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Can't compile core from the rust-src component #48734
Description
STR
$ rustup component add rust-src
$ cd $(rustc --print sysroot)/lib/rustlib/src/rust/src/libcore
$ cargo build
Compiling core v0.0.0 (file:///home/japaric/.rustup/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/src/libcore)
error: couldn't read "../stdsimd/coresimd/mod.rs": No such file or directory (os error 2)
--> lib.rs:199:5
|
199 | mod coresimd;
| ^^^^^^^^
error: aborting due to previous error
error: Could not compile `core`.Metadata
$ rustc -V
rustc 1.26.0-nightly (e026b59cf 2018-03-03)Workaround
$ # switch to an older nightly
$ rustup default nightly-2018-03-03cc @alexcrichton possibly caused by #48513; it seems that stdsimd will have to be included in rust-src
Activity
japaric commentedon Mar 4, 2018
Also, this broke Xargo and the development workflow of all the no_std / embedded users who use it. cc @aturon
allow nostd test to fail, see rust-lang/rust#48734
allow nostd test to fail, see rust-lang/rust#48734
Include stdsimd in rust-src component
Auto merge of #48736 - alexcrichton:fix-rust-src, r=3