[libvirt] [PATCHv3 1/2] spec: make it easier to autoreconf when building rpm

[Daniel P. Berrange]

On Tue, Dec 06, 2011 at 04:47:27PM -0700, Eric Blake wrote:
> Over time, Fedora and RHEL RPMs have often backported upstream
> patches that touched configure.ac and/or Makefile.am; this
> necessitates rerunning the autotools for the patch to be effective.
> Making this a one-liner spec tweak will make it easier for future
> backports to pull patches without having to find all the places
> to touch to properly use the autotools.  Meanwhile, there have been
> historical instances where an update in the autotools caused FTBFS
> situations, so this is not on by default.
> 
> * libvirt.spec.in (BuildRequires): Add autotools.
> (%build): Conditionally use them before configure.
> ---
> 
> v2: switch default value of %enable_autotools
> 
>  libvirt.spec.in |   13 +++++++++++++
>  1 files changed, 13 insertions(+), 0 deletions(-)
> 
> diff --git a/libvirt.spec.in b/libvirt.spec.in
> index 97b811d..c2c926d 100644
> --- a/libvirt.spec.in
> +++ b/libvirt.spec.in
> @@ -8,6 +8,11 @@
>    sed -ne 's/^\.fc\?\([0-9]\+\).*/%%define fedora \1/p')}
>  %endif
> 
> +# Default to skipping autoreconf.  Distros can change just this one line
> +# (or provide a command-line override) if they backport any patches that
> +# touch configure.ac or Makefile.am.
> +%{?enable_autotools:%define enable_autotools 0}
> +
>  # A client only build will create a libvirt.so only containing
>  # the generic RPC driver, and test driver and no libvirtd
>  # Default to a full server + client build
> @@ -349,6 +354,11 @@ Requires(postun): systemd-units
>  %endif
> 
>  # All build-time requirements
> +%if 0%{?enable_autotools}
> +BuildRequires: autoconf
> +BuildRequires: automake
> +BuildRequires: libtool
> +%endif
>  BuildRequires: python-devel
>  %if %{with_systemd}
>  BuildRequires: systemd-units
> @@ -729,6 +739,9 @@ of recent versions of Linux (and other OSes).
>  %define init_scripts --with-init_script=redhat
>  %endif
> 
> +%if 0%{?enable_autotools}
> +autoreconf -if
> +%endif
>  %configure %{?_without_xen} \
>             %{?_without_qemu} \
>             %{?_without_openvz} \

ACK

Daniel
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