Re: CrossGCC FAQ update.

[Brendan Simon <brendan@dgs.monash.edu.au>]

Isn't there a better way to select the necessary libaries rather than editing
soure/config files ?
I thought there might be a configure option to select the appropriate libraries.
Maybe the -cpu (or is that -mcpu) option can be used ?

Brendan Simon.


Jonathan Larmour wrote:

> >  - how do I turn off building all these multilib options when all I need is a
> >    libgcc.a for a single target architecture?
>
> To reduce the number of multilibs, edit the appropriate file commencing with
> "t-" in the relevant subdirectory of gcc/config. For example, the options
> for m68k-elf are in "gcc/config/m68k/t-m68kelf". The macros to change are
> MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES and
> MULTILIB_EXCEPTIONS.
>
> >  - how do I disable building all these other libraries I do not need, but
> >    which cause compilation errors sometimes?
>
> The simplest answer is probably just to move them out of the way
> temporarily. Even just renaming them will work, e.g. "mv libstdc++
> libstdc++.foo"
>
> Jifl
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