Re: [Qemu-trivial] [Qemu-devel] [PATCH] configure: Save PKG_CONFIG_LIBDIR and WINDRES in config.status

[Peter Maydell]

On 4 September 2018 at 08:02, Thomas Huth <address@hidden> wrote:
> When cross-compiling QEMU for a target that significantly differs from
> the host, the current information in config.status is not enough to
> properly re-create the configuration. For example when I try to test
> my build with the mingw32 cross-compiler, I regularly get this error
> after the build system tried to re-create the configuration with the
> config.status file:
>
> ERROR: sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T.
>        You probably need to set PKG_CONFIG_LIBDIR
>        to point to the right pkg-config files for your
>        build target
>RAND
> A similar problem exists for the "windres" tool, where you have to
> set the WINDRES variable in case it has a different name.
> So let's fix these issues by storing the configuration for theseq
> variables in the config.status file, too.

This is also true if the user set CC or RANLIB or any of a bunch
of other environment variables that configure uses. If we're going
to store those settings in config.status we should consistently
do it for all environment variables we care about, I think.

What does autoconf do for the equivalent situation?

thanks
-- PMM