[Clfs-dev] CLFS 2.1.0 Development

[Martin Ward]

On 25/04/13 01:00, William Harrington wrote:
> Greetings,
>
> I have setup the dev book for development for the cross-lfs 2.1.0 book.
>
> Major updates will be for the toolchain.
>
> I have tried gcc 4.8 with graphite with latest cloog-isl and it was 
> causing segfaults in ncurses, readline and vim and some others. Vim 
> would act weird while editing files cause of it and would eventually 
> segfault.
i have tried gcc-4,8 with no problems at all, must be caused by the loop 
optimizations , did you use separate isl or as part of cloog?
>
> I went back to gcc 4.7.3 with graphite with latest cloog-isl and it 
> was no problem. I do not know if we want to go with gcc 4.8, yet. I do 
> not know what could be causing issues while using the graphite 
> optimizations when using them during the build.
>
i don't we have ever specified anything beyond -O2, because of said 
problems
> Because of changes in automake 1.13, some packages need to be edited 
> and in cblfs, too. I don't know if we want to wait until devs update 
> their source to fix the issue or we stick with our current version of 
> automake.
mostly depreciations in which can be fixed with sed -i 
's/AM_CONFIG_HEADER/AC_CONFIG_HEADERS/g' configure.ac
>
> Latest texinfo has some issues with packages as of now until devs fix 
> them.
>
> The idea is to not add extra commands to the book which will 
> eventually be removed later on. I say we concentrate on the toolchain 
> and update packages which will require a bunch of edits in the book 
> right now.
>
> Any input?
>
> Since we do provide graphite as part of the toolchain, everyone should 
> be testing their builds with the graphite options and making sure 
> everything works:
>
> -floop-block -floop-interchange -floop-strip-mine -fgraphite-identity 
> -floop-parallelize-all
i don't agree with that for the reason above, we have never over 
optimised , it can cause problems, indeed in some place we specifically 
warn against this
>
> Sincerely,
>
> William Harrington
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>
just my thoughts, haven't really investigated too much been pretty busy

Martin