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Import LIBVIR_CHECK_VERSION macro from libvirt

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Add LIBVIR_CHECK_VERSION from libvirt upstream so that we can check the
version of the library we are compiling against and support a range of
libvirt versions. The macro was added to libvirt in 1.2.0 so we must
provide it if its not defined.
This commit is contained in:
Doug Goldstein
2013-11-13 14:37:22 -06:00
committed by Daniel P. Berrange
parent 68bbab625a
commit ac89e8177d
1 changed files with 10 additions and 0 deletions
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10
libvirt-utils.h
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@ -28,6 +28,16 @@
# define MIN(a,b) (((a) < (b)) ? (a) : (b))
# endif
/**
* libvirt.h provides this as of version 1.1.5, but we want to be able
* to support older versions of libvirt so copy and paste the macro from
* libvirt.h
*/
# ifndef LIBVIR_CHECK_VERSION
# define LIBVIR_CHECK_VERSION(major, minor, micro) \
((major) * 1000000 + (minor) * 1000 + (micro) <= LIBVIR_VERSION_NUMBER)
# endif
/* Return 1 if an array of N objects, each of size S, cannot exist due
to size arithmetic overflow. S must be positive and N must be
nonnegative. This is a macro, not a function, so that it