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From: Phil Blundell <philb@gnu.org>
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Subject: Re: [PATCH 1/8] multilib: Add support for compiling recipes against multiple ABIs
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On Tue, 2011-07-26 at 22:53 +0100, Richard Purdie wrote:
> +MULTILIBS ??= "multilib:lib32"
> +BBCLASSEXTEND_append_pn-linux-libc-headers = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-eglibc-initial = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-eglibc = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-libgcc = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-gcc-runtime = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-libtool-cross = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-zlib = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-binutils-cross = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-gcc-cross-initial = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-gcc-cross-intermediate = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-gcc-cross = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-busybox = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-update-rc.d = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-util-linux = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-gettext = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-bash = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-ncurses = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-expat = " ${MULTILIBS}"
> +BBCLASSEXTEND_append_pn-eglibc-locale = " ${MULTILIBS}"

What's the significance of this set of package names?  I couldn't
immediately spot an obvious reason why these particular recipes were
getting special treatment.
 
It seems particularly weird to have update-rc.d in there since that is
an allarch recipe and (one hopes) isn't going to change much under
multilib.

p.