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A-driverArea: rustc_driver that ties everything together into the `rustc` compilerArea: rustc_driver that ties everything together into the `rustc` compilerA-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binariesC-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.
Description
For Debian we need to keep track of static libs linked into a final binary, for copyright purposes.
It seems that src/librustc_codegen_llvm/back/link.rs
performs the actual linking and search of paths, and it refers to a --print=native-static-libs
option but this doesn't seem to work.
For example when I link to the system libbacktrace and then build this with RUSTFLAGS="--print=native-static-libs" cargo build --verbose --verbose --verbose
I can see the build.rs output which is
cargo:rustc-link-lib=static=backtrace
cargo:rustc-link-search=native=/usr/lib/gcc/x86_64-linux-gnu/7/
But then I don't see any follow-up output that indicates that rustc actually found the file /usr/lib/gcc/x86_64-linux-gnu/7/libbacktrace.a
and this was what was actually linked into the final backtrace-sys.rlib
.
lu-zero
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A-driverArea: rustc_driver that ties everything together into the `rustc` compilerArea: rustc_driver that ties everything together into the `rustc` compilerA-linkageArea: linking into static, shared libraries and binariesArea: linking into static, shared libraries and binariesC-feature-requestCategory: A feature request, i.e: not implemented / a PR.Category: A feature request, i.e: not implemented / a PR.T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.