[libvirt] [PATCHv2] build: fix qemuagenttest build with -O0 in fedora 19.

[Jincheng Miao]

----- Original Message -----
> From: "Eric Blake" <eblake at redhat.com>
> To: "Jincheng Miao" <jmiao at redhat.com>
> Cc: libvir-list at redhat.com
> Sent: Friday, August 2, 2013 9:09:23 PM
> Subject: Re: [libvirt] [PATCHv2] build: fix qemuagenttest build with -O0 in fedora 19.
> 
> 
> No, it was caused by having a space after text and before the newline.
> 
> 
> Use of $(NULL) helps multi-line comments be extendable in the future -
> you only have to insert one line at the end, instead of modifying an
> existing line to add a \ as well as your addition.  But when everything
> fits on one line, there is no point to using $(NULL).
> 

yes, I retry it, as you said.