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arm builds fail after move to wasm for front end #394

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opened by mcrosson · 7 comments

mcrosson commented (Migrated from github.com)

Plume version (and/or commit): 3fce5d6a14

After version 3fce5d6a14 Plume fails to build on arm with an error stating rust-lld not found. It looks like wasm isn't building artifacts for arm and a few related tickets are below.

From what I can tell rustup may need some additional components on arm builds that aren't installed by default but I'm not 100% how to progress.

Plume version (and/or commit): 3fce5d6a14831745115ae9cc8d25ace2b6d70ec8 After version 3fce5d6a14831745115ae9cc8d25ace2b6d70ec8 Plume fails to build on arm with an error stating ```rust-lld not found```. It looks like wasm isn't building artifacts for arm and a few related tickets are below. - https://github.com/rustwasm/team/issues/215 - https://github.com/rust-lang/rust/issues/52362 From what I can tell rustup may need some additional components on arm builds that aren't installed by default but I'm not 100% how to progress.

marek-lach commented (Migrated from github.com)

You might find this of use (or not): https://www.reddit.com/r/rust/comments/9a7te2/nightly_rust_is_switching_to_use_lld_llvms_new/

👍 1

mcrosson commented (Migrated from github.com)

@marek-lach Thanks!

marek-lach commented (Migrated from github.com)

More specifically here: https://rust-embedded.github.io/blog/2018-08-2x-psa-cortex-m-breakage/

mcrosson commented (Migrated from github.com)

@marek-lach Thank you again 👍

Now to figure out what the necessary linker= pair needs to be on these 2 arm boards (one is arm32 with hardware float, the other arm64)

@marek-lach Thank you again 👍 Now to figure out what the necessary linker=<value> pair needs to be on these 2 arm boards (one is arm32 with hardware float, the other arm64)

mcrosson commented (Migrated from github.com)

Current progress. A shell script to build plume-front but it's currently failing with the following error. Shell script included after the error.


  = note: lld: error: unknown argument: --export-dynamic


error: aborting due to previous error
error: Could not compile `plume-front`.

#!/bin/sh

cd /opt

wget http://releases.llvm.org/7.0.0/clang+llvm-7.0.0-armv7a-linux-gnueabihf.tar.xz
wget http://releases.llvm.org/7.0.0/clang+llvm-7.0.0-aarch64-linux-gnu.tar.xz

tar -xf clang*
rm *.xz
mv clang*/* .
cd /app
export PATH_OLD=${PATH}
export PATH=/opt/bin:${PATH}
RUSTFLAGS="-C linker=lld" cargo web deploy -p plume-front
rm -rf /opt/*
export PATH=${PATH_OLD}

Current progress. A shell script to build plume-front but it's currently failing with the following error. Shell script included after the error. ``` = note: lld: error: unknown argument: --export-dynamic error: aborting due to previous error error: Could not compile `plume-front`. ``` ``` #!/bin/sh cd /opt wget http://releases.llvm.org/7.0.0/clang+llvm-7.0.0-armv7a-linux-gnueabihf.tar.xz wget http://releases.llvm.org/7.0.0/clang+llvm-7.0.0-aarch64-linux-gnu.tar.xz tar -xf clang* rm *.xz mv clang*/* . cd /app export PATH_OLD=${PATH} export PATH=/opt/bin:${PATH} RUSTFLAGS="-C linker=lld" cargo web deploy -p plume-front rm -rf /opt/* export PATH=${PATH_OLD} ```

marek-lach commented (Migrated from github.com)

Edit: You may also find this useful regarding the issue: https://rust-embedded.github.io/cortex-m-quickstart/cortex_m_quickstart

I am not sure, @BaptisteGelez might know more about the Rust frontend in Plume, but the lld error you've got looks somewhat similar to this? https://github.com/facebook/osquery/issues/3408#issuecomment-309233430 **Edit:** You may also find this useful regarding the issue: https://rust-embedded.github.io/cortex-m-quickstart/cortex_m_quickstart

trinity-1686a commented

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Fixed by #402

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arm builds fail after move to wasm for front end #394