[Libvir] PATCH: make debug builds quiet by default

Richard W.M. Jones rjones at redhat.com
Mon Jan 14 12:21:44 UTC 2008

Daniel Veillard wrote:
> On Wed, Jan 09, 2008 at 05:13:47AM +0000, Daniel P. Berrange wrote:
>> During development I like to have the --enable-debug flag enabled all the
>> time because its very handy at times. I don't want it spewing to stderr
>> all the time though, just because I turned on the compile option. So this
>> patch adds an env variable 'LIBVIRT_DEBUG' which controls whether it is
>> chatty or not. So with this patch you can use --enable-debug all the time,
>> and just run
>>    LIBVIRT_DEBUG=1 ./src/virsh ....
>> to turn it on for a particular test, or likewise for the daemon
>>   LIBVIRT_DEBUG=1 ./qemud/libvirtd
>   Hum, in other projects I have found that always compiling debug support in
> but activating it using a command line flag or a environment variable to be
> very useful, this helps people debug stuff by themselve or improve the
> quality of the reports. Shouldn't we just do that ? it's not like anthing 
> in libvirt is really timing critical or size matters that much, I can't
> see a real drawback to making --enable-debug the default, if it requires
> explicit activation.

+1 to DV's suggestion.


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