[debian-users 00809] DEB_HOST_MULTIARCHとDEB_BUILD_MULTIARCHの違いは何ですか

[SHITAMORI Akira]

下森です

https://tracker.debian.org/pkg/mozcを見ていて気になったのですが

https://lintian.debian.org/tags/illegal-variable?version=2.114.163
> With debhelper compatibility level >= 13 (and also dh-exec before it)
> several files in the ./debian folder support the expansion of
> variables. Unfortunately, people sometimes confuse the DEB_BUILD_*
> variables with the similarly-named DEB_HOST_* variables.
> 
> Some conditions are difficult to detect but it is never correct to
> use DEB_BUILD_MULTIARCH in debian/*.install or in debian/*.links.
> 
> Please use DEB_HOST_MULTIARCH instead of DEB_BUILD_MULTIARCH.
> 
> For more information please consult:
>     https://wiki.debian.org/Multiarch/Implementation#Recipes_for_converting_packages
>     Bug#983219

debian/uim-mozc.installのDEB_BUILD_MULTIARCHをDEB_HOST_MULTIARCHに変えてって話だと
おもうのですが。 DEB_BUILD_MULTIARCH と DEB_HOST_MULTIARCHの違いって何ですか。