[OE-core] [PATCH] qemu: explicitly disable xen support

[Saul Wold]

On 11/13/2013 12:15 AM, Ming Liu wrote:
> We don't make use of xen and when building on Ubuntu 13.04 when
> libxen-dev is installed on the build host you will get errors like the
> following:
>
> | /usr/include/x86_64-linux-gnu/bits/string3.h:81: warning: memset used with constant zero length parameter; this could be due to transposed parameters
> | /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib/libxenguest.so: undefined reference to `lzma_alone_decoder at XZ_5.0'
> | /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib/libxenguest.so: undefined reference to `lzma_code at XZ_5.0'
> | /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib/libxenguest.so: undefined reference to `lzma_stream_decoder at XZ_5.0'
> | /usr/lib/gcc/x86_64-linux-gnu/4.7/../../../../lib/libxenguest.so: undefined reference to `lzma_end at XZ_5.0'
>
> This change disables xen for both -native and target packages but
> since it is a PACKAGECONFIG a user could tune this to have xen support
> in the target package.
>
> Signed-off-by: Mark Asselstine <mark.asselstine at windriver.com>
> Signed-off-by: Ming Liu <ming.liu at windriver.com>
> ---
>   meta/recipes-devtools/qemu/qemu.inc | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc
> index 702fe01..95a3aa3 100644
> --- a/meta/recipes-devtools/qemu/qemu.inc
> +++ b/meta/recipes-devtools/qemu/qemu.inc
> @@ -79,6 +79,7 @@ do_install_append() {
>   PACKAGECONFIG ??= ""
>   PACKAGECONFIG[virtfs] = "--enable-virtfs --enable-attr,--disable-virtfs,libcap attr,"
>   PACKAGECONFIG[aio] = "--enable-linux-aio,--disable-linux-aio,libaio,"
> +PACKAGECONFIG[xen] = "--enable-xen, --disable-xen,,"
>
If enabled what dependencies or rdepends does it need?  liblzma seems 
like it might be one.

Sau!

>   # Qemu target will not build in world build for ARM or Mips
>   BROKEN_qemuarm = "1"
>