[lfs-support] LFS 7.2 GCC pass 1

Bruce Dubbs bruce.dubbs at gmail.com
Mon Sep 3 09:48:33 PDT 2012


Eleanore Boyd wrote:
> On 9/3/2012 11:23 AM, Richard Melville wrote:
>>>
>>> I'd still be interested to know why we build GMP, MPC, and MPFR inside GCC
>>> except on the final build where they are built separately.

> As I understand it, with the first two times the toolchain is being
> built, and GMP, MPC, and MPFR aren't actually needed as part of said
> toolchain. With the last build, you're building the final system, and so
> they need to be installed in the system before building the new system's
> compiler.

The only program in Chapter 5 that needs GMP, MPC, and MPFR is gcc and 
having gcc build them is easier than three additional sections.  In 
Chapter 6 they are separate so other programs can use them if desired.

   -- Bruce







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