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Eric Blake
42af2167a4
build: avoid warnings on older gcc
A previous patch (c606671a) pulled in a newer version of stat-time.h from gnulib, which causes some warnings in older gcc: CC libvirt_driver_storage_la-storage_backend.lo cc1: warnings being treated as errors In file included from ../../src/storage/storage_backend.c:59: ../../gnulib/lib/stat-time.h:55: error: no previous prototype for 'get_stat_atime_ns' [-Wmissing-prototypes] Upstream gnulib argues that these warnings are stupid (and I agree; see <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54113>), and has used a modern gcc feature (#pragma GCC diagnostic push) to avoid the warning. But we still aim to compile on RHEL 6.3, with gcc 4.4.6 (not to mention even older platforms like RHEL 5), and therefore the warning trips up our default of development with -Werror. It took me a while to figure out how to make our set of warnings smaller on older gcc without losing the benefit of the warnings when using newer gcc (such as the one on Fedora 17), but this should do the trick. * m4/virt-compile-warnings.m4 (LIBVIRT_COMPILE_WARNINGS): Avoid warnings that gnulib can't silence on older gcc.
LibVirt : simple API for virtualization Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux (and other OSes). It is free software available under the GNU Lesser General Public License. Virtualization of the Linux Operating System means the ability to run multiple instances of Operating Systems concurrently on a single hardware system where the basic resources are driven by a Linux instance. The library aim at providing long term stable C API initially for the Xen paravirtualization but should be able to integrate other virtualization mechanisms if needed. Daniel Veillard <veillard@redhat.com>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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