On Sat, 2022-03-12 at 15:40 +0000, Jose Quaresma wrote:
> Sometimes when we use the exe_wrapper we need a way to
> costumize or circumvent some limitations of the qemu usermode.
> The ideia of this help script is to handle such cases before
> the qemu usermode was launched.
> 
> Signed-off-by: Jose Quaresma <[email protected]>
> ---
>  meta/classes/meson.bbclass | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/meta/classes/meson.bbclass b/meta/classes/meson.bbclass
> index 0bfe945811..877f5e7794 100644
> --- a/meta/classes/meson.bbclass
> +++ b/meta/classes/meson.bbclass
> @@ -114,6 +114,8 @@ cpp_link_args = ${@meson_array('BUILD_LDFLAGS', d)}
>  EOF
>  }
>  
> +MESON_QEMU_WRAPPER_HELPER ?= ""
> +
>  do_write_config:append:class-target() {
>      # Write out a qemu wrapper that will be used as exe_wrapper so that meson
>      # can run target helper binaries through that.
> @@ -127,10 +129,14 @@ export 
> GIO_MODULE_DIR=${STAGING_LIBDIR}/gio/modules-dummy
>  # meson sets this wrongly (only to libs in build-dir), 
> qemu_wrapper_cmdline() and GIR_EXTRA_LIBS_PATH take care of it properly
>  unset LD_LIBRARY_PATH
>  
> +# import any customization provided in the helper
> +test -f "${MESON_QEMU_WRAPPER_HELPER}" && . ${MESON_QEMU_WRAPPER_HELPER}
> +
>  $qemu_binary "\$@"
>  EOF
>      chmod +x ${WORKDIR}/meson-qemuwrapper
>  }
> +do_write_config:class-target[vardeps] += "MESON_QEMU_WRAPPER_HELPER"

You can't use overrides with flags like that, I'm surprised that even parses!

Cheers,

Richard


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