Re: [Xen-devel] [PATCH 4/5] configure: detect presence of libxendevicemodel

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Thu, Feb 23, 2017 at 02:53:54PM +0000, Paul Durrant wrote:
> This patch adds code in configure to set CONFIG_XEN_CTRL_INTERFACE_VERSION
> to a new value of 490 if libxendevicemodel is present in the build
> environment.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> ---
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
> ---
>  configure | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/configure b/configure
> index 8e8f18d..fc1e12b 100755
> --- a/configure
> +++ b/configure
> @@ -1980,6 +1980,25 @@ EOF
>    # Xen unstable
>    elif
>        cat > $TMPC <<EOF &&
> +#undef XC_WANT_COMPAT_DEVICEMODEL_API
> +#define __XEN_TOOLS__

Isn't __XEN_TOOLS__ supposed to be reserved for some to tools inside
xen.git?

Also it seems to be the only time this define is used in your patch
series.

> +#include <xendevicemodel.h>
> +int main(void) {
> +  xendevicemodel_handle *xd;
> +
> +  xd = xendevicemodel_open(0, 0);
> +  xendevicemodel_close(xd);
> +
> +  return 0;
> +}
> +EOF
> +      compile_prog "" "$xen_libs $xen_stable_libs -lxendevicemodel"
> +    then
> +    xen_stable_libs="$xen_stable_libs -lxendevicemodel"
> +    xen_ctrl_version=490
> +    xen=yes
> +  elif
> +      cat > $TMPC <<EOF &&
>  /*
>   * If we have stable libs the we don't want the libxc compat
>   * layers, regardless of what CFLAGS we may have been given.
> -- 
> 2.1.4
> 

-- 
Anthony PERARD

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