meson.eclass: use export -n instead of unset
authorMike Gilbert <floppym@gentoo.org>
Sun, 3 May 2020 17:25:56 +0000 (13:25 -0400)
committerMike Gilbert <floppym@gentoo.org>
Sun, 3 May 2020 17:25:56 +0000 (13:25 -0400)
commitd797a28c901c6262835b3a1d29ad8e192e9c1ecd
tree889f3ef8ae3d439a13f79f78cd2b7a15fd09d107
parent678544686189bfa625be9ff435a7cda2b29e4e11
meson.eclass: use export -n instead of unset

This ensures the variables are still availble if the configure function is
called more than once, as would happen for a multilib build.

Bug: https://bugs.gentoo.org/720818
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
eclass/meson.eclass