[Buildroot] [PATCH v3 7/9] package/efl: depend on lua ABI version 5.1

[Yann E. MORIN <yann.morin.1998@free.fr>]

James, All,

On 2020-05-24 18:48 -0600, James Hilliard spake thusly:
> Since efl is compatible with lua interpreters that provide the
> version 5.1 ABI we should depend on that instead of unconditionally
> selecting luajit.
> 
> Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
> ---
[--SNIP--]
> @@ -379,6 +385,14 @@ else
>  HOST_EFL_CONF_OPTS += --disable-cxx-bindings
>  endif
>  
> +ifeq ($(BR2_PACKAGE_LUAJIT),y)
> +HOST_EFL_CONF_OPTS += --disable-lua-old
> +HOST_EFL_DEPENDENCIES += host-luajit
> +else ifeq ($(BR2_PACKAGE_LUA),y)
> +HOST_EFL_CONF_OPTS += --enable-lua-old
> +HOST_EFL_DEPENDENCIES += host-lua
> +endif

Why does the host variant need to build against the same as the target
variant?

It is very unusual that a target option (here, the target Lua
interpreter) drives the compilation and dependencies of a host package,
so this warrants a bit of explanations.

Regards,
Yann E. MORIN.

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