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Building for target different than current OS one #1217

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ranile opened this issue Jan 16, 2022 · 4 comments
Closed

Building for target different than current OS one #1217

ranile opened this issue Jan 16, 2022 · 4 comments

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@ranile
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ranile commented Jan 16, 2022

I'm trying to build a project for wasm32-unknown-unknown but failing at it because there is no target added. I do not understand how I can add the target.

$ ~/path/to/rustc_codegen_cranelift/build/cargo-clif -V
cargo 1.59.0-nightly (fcef61230 2021-12-17)

$ cargo -V
cargo 1.59.0-nightly (fcef61230 2021-12-17)

$ ~/code/cranelift-playgroud/rustc_codegen_cranelift/build/cargo-clif build
    Finished dev [unoptimized + debuginfo] target(s) in 42.26s

$ ~/code/cranelift-playgroud/rustc_codegen_cranelift/build/cargo-clif build --target wasm32-unknown-unknown
  error[E0463]: can't find crate for `core`
  |
  = note: the `wasm32-unknown-unknown` target may not be installed
  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`
  = help: consider building the standard library from source with `cargo build -Zbuild-std`

# set cargo to use nightly installed by `rustc_codegen_cranelift/y.rs`

$ ~/.cargo/bin/cargo -V
cargo 1.59.0-nightly (fcef61230 2021-12-17)

$ ~/.cargo/bin/cargo build --target wasm32-unknown-unknown
    Finished dev [unoptimized + debuginfo] target(s) in 42.47s
Complete output (with errors) 
$ ~/code/cranelift-playgroud/rustc_codegen_cranelift/build/cargo-clif -V
cargo 1.59.0-nightly (fcef61230 2021-12-17)

$ ~/code/cranelift-playgroud/rustc_codegen_cranelift/build/cargo-clif build
   Compiling proc-macro2 v1.0.36
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.85
   Compiling serde_derive v1.0.133
   Compiling log v0.4.14
   Compiling wasm-bindgen-shared v0.2.78
   Compiling serde v1.0.133
   Compiling cfg-if v1.0.0
   Compiling lazy_static v1.4.0
   Compiling bumpalo v3.9.1
   Compiling ryu v1.0.9
   Compiling serde_json v1.0.75
   Compiling itoa v1.0.1
   Compiling wasm-bindgen v0.2.78
   Compiling version_check v0.9.4
   Compiling percent-encoding v2.1.0
   Compiling matches v0.1.9
   Compiling autocfg v1.0.1
   Compiling fnv v1.0.7
   Compiling itoa v0.4.8
   Compiling anymap2 v0.13.0
   Compiling slab v0.4.5
   Compiling hashbrown v0.11.2
   Compiling boolinator v2.4.0
   Compiling scoped-tls-hkt v0.1.2
   Compiling form_urlencoded v1.0.1
   Compiling proc-macro-error-attr v1.0.4
   Compiling proc-macro-error v1.0.4
   Compiling indexmap v1.8.0
   Compiling quote v1.0.14
   Compiling wasm-bindgen-backend v0.2.78
   Compiling wasm-bindgen-macro-support v0.2.78
   Compiling wasm-bindgen-macro v0.2.78
   Compiling thiserror-impl v1.0.30
   Compiling yew-macro v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling thiserror v1.0.30
   Compiling bincode v1.3.3
   Compiling serde_urlencoded v0.7.0
   Compiling js-sys v0.3.55
   Compiling console_error_panic_hook v0.1.7
   Compiling web-sys v0.3.55
   Compiling serde-wasm-bindgen v0.3.1
   Compiling gloo-utils v0.1.2
   Compiling gloo-events v0.1.1
   Compiling gloo-console v0.2.1
   Compiling gloo-render v0.1.0
   Compiling gloo-dialogs v0.1.0
   Compiling gloo-timers v0.2.2
   Compiling gloo-storage v0.2.0
   Compiling gloo-history v0.1.0
   Compiling gloo-file v0.2.0
   Compiling gloo-worker v0.1.0
   Compiling gloo v0.6.0
   Compiling yew v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling yew-test-app v0.1.0 (/home/hamza/code/cranelift-playgroud/yew-test-app)
    Finished dev [unoptimized + debuginfo] target(s) in 42.26s

$ ~/code/cranelift-playgroud/rustc_codegen_cranelift/build/cargo-clif build --target wasm32-unknown-unknown
   Compiling ryu v1.0.9
   Compiling itoa v1.0.1
   Compiling cfg-if v1.0.0
   Compiling matches v0.1.9
   Compiling percent-encoding v2.1.0
   Compiling itoa v0.4.8
   Compiling fnv v1.0.7
   Compiling anymap2 v0.13.0
error[E0463]: can't find crate for `core`
  |
  = note: the `wasm32-unknown-unknown` target may not be installed
  = help: consider downloading the target with `rustup target add wasm32-unknown-unknown`
  = help: consider building the standard library from source with `cargo build -Zbuild-std`

error[E0463]: can't find crate for `compiler_builtins`

error: cannot find attribute `test` in this scope
   --> /home/hamza/.cargo/registry/src/github.com-1ecc6299db9ec823/matches-0.1.9/lib.rs:120:3
    |
120 | #[test]
    |   ^^^^

error: cannot find macro `panic` in this scope
   --> /home/hamza/.cargo/registry/src/github.com-1ecc6299db9ec823/matches-0.1.9/lib.rs:65:22
    |
65  |               ref e => panic!("assertion failed: `{:?}` does not match `{}`", e, stringify!($($pattern)+)),
    |                        ^^^^^
...
124 | /     assert_matches!(foo, Some(bar) if
125 | |         matches!(bar.as_bytes()[0], b'+' | b'-') &&
126 | |         matches!(bar.as_bytes()[1], b'0'...b'9')
127 | |     );
    | |_____- in this macro invocation
    |
    = note: this error originates in the macro `assert_matches` (in Nightly builds, run with -Z macro-backtrace for more info)

error: cannot find attribute `test` in this scope
   --> /home/hamza/.cargo/registry/src/github.com-1ecc6299db9ec823/matches-0.1.9/lib.rs:111:3
    |
111 | #[test]
    |   ^^^^

# error continues ...

$ ~/.cargo/bin/cargo -V
cargo 1.58.0 (7f08ace4f 2021-11-24)

$ ~/.cargo/bin/cargo build
   Compiling proc-macro2 v1.0.36
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.85
   Compiling serde_derive v1.0.133
   Compiling log v0.4.14
   Compiling serde v1.0.133
   Compiling wasm-bindgen-shared v0.2.78
   Compiling cfg-if v1.0.0
   Compiling lazy_static v1.4.0
   Compiling bumpalo v3.9.1
   Compiling serde_json v1.0.75
   Compiling ryu v1.0.9
   Compiling itoa v1.0.1
   Compiling wasm-bindgen v0.2.78
   Compiling version_check v0.9.4
   Compiling percent-encoding v2.1.0
   Compiling matches v0.1.9
   Compiling fnv v1.0.7
   Compiling autocfg v1.0.1
   Compiling itoa v0.4.8
   Compiling slab v0.4.5
   Compiling anymap2 v0.13.0
   Compiling hashbrown v0.11.2
   Compiling boolinator v2.4.0
   Compiling scoped-tls-hkt v0.1.2
   Compiling form_urlencoded v1.0.1
   Compiling proc-macro-error-attr v1.0.4
   Compiling proc-macro-error v1.0.4
   Compiling indexmap v1.8.0
   Compiling quote v1.0.14
   Compiling wasm-bindgen-backend v0.2.78
   Compiling wasm-bindgen-macro-support v0.2.78
   Compiling thiserror-impl v1.0.30
   Compiling yew-macro v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling wasm-bindgen-macro v0.2.78
   Compiling thiserror v1.0.30
   Compiling bincode v1.3.3
   Compiling serde_urlencoded v0.7.0
   Compiling js-sys v0.3.55
   Compiling console_error_panic_hook v0.1.7
   Compiling web-sys v0.3.55
   Compiling serde-wasm-bindgen v0.3.1
   Compiling gloo-utils v0.1.2
   Compiling gloo-events v0.1.1
   Compiling gloo-console v0.2.1
   Compiling gloo-dialogs v0.1.0
   Compiling gloo-render v0.1.0
   Compiling gloo-timers v0.2.2
   Compiling gloo-storage v0.2.0
   Compiling gloo-history v0.1.0
   Compiling gloo-file v0.2.0
   Compiling gloo-worker v0.1.0
   Compiling gloo v0.6.0
   Compiling yew v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling yew-test-app v0.1.0 (/home/hamza/code/cranelift-playgroud/yew-test-app)
    Finished dev [unoptimized + debuginfo] target(s) in 40.98s

$ ~/.cargo/bin/cargo build --target wasm32-unknown-unknown
   Compiling ryu v1.0.9
   Compiling itoa v1.0.1
   Compiling cfg-if v1.0.0
   Compiling matches v0.1.9
   Compiling percent-encoding v2.1.0
   Compiling fnv v1.0.7
   Compiling itoa v0.4.8
   Compiling anymap2 v0.13.0
   Compiling slab v0.4.5
   Compiling hashbrown v0.11.2
   Compiling scoped-tls-hkt v0.1.2
   Compiling serde v1.0.133
   Compiling serde_json v1.0.75
   Compiling wasm-bindgen v0.2.78
   Compiling form_urlencoded v1.0.1
   Compiling indexmap v1.8.0
   Compiling thiserror v1.0.30
   Compiling bincode v1.3.3
   Compiling serde_urlencoded v0.7.0
   Compiling js-sys v0.3.55
   Compiling console_error_panic_hook v0.1.7
   Compiling web-sys v0.3.55
   Compiling serde-wasm-bindgen v0.3.1
   Compiling wasm-bindgen-futures v0.4.28
   Compiling gloo-utils v0.1.2
   Compiling gloo-events v0.1.1
   Compiling gloo-console v0.2.1
   Compiling gloo-dialogs v0.1.0
   Compiling gloo-render v0.1.0
   Compiling gloo-timers v0.2.2
   Compiling gloo-storage v0.2.0
   Compiling gloo-worker v0.1.0
   Compiling gloo-file v0.2.0
   Compiling gloo-history v0.1.0
   Compiling gloo v0.6.0
   Compiling yew v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling yew-test-app v0.1.0 (/home/hamza/code/cranelift-playgroud/yew-test-app)
    Finished dev [unoptimized + debuginfo] target(s) in 24.27s

# -------------------

$  rustup show
Default host: x86_64-unknown-linux-gnu
rustup home:  /home/hamza/.rustup

installed toolchains
--------------------

stable-x86_64-unknown-linux-gnu (default)
nightly-2021-12-30-x86_64-unknown-linux-gnu
nightly-x86_64-unknown-linux-gnu
1.56-x86_64-unknown-linux-gnu

installed targets for active toolchain
--------------------------------------

wasm32-unknown-unknown
x86_64-unknown-linux-gnu

active toolchain
----------------

stable-x86_64-unknown-linux-gnu (default)
rustc 1.58.0 (02072b482 2022-01-11)

# set cargo to use nightly installed by `rustc_codegen_cranelift/y.rs`

$ ~/.cargo/bin/cargo -V
cargo 1.59.0-nightly (fcef61230 2021-12-17)

$ ~/.cargo/bin/cargo build --target wasm32-unknown-unknown
   Compiling proc-macro2 v1.0.36
   Compiling unicode-xid v0.2.2
   Compiling syn v1.0.85
   Compiling serde_derive v1.0.133
   Compiling wasm-bindgen-shared v0.2.78
   Compiling serde v1.0.133
   Compiling log v0.4.14
   Compiling lazy_static v1.4.0
   Compiling cfg-if v1.0.0
   Compiling bumpalo v3.9.1
   Compiling serde_json v1.0.75
   Compiling ryu v1.0.9
   Compiling wasm-bindgen v0.2.78
   Compiling itoa v1.0.1
   Compiling version_check v0.9.4
   Compiling matches v0.1.9
   Compiling percent-encoding v2.1.0
   Compiling autocfg v1.0.1
   Compiling itoa v0.4.8
   Compiling fnv v1.0.7
   Compiling slab v0.4.5
   Compiling anymap2 v0.13.0
   Compiling hashbrown v0.11.2
   Compiling boolinator v2.4.0
   Compiling scoped-tls-hkt v0.1.2
   Compiling form_urlencoded v1.0.1
   Compiling proc-macro-error-attr v1.0.4
   Compiling proc-macro-error v1.0.4
   Compiling indexmap v1.8.0
   Compiling quote v1.0.14
   Compiling wasm-bindgen-backend v0.2.78
   Compiling wasm-bindgen-macro-support v0.2.78
   Compiling thiserror-impl v1.0.30
   Compiling yew-macro v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling wasm-bindgen-macro v0.2.78
   Compiling thiserror v1.0.30
   Compiling bincode v1.3.3
   Compiling serde_urlencoded v0.7.0
   Compiling js-sys v0.3.55
   Compiling console_error_panic_hook v0.1.7
   Compiling web-sys v0.3.55
   Compiling serde-wasm-bindgen v0.3.1
   Compiling wasm-bindgen-futures v0.4.28
   Compiling gloo-utils v0.1.2
   Compiling gloo-events v0.1.1
   Compiling gloo-console v0.2.1
   Compiling gloo-render v0.1.0
   Compiling gloo-dialogs v0.1.0
   Compiling gloo-timers v0.2.2
   Compiling gloo-storage v0.2.0
   Compiling gloo-worker v0.1.0
   Compiling gloo-history v0.1.0
   Compiling gloo-file v0.2.0
   Compiling gloo v0.6.0
   Compiling yew v0.19.3 (https://github.com/yewstack/yew/#62e3194d)
   Compiling yew-test-app v0.1.0 (/home/hamza/code/cranelift-playgroud/yew-test-app)
    Finished dev [unoptimized + debuginfo] target(s) in 42.47s

This works when I use with cargo installed via rustup but not with cranelift one. Any help would be appriciated
@bjorn3
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bjorn3 commented Jan 16, 2022 •
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Cranelift doesn't yet have a wasm backend, so it can't compile for wasm32-unknown-unknown. See bytecodealliance/wasmtime#2566. You will have to use the default llvm backend of rustc for now.

For all supported targets (x86_64 and aarch64 at the moment) this can be done by setting https://github.com/bjorn3/rustc_codegen_cranelift/blob/8f02c4e2ee4a5e86bc14a3fe4d1bee9c3f2fc253/config.txt#L11 and rebuilding cg_clif.

@ranile
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ranile commented Jan 16, 2022

@bjorn3, I'm not building cranelift for wasm32-unknown-unknown. I have obtained a binary of rustc_codegen_cranelift built on x86_64-unknown-linux-gnu that I'm using to build another project for wasm32-unknown-unknown using cranelift. Not sure how those are related.

@bjorn3
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bjorn3 commented Jan 16, 2022

If you want to build a project for a target using cranelift, cranelift needs to have a backend for this target. So building a project or wasm using cranelift requires that cranelift has a wasm backend which it doesn't yet.

@ranile
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ranile commented Jan 16, 2022 •
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Oh, that's unfortunate. Guess we got to deal with it the way it is now...

@ranile ranile closed this as completed Jan 16, 2022
@MartinKavik MartinKavik mentioned this issue Apr 23, 2023
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@bjorn3 @ranile