[libvirt] [PATCHv2 4/6] build: make python optional at configure time

[Matthias Bolte]

2011/5/18 Eric Blake <eblake at redhat.com>:
> Regression introduced in commit 53cb23f4.
>
> * configure.ac: Let --with-python default to check.
> ---
>
> v2: no change from v1
> v1: https://www.redhat.com/archives/libvir-list/2011-May/msg00412.html
>
>  configure.ac |   29 ++++++++++++++++++++---------
>  1 files changed, 20 insertions(+), 9 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 8a3de4c..1a9fddd 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -1832,12 +1832,12 @@ dnl check for python
>  dnl
>
>  AC_ARG_WITH([python],
> -  AC_HELP_STRING([--with-python], [Build python bindings @<:@default=yes@:>@]),[],[with_python=yes])
> +  AC_HELP_STRING([--with-python],
> +   [Build python bindings @<:@default=check@:>@]),[],[with_python=check])
>
>  if test "$enable_shared:$with_python" = no:yes; then
> -  AC_MSG_WARN([Disabling shared libraries is incompatible with building Python extensions.])
> -  AC_MSG_WARN([Ignoring --with-python.])
> -  with_python=no
> +  AC_MSG_ERROR([Disabling shared libraries is incompatible with building
> +    Python extensions.])
>  fi

So, now this reports an error when you explicitly enable Python
bindings. But as with_python defaults to check now we might end up
enabling the bindings after this check even though enable_shared is
no. So this check doesn't work correctly anymore.

Matthas