Wasmtime GitHub notifications bot (May 18 2020 at 17:57): Wasmtime GitHub notifications bot (May 18 2020 at 17:57):cfallin opened PR #1722 from docs-qemu-run to master:
This is an unsolicited but hopefully useful addition to the cross-compilation docs added in #1721; it describes how to run the cross-compiled binary under userspace qemu if the user does not have access to native hardware. This is sometimes useful for testing and development on the various machine backends.
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Wasmtime GitHub notifications bot (May 18 2020 at 17:57):cfallin requested alexcrichton for a review on PR #1722.
Wasmtime GitHub notifications bot (May 18 2020 at 18:00):cfallin updated PR #1722 from docs-qemu-run to master:
This is an unsolicited but hopefully useful addition to the cross-compilation docs added in #1721; it describes how to run the cross-compiled binary under userspace qemu if the user does not have access to native hardware. This is sometimes useful for testing and development on the various machine backends.
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Wasmtime GitHub notifications bot (May 18 2020 at 18:03):alexcrichton created PR Review Comment:
I don't think I ever had to update this env var when I was testing, although is this required for you locally?
Wasmtime GitHub notifications bot (May 18 2020 at 18:03):alexcrichton submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:03):alexcrichton submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:18):cfallin submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:18):cfallin created PR Review Comment:
It is at least on my setup (Arch Linux and its associated cross-build packages):
[cfallin@cfallin-laptop wasmtime]$ qemu-aarch64 target/aarch64-unknown-linux-gnu/release/wasmtime /lib/ld-linux-aarch64.so.1: No such file or directory [cfallin@cfallin-laptop wasmtime]$ qemu-aarch64 -L /usr/aarch64-linux-gnu/ target/aarch64-unknown-linux-gnu/release/wasmtime target/aarch64-unknown-linux-gnu/release/wasmtime: error while loading shared libraries: libgcc_s.so.1: cannot open shared object file: No such file or directory [cfallin@cfallin-laptop wasmtime]$ LD_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib64/ qemu-aarch64 -L /usr/aarch64-linux-gnu/ target/aarch64-unknown-linux-gnu/release/wasmtime wasmtime 0.16.0 Wasmtime WebAssembly Runtime(on Arch the
.../lib64vs.../libdiffers but otherwise it appears Ubuntu should work the same)It's possible this has to do with some rpath-related or other magic in the
.sos; if there's a simpler incantation that works, all the better!
Wasmtime GitHub notifications bot (May 18 2020 at 18:28):cfallin updated PR #1722 from docs-qemu-run to master:
This is an unsolicited but hopefully useful addition to the cross-compilation docs added in #1721; it describes how to run the cross-compiled binary under userspace qemu if the user does not have access to native hardware. This is sometimes useful for testing and development on the various machine backends.
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Wasmtime GitHub notifications bot (May 18 2020 at 18:30):cfallin updated PR #1722 from docs-qemu-run to master:
This is an unsolicited but hopefully useful addition to the cross-compilation docs added in #1721; it describes how to run the cross-compiled binary under userspace qemu if the user does not have access to native hardware. This is sometimes useful for testing and development on the various machine backends.
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Wasmtime GitHub notifications bot (May 18 2020 at 18:34):alexcrichton submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:34):alexcrichton created PR Review Comment:
Bummer! Dunno why it works on Ubuntu for me without this extra flag. Alas!
Wasmtime GitHub notifications bot (May 18 2020 at 18:34):alexcrichton submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:34):alexcrichton submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:34):alexcrichton created PR Review Comment:
Wanna add the
-Eflag here as well?
Wasmtime GitHub notifications bot (May 18 2020 at 18:44):cfallin updated PR #1722 from docs-qemu-run to master:
This is an unsolicited but hopefully useful addition to the cross-compilation docs added in #1721; it describes how to run the cross-compiled binary under userspace qemu if the user does not have access to native hardware. This is sometimes useful for testing and development on the various machine backends.
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Wasmtime GitHub notifications bot (May 18 2020 at 18:44):cfallin submitted PR Review.
Wasmtime GitHub notifications bot (May 18 2020 at 18:44):cfallin created PR Review Comment:
D'oh, editing fail. Thanks!
Wasmtime GitHub notifications bot (May 18 2020 at 20:06):cfallin merged PR #1722.
Last updated: Oct 23 2024 at 20:03 UTC