[Clfs-dev] GCC command line option cleanup

[Andrew Bradford]

On 08/10/2014 02:33 PM, William Harrington wrote:
> Throughout the various GCC version changes, some configure options have
> been added, some may be obsolete, and some may not change.
> 
> We need to verify the GCC builds in cross tools, temp system, and final
> system to make sure we have configure options that are needed, aren't
> needed.
> 
> Some options may be auto, as well and may not need to be included with
> the configure line.
> 
> We have to be sure for cross-tools GCC that we understand that the host
> system may not be a GNU/Linux host and so some options which default
> based on a linux host do not get used and that we specifically set the
> options for a linux target.
> 
> Final system should be the easiest to determine if the configure options
> are good as they are or if some need to be removed, added based on what
> is auto.
> 
> Chris mentioned a ticket LFS has for this, as well, but they are
> targeting for GCC 4.9.
> 
> All is fine as it is, but we may be able to reduce the command line
> options for configure in each of the GCC builds in the book. Has anyone
> already looked into this?
> 
> Perhaps we should create a ticket for this, as well.

Regardless of if anyone has looked at it, a ticket is a good idea to
keep track of progress.

I've done a little bit of paring down of GCC options in the embedded
book over the years, but I'm not sure how much overlap there is with the
main book.  I'm sure the embedded book could still have some cleanup
done, too, though.

Thanks,
Andrew