[Buildroot] [PATCH 2/4 v2] package/kvm-unit-tests: introduce _ARCH_SUPPORTS

[Thomas Petazzoni <thomas.petazzoni@free-electrons.com>]

Hello,

On Sat, 8 Jul 2017 18:30:45 +0200, Yann E. MORIN wrote:

> >  GCC is *not* an arch dependency, so this should just be  
> 
> Yet we already use similar construct in other packages, like host-go:
> 
>     config BR2_PACKAGE_HOST_GO_ARCH_SUPPORTS
>         depends on (BR2_arm && BR2_TOOLCHAIN_SUPPORTS_PIE) || [...]
> 
> or like kodi:
> 
>      config BR2_PACKAGE_KODI_ARCH_SUPPORTS
>         default y if (BR2_arm || (BR2_mipsel && BR2_TOOLCHAIN_USES_GLIBC) || [...]
> 
> or with libsigsegv:
> 
>     config BR2_PACKAGE_LIBSIGSEGV_ARCH_SUPPORTS
>         default y if BR2_TOOLCHAIN_USES_GLIBC
>         default y if BR2_TOOLCHAIN_USES_MUSL
>         default y if BR2_TOOLCHAIN_USES_UCLIBC && [...archs...]
> 
> or libunwind, openal (interesting case), openblas, protobuf.
> 
> Arguaby, none of the above have a dependency on gcc, but some are on the
> C library, and others are on toolchain features...

Yes, but see what I replied to Carlos about adding a
BR2_PACKAGE_LINUX_PAM_ARCH_SUPPORTS option, which would have encoded
non-architecture dependencies.

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com