On 05/06/2018 07:27, Richard Henderson wrote: > On 06/03/2018 06:04 PM, Laurent Vivier wrote: >> On 01/06/2018 00:49, Richard Henderson wrote: >>> If the interp_prefix is a complete chroot, it may have a *lot* of files. >>> Setting up the cache for this is quite expensive. >>> >>> For the most part, we can use the *at versions of various syscalls to >>> attempt the operation in the prefix. For the few cases that remain, >>> attempt the operation in the prefix via concatenation and then retry >>> if that fails. >>> >> >> I like the idea, but it breaks real chroot. >> >> You can test it with: >> >> wget >> https://github.com/vivier/linux-user-test-scrips/raw/master/create_chroot.sh >> >> then >> >> sudo sh ./create_chroot.sh /path/to/static/qemu-s390x stretch > > *shrug* Works for me, at least as far as I can test. > > Your script doesn't work outside debian, lacking debootstrap Yes, but Fedora has debootstrap.
> At the moment, I can't build on debian *at all*. Some bit of the build > infrastructure is off and QEMU_FULL_VERSION gets incorrectly defined. I have > no idea how or why it is different than Fedora. > > On Fedora 28, one can no longer build a static qemu. We depend on libraries > for which Fedora no longer ships static versions. I build my test binaries on Fedora 28. My configure is: ./configure' '--enable-linux-user' '--disable-system' '--static' '--disable-tools' '--disable-docs' > Do you have some specific binary that fails? for qemu, qemu-ppc64le fails, and I think it"s "apt-get update" that is executed. Thanks, Laurent
