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build script always generates all mcus #20

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FlyingGaz opened this issue Jul 27, 2020 · 0 comments
Open

build script always generates all mcus #20

FlyingGaz opened this issue Jul 27, 2020 · 0 comments

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@FlyingGaz
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The check for the target arch in the build script doesn't work.

avrd/build.rs

Line 13 in 6072399

if cfg!(arch = "avr") {

Checking the environment variable CARGO_CFG_TARGET_ARCH would probably be the correct way (like avr_mcu::is_compiling_for_avr()).

I would have submitted a pull request, but with rustc 1.47.0-nightly (6c8927b0c 2020-07-26) I get the following error when retrieving the current mcu.

thread 'main' panicked at 'cannot retrieve mcu name, use a version of the avr-rust compiler that exposes the 'target_cpu' configuration option', avr-mcu-0.2.6\src\current.rs:35:24

I'm guessing, this will have to wait until a solution for exposing target_cpu is found.
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@FlyingGaz