2014-10-23 16:39, Alexander Guy: > In the case where a userspace reports itself as Ubuntu, but the > kernel isn't providing the expected version signature interface, > turn off Ubuntu specializations. > > This situation happens often enough in development environments, > and with multi-distribution build servers (e.g. chroot, containers). [...] > -ifeq ($(shell lsb_release -si 2>/dev/null),Ubuntu) > +ifeq ($(shell test -f /proc/version_signature && lsb_release -si > 2>/dev/null),Ubuntu)
Please, could explain what is the file /proc/version_signature and why it can be a check for Ubuntu kernel? Thanks -- Thomas
