Re: glibc udebs built with -Os
Aurelien Jarno <aurelien@aurel32.net> writes:
> Hi all,
>
> After a discussion with Joey Hess and later with Frans Pop at Debconf
> 6, we have decided that it could be a good idea to have a udeb glibc
> built with -Os.
>
> I have made a few tests, mainly on i386 and amd64, and also on all
> architectures but m68k. All tests were ok. The tests include comparing
> the test logs with the normal version, running small tests programs
> with threads, and for all architectures but s390, ia64 and alpha (I
> don't own those machines) a boot with this glibc. This made me very
> enthusiastic.
>
> This has been implemented partially in glibc 2.3.6-10 and more fully
> in glibc 2.3.6-11.
>
> However we start facing some problems. We have build failures on s390
> and ia64 that were not present on the test builds. That let me think
> building the glibc with -Os is maybe not really stable. What it is
> sure, is that it is not supported upstream. On hppa, it is only
> possible to build the udeb with -Os with gcc-4.1. Also on i386 we've
> reached the biggest size possible for a build log (75MB).
>
> That's why I am now thinking of removing that from the current glibc
> and postpone that for later (probably etch+1), but I'd like to know
> what other people think, also people from d-i to know if the gain in
> space is really important for etch.
>
> Bye,
> Aurelien
Will/Would that inlcude a -Os libc6-pic package for use with mklibs
when building the initial ramdisk for D-I? Size probably matters much
more there.
MfG
Goswin
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