[libvirt] [PATCH] build: inform libtool of m4 directory

[Jim Meyering]

Eric Blake wrote:
> Silence a libtoolize warning.
>
> *  configure.ac (AC_CONFIG_MACRO_DIR): Add.
> ---
> Libtool spits out this warning during ./autogen.sh:
>
> | libtoolize: Consider adding `AC_CONFIG_MACRO_DIR([m4])' to configure.ac and
> | libtoolize: rerunning libtoolize, to keep the correct libtool macros in-tree.
>
> I've checked that there is no significant difference in the generated
> files when applying this patch to silence the warning, and that autoconf
> 2.59 supplied this macro.
>
>  configure.ac |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 1c7c24c..743a357 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -4,6 +4,7 @@ AC_INIT([libvirt], [0.7.6])
>  AC_CONFIG_SRCDIR([src/libvirt.c])
>  AC_CONFIG_AUX_DIR([build-aux])
>  AC_CONFIG_HEADERS([config.h])
> +AC_CONFIG_MACRO_DIR([m4])
>  dnl Make automake keep quiet about wildcards & other GNUmake-isms
>  AM_INIT_AUTOMAKE([-Wno-portability])

Thanks!  Pushed.