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Ignore proc-macro feature on wasm-target#111

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alexcrichton merged 1 commit into
dtolnay:masterfrom
lukaslueg:wasm
Aug 12, 2018
Merged

Ignore proc-macro feature on wasm-target#111
alexcrichton merged 1 commit into
dtolnay:masterfrom
lukaslueg:wasm

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@lukaslueg

@lukaslueg lukaslueg commented Aug 10, 2018

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This causes the proc-macro feature to be ignored for wasm-targets where proc-macro is not available. Currently, if a crate is to be built that depends on proc-macro2, the proc-macro feature from an actual proc-macro leaks into the build-environment of proc-macro2 even if default-features = [], causing the build to fail.

This patch enables me to build (and run) my crate on wasm-targets.

I don't know if the patch is actually fully correct or not. If it is, it would be nice to be pushed into a 0.4.10-release. stdweb has recently bumped its dependencies in order to wait for this patch in 0.4. There are also patches like this waiting for quote and syn.

@alexcrichton alexcrichton merged commit 5130ca9 into dtolnay:master Aug 12, 2018
@alexcrichton

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Awesome, thanks!

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2 participants