[Libvir] remove global variables from header files

[Daniel Veillard]

On Mon, Mar 19, 2007 at 02:46:05PM +0100, Jim Meyering wrote:
> Hello,
> 
> I compiled the latest-from-cvs libvirt and was surprised to
> see link failures.  It was because I used -fno-common:
> 
>   .libs/libvirt_la-hash.o:(.bss+0x0): multiple definition of `virDomainFlags'
>   .libs/libvirt_la-libvirt.o:(.bss+0x0): first defined here
> 
>   libvirt_qemud-buf.o:(.bss+0x0): multiple definition of `qemud_packet_type'
>   libvirt_qemud-qemud.o:(.bss+0x0): first defined here
>   libvirt_qemud-buf.o:(.bss+0x4): multiple definition of `qemud_domain_runstate'
>   libvirt_qemud-qemud.o:(.bss+0x4): first defined here
> 
> Those happen when more than one compilation unit contains a non-extern
> declaration of the same global variable.
> 
> In each of the three cases, the name in question appears only
> at the point of declaration, so one could conceivably simply
> remove the name, leaving the anonymous "enum".  But then there
> would be no way to declare a variable to be of that type, so
> I chose to reuse the name, making it the name of the enum.
> If name space pollution is an issue, and applications that use
> those headers won't need those types, then it'd be better to
> remove the names altogether.

  Yes, makes sense, applied and commited,

    thanks a lot !

Daniel

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