--print native-static-libs with --emit metadata prints nothing #137384
Description
It should be possible to print the necessary native libs without actually creating the static library. However, combining --emit metadata with --print native-static-libs does not print anything.
I tried this:
$ rustc /dev/null --print native-static-libs --crate-type staticlib --emit metadata I expected to see this printed to the console:
note: Link against the following native artifacts when linking against this static library. The order and any duplication can be significant on some platforms. note: native-static-libs: -lgcc_s -lutil -lrt -lpthread -lm -ldl -lc Instead, this happened: the output is empty.
If I run without --emit metadata it works:
$ rustc /dev/null --print native-static-libs --crate-type staticlib note: Link against the following native artifacts when linking against this static library. The order and any duplication can be significant on some platforms. note: native-static-libs: -lgcc_s -lutil -lrt -lpthread -lm -ldl -lcHowever, this also creates libnull.a.
Meta
rustc --version --verbose:
rustc 1.87.0-nightly (f04bbc60f 2025-02-20) binary: rustc commit-hash: f04bbc60f8c353ee5ba0677bc583ac4a88b2c180 commit-date: 2025-02-20 host: x86_64-unknown-linux-gnu release: 1.87.0-nightly LLVM version: 20.1.0