Re: [Xen-devel] [PATCH] qemu build: disable C++ optional code

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2014-07-07 at 12:47 +0100, Stefano Stabellini wrote:
> Disable C++ optimizations for the intruction emulators: we don't need
> them and they can cause build issues with Xen.

This doesn't help distros who want to use their existing qemu packages
with Xen though, or in general people who prefer their own qemu to ours.

What sort of build issues do we see? Is this to do with
xen/include/public not being C++ safe or is it code issues within the
Xen parts or qemu?

Ian.

> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> 
> 
> diff --git a/tools/Makefile b/tools/Makefile
> index f4aa200..da20f5a 100644
> --- a/tools/Makefile
> +++ b/tools/Makefile
> @@ -201,6 +201,7 @@ subdir-all-qemu-xen-dir: qemu-xen-dir-find
>               --disable-kvm \
>               --disable-docs \
>               --disable-guest-agent \
> +             --cxx=none \
>               --python=$(PYTHON) \
>               $(CONFIG_QEMUU_EXTRA_ARGS) \
>               $(IOEMU_CONFIGURE_CROSS); \



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