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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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cc8b3237c5
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Laine Stump cc8b3237c5 test: fix build errors with gcc 4.7.0 and -O0 
When building on Fedora 17 (which uses gcc 4.7.0) with -O0 in CFLAGS,
three of the tests failed to compile.

cputest.c and qemuxml2argvtest.c had non-static structs defined
inside the macro that was being repeatedly invoked. Due to some so-far
unidentified change in gcc, the stack space used by variables defined
inside { } is not recovered/re-used when the block ends, so all these
structs have become additive (this is the same problem worked around
in commit cf57d345b). Fortunately, these two files could be fixed with
a single line addition of "static" to the struct definition in the
macro.

virnettlscontexttest.c was a bit different, though. The problem structs
in the do/while loop of macros had non-constant initializers, so it
took a bit more work and piecemeal initialization instead of member
initialization to get things to be happy.

In an ideal world, none of these changes should be necessary, but not
knowing how long it will be until the gcc regressions are fixed, and
since the code is just as correct after this patch as before, it makes
sense to fix libvirt's build for -O0 while also reporting the gcc
problem.
(cherry picked from commit 06a1a45cef)
2012-04-16 12:39:58 +01:00
.gnulib@d5612c714c build: prohibit cross-inclusion 2012-03-02 06:22:43 -07:00
daemon Don't install sysctl file on non-Linux hosts 2012-04-16 12:39:24 +01:00
docs Fix parallel build in docs/ directory 2012-04-16 12:39:19 +01:00
examples Revert "Refactor the libvirt RPM daemon pieces" 2012-04-03 14:49:31 +08:00
gnulib build: fix mingw ssize_t, syntax check 2012-03-30 11:10:54 -06:00
include snapshot: add atomic create flag 2012-03-23 16:38:20 -06:00
m4 Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
po Pull in GNULIB regex module for benefit of test suite on Win32 2012-04-16 12:39:13 +01:00
python python: improve conversion validation 2012-03-31 09:16:00 -06:00
src virURIParse: don't forget to copy the user part 2012-04-16 12:39:53 +01:00
tests test: fix build errors with gcc 4.7.0 and -O0 2012-04-16 12:39:58 +01:00
tools virsh: Clarify escape sequence 2012-04-16 12:37:26 +01:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore build: drop obsolete qparams test 2012-03-23 16:12:58 -06:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS openvz: support vzctl 3.1 2012-04-16 12:39:32 +01:00
autobuild.sh Enable all warnings permanently & default to -Werror for GIT builds 2012-03-27 17:08:06 +01:00
autogen.sh build: allow for local gnulib diffs 2011-11-09 09:03:33 -07:00
bootstrap build: update to latest gnulib 2012-02-29 10:27:40 -07:00
bootstrap.conf Pull in GNULIB regex module for benefit of test suite on Win32 2012-04-16 12:39:13 +01:00
cfg.mk build: fix mingw ssize_t, syntax check 2012-03-30 11:10:54 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac Don't install sysctl file on non-Linux hosts 2012-04-16 12:39:24 +01:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
libvirt.spec.in Release of libvirt 0.9.11 2012-04-03 15:06:37 +08:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         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>