On 03/02/2012 10:24 AM, Jim Meyering wrote: > Bob Friesenhahn wrote: > >> On Fri, 2 Mar 2012, Bob Friesenhahn wrote: >>> >>> I tried to test how much peak memory 'xz' uses to decompress the >>> autoconf tarball but was (apparently) defeated by the strange way >>> that 'xz' is linked. I will try again with a different tool this >>> weekend. >> >> Ok, I have now measured how much memory the 'xz' I have here requires >> under Linux to decompress the autoconf beta tarball. It requires >> 67,184,168 bytes of heap memory. This seems to match the xz >> documentation for the -9 compression level. > > The autoconf tarball is not large enough to warrant using xz's -9 option. > A simple xz -e (i.e., use the default of -6) should be fine.
What's the magic to add to cfg.mk to get that change in default? I just used gnulib's maint.mk 'make beta' to make the 2.68b tarball, so if the defaults are wrong in maint.mk, maybe we should be fixing things upstream from autoconf. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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