Public bug reported:
Hi,
I tried installing libc6-xen on a hardy xen domU.
First, it's not picked up automatically; ldconfig -p reports no nosegneg
dirs, so it's useless; if I create a /etc/ld.so.conf.d/xen.conf with
"hwcap 1 nosegneg", these dirs appear in the "ldconfig -p" output.
Second, if I check with "ldd" on random binaries, the cmov version is
preferred over the xen version when both are installed; this also
renders the libc6-xen useless because libc6-i686 is always installed
(dep of ubuntu-minimal) right now...
Finally, AFAICT, all i386 glibc passes are built with:
libc_extra_cflags = -mno-tls-direct-seg-refs
so if you compare i686 and xen passes:
i686_extra_cflags = -march=i686 -mtune=i686 -O3
xen_extra_cflags = -march=i686 -mtune=i686 -O3 -mno-tls-direct-seg-refs
it seems to me the xen pass is entirely useless as a result.
Perhaps it should be dropped?
Thanks,
** Affects: glibc (Ubuntu)
Importance: Undecided
Status: New
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libc6-xen seems useless (for 3 independent reasons!)
https://bugs.launchpad.net/bugs/330039
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