[libvirt] [PATCH] use gnulib via a submodule

[Jim Meyering]

Daniel P. Berrange wrote:
...
>> Subject: [PATCH] use automake-1.11's silent-rules option, when possible
>>
>> Don't use mylibtool, (subsumed by automake's silent rules)
>> Its use was causing a non-srcdir build to fail.
>> * Makefile.am (EXTRA_DIST): Remove mylibtool.
>> * configure.in: Don't use mylibtool.
>>
>> * configure.in: Use AM_SILENT_RULES([yes]),
>> but only if that m4 macro is defined.
>> Thus, it works even on systems that lack automake-1.11.
>> Daniel Berrange suggested adding the conditional, so that
>> we don't have a hard requirement on 1.11, e.g., for RHEL5.
...
> ACK, I've tested on RHEL-5, the only issue was a minor warning from
> aclocal, which was evidently harmless.
>
> aclocal:configure.in:12: warning: macro `AM_SILENT_RULES' not found in library

Thanks. pushed