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RUSTFLAGS for target in cross-builds #2509

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larsbergstrom opened this issue Mar 22, 2016 · 1 comment
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RUSTFLAGS for target in cross-builds #2509

larsbergstrom opened this issue Mar 22, 2016 · 1 comment

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@larsbergstrom
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RUSTFLAGS does not quite work for the target-feature support as mentioned in #1137
, as it passes the target-feature to both host (for plugins) and target platforms during compilation. For cross-compile to Android/ARM, we need to pass target-feature=+neon in Servo, and this results in several hundred warnings about an unsupported feature for all of the plugin compilations.

Is there a plan for a RUSTTARGETFLAGS vs. RUSTHOSTFLAGS or similar?

CC @alexcrichton
@larsbergstrom
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Wait, I lied - this doesn't seem to be happening in yesterday's nightly.

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@larsbergstrom