into separate 
directories.  Don't add either bin dir to your path.  Then create (in some 
directory in your PATH) symlinks to both trees.  I have llvm-gcc/llvm-g++ 
symlinked to llvm-gcc4 and llvm-gcc3/llvm-g++3 symlinked to the llvm-gcc3 
binaries.

Seems to work for me, YMMV,

-Chris

-- 
http://nondot.org/sabre/
http://llvm.org/