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(parent: a71c503) | patch
build: improve env var handling for cross build
authorDavid Lamparter <equinox@diac24.net>
Tue, 4 Jun 2019 14:20:20 +0000 (16:20 +0200)
committerDavid Lamparter <equinox@diac24.net>
Wed, 12 Jun 2019 17:22:59 +0000 (19:22 +0200)
commit72ad94d5482298a7bb8d099bee3b7bfeab2a222b
tree8c19d86278f135a1e613635575c43d463deca76etree
parenta71c5039ad6d11dcf1ef28aa23ebf92cf52a8acecommit | diff
build: improve env var handling for cross build

We can use `$ac_precious_vars` to get at autoconf's conception of which
environment variables are relevant.  This makes "HOST_..." setup more
consistent for cross-compilation setups.

Fixes: #4006
Signed-off-by: David Lamparter <equinox@diac24.net>
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