Fix: Fetch target info from Cargo even if Build::target
is manually set
#1299
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In the first commit, I've documented more closely what
Build::target
does, which should avoid confusion like in #1297.And then it occurs to me that some users might be doing
build.target(&std::env::var("TARGET").unwrap())
(even thoughBuild::target
has been available sincecc v1.0.0
), which would give different behaviour than if they didn't do that (since we no longer source from Cargo). So I've added a hacky fix for this case.We might want to take it even further, and warn if both
TARGET
andBuild::target
are set?