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Re: building gcc compiler --target=x86_64

From: Andrew Haley <aph at redhat dot com>
To: "tsah marco" <tsahmarco at gmail dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Mon, 31 Dec 2007 16:22:03 +0000
Subject: Re: building gcc compiler --target=x86_64
References: <23dcc150712310554p54ea44a9hd049a2a83bf13da6@mail.gmail.com>

tsah marco writes:
 > hi,
 > 
 > i am trying to build gcc compiler on pc(turion64x2 with fedora-8) for
 > target - athlon     64bit x2,
 > i have build one compiler with the following parameters:
 > 
 > [root@localhost gcc-4.1.0]# gcc -v
 > Using built-in specs.
 > Target: i686-pc-linux-gnu
 > Configured with: ./configure --enable-languages=c,c++
 > --enable-threads=posix --disable-checking --enable-__cxa_atexit
 > --disable-libunwind-exceptions --prefix=/opt/gcc/gcc-4.1.0
 > Thread model: posix
 > gcc version 4.1.0
 > 
 > now i want to install   gcc 64bit version the way is to change  the
 > --target=x86_64--pc-linux-gnu
 >  in the confiigure script i have som questions:

 > 1) how do i know if my OS fedora-8 is 64bit based(because i install
 > x86_64 version DVD)

uname -a

 > 2) i believe gcc version 4.1.0 support 64 bit ,is it true?

Yes.

 > 3) do you have any configure example for x86_64 bit that works for
 > you?

Just use the defaults.

Andrew.

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References:
- building gcc compiler --target=x86_64
  - From: tsah marco

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