Support for build scripts where host and target architecture match #97
Comments
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What I find a bit strange about this error, however, is that it claims that |
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This sounds similar to #94 - could you please double-check that you've updated to the latest |
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Hi @nastevens, I am indeed on the latest master, you can confirm that from the yocto build configuration: Perhaps this is an issue with build host and target architecture being (almost) the same? |
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This is the output of |
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Digging in a bit deeper, I can confirm that diff --git a/classes/cargo.bbclass b/classes/cargo.bbclass
index bcb2c05..9f62759 100644
--- a/classes/cargo.bbclass
+++ b/classes/cargo.bbclass
@@ -61,7 +61,7 @@ create_cargo_config() {
else
echo > ${CARGO_HOME}/config
echo "[target.${RUST_TARGET}]" >> ${CARGO_HOME}/config
- echo "linker = '${WRAPPER_DIR}/linker-wrapper.sh'" >> ${CARGO_HOME}/config
+ echo "linker = '${WRAPPER_DIR}/linker-native-wrapper.sh'" >> ${CARGO_HOME}/config
fi
echo >> ${CARGO_HOME}/configAlthough I am skeptical as to whether the final binary will run on my target. I will test this now. |
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Indeed, this doesn't work and reports file not found, which as I understand, means that the loader was not found. The output of ldd (run on the host since I don't have ldd on the target) is as follows, which is almost identical to #56 |
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@nastevens as you mentioned in your comment, the change in 2c460c0 causes problems for |
allsey87
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@allsey87 last time I looked at this, we got non-build-script crates working. It seems we are blocked on Rust itself not allowing to have individual target setups for the same target. |
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@otavio do you know if there been an issue opened for this on the Rust's/cargo's repo? |
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@allsey87 yes, I found it in the past but didn't find it now. Sorry. |
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@allsey87 @otavio Seems like this might be the issue in question? rust-lang/cargo#3349. |
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@rich-g exactly. It has a patch under work to fix it. |
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Looks like the right tooling is now (or will be shortly) in place in nightly: https://github.com/rust-lang/cargo/blob/master/src/doc/src/reference/unstable.md#host-config |
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Yes, however, I believe we cannot use it stable until it is release. Am I wrong? |
You're correct for how things work at present. You can work around it as described in #101 but I wouldn't feel comfortable adding the changes more generally until this is stabilized. That said I'm definitely open to workarounds using current stable if anyone has any ideas. |
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The fix is available as of rust |
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Should be fixed with the merge of #146 |
Is it the case at the moment, that any package using a build script will not compile?
With an empty project, it seems that as soon as I add a dependency on a package that includes a
build.rs, the build fails. For example, if I add log as a dependency, I get the output:My Yocto build configuration is as follows:
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