Re: [Xen-devel] [PATCH v2 5/7] xen: Don't build libelf for Arm

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Mon, 2 Jul 2018, Julien Grall wrote:
> Now that ELF support has been dropped to boot Dom0, no-one is using
> libelf within the hypervisor.
> 
> Introduce a config option to select libelf on x86 and keep unselected
> for Arm.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

> ---
>     Changes in v2:
>         - Rename HAS_ELF to NEEDS_LIBELF
> ---
>  xen/arch/x86/Kconfig | 1 +
>  xen/common/Kconfig   | 3 +++
>  xen/common/Makefile  | 2 +-
>  3 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig
> index f64fc56739..c75f0526d8 100644
> --- a/xen/arch/x86/Kconfig
> +++ b/xen/arch/x86/Kconfig
> @@ -24,6 +24,7 @@ config X86
>       select HAS_PDX
>       select HAS_UBSAN
>       select HAS_VPCI if !PV_SHIM_EXCLUSIVE
> +     select NEEDS_LIBELF
>       select NUMA
>  
>  config ARCH_DEFCONFIG
> diff --git a/xen/common/Kconfig b/xen/common/Kconfig
> index 9043dce937..d4c0951a24 100644
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -44,6 +44,9 @@ config HAS_GDBSX
>  config HAS_IOPORTS
>       bool
>  
> +config NEEDS_LIBELF
> +     bool
> +
>  config NEEDS_LIST_SORT
>       bool
>  
> diff --git a/xen/common/Makefile b/xen/common/Makefile
> index 24d4752ccc..b3e0b0ebf4 100644
> --- a/xen/common/Makefile
> +++ b/xen/common/Makefile
> @@ -78,5 +78,5 @@ obj-$(CONFIG_TMEM) += $(tmem-y)
>  subdir-$(CONFIG_COVERAGE) += coverage
>  subdir-$(CONFIG_UBSAN) += ubsan
>  
> -subdir-y += libelf
> +subdir-$(CONFIG_NEEDS_LIBELF) += libelf
>  subdir-$(CONFIG_HAS_DEVICE_TREE) += libfdt
> -- 
> 2.11.0
> 

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/mailman/listinfo/xen-devel