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Re: gcc 4.6.1 compile fails in linking stage - libgmp.so in wrong format
I put the src trees of gmp, mpfr, and mpc under the gcc tree, linked "gmp", "mpfr", "mpc" directories to each of these src trees. Then called configure, in a separate tree, as recommended.
But I'm getting:
checking for recent MPFR... no
configure: error: MPFR version >= 2.3.1 required
The MPFR version in the GCC tree is 3.1.0.
What do you recommend I do?
TIA,
Steve
----- Original Message -----
From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: steve kirby <thin_runner@yahoo.com>
Cc: GCC HELP <gcc-help@gcc.gnu.org>
Sent: Tuesday, October 25, 2011 4:42 PM
Subject: Re: gcc 4.6.1 compile fails in linking stage - libgmp.so in wrong format
On 25 October 2011 23:35, steve kirby wrote:
> Here's what I did for setup:
>
> (1) I compiled GMP, MPFR, and MPC.? As far as I can tell, all the libs created are 64-bit.
>
>
> (2) set LD_LIBRARY_PATH=/home/smith/GMP/lib:/home/smith/MPFR/lib:/home/smith/MPC/lib:
Is there a good reason you didn't put the GMP, MPFR and MPC sources in
the GCC source tree and just let GCC build them itself?
There's a script to do that in the gcc source dir, just run
./contrib/download_prerequisites
> (3) ./configure --prefix=/home/smith/GCC461 --with-gmp=/home/smith/GMP --with-mpfr=/home/smith/mpfr --with-mpc=/home/smith/mpc
Do not run ./configure, see http://gcc.gnu.org/wiki/FAQ#configure
> gmake
>
> but the -m32's are creeping in somehow.
Probably when building 32-bit libs, x86_64 is a multilib platform,
meaning it builds 32-bit and 64-bit libs.? You could stop it building
the 32-bit ones with --disable-multilib but that;s probably not what
you want to do.