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Rollup merge of #125417 - lqd:lld-retry, r=petrochenkov
self-contained linker: retry linking without `-fuse-ld=lld` on CCs that don't support it For the self-contained linker, this PR applies [the strategy](rust-lang/rust#125330 (comment)) of retrying the linking step when the driver doesn't support `-fuse-ld=lld`, but with the option removed. This is the same strategy we already use of retrying when e.g. `-no-pie` is not supported. Fixes #125330 r? `@petrochenkov` I have no idea how we could add a test here, much like we don't have one for `-no-pie` or `-static-pie` -- let me know if you have ideas -- but I tested on a CentOS7 image: ```console [root@d25b38376ede tmp]# ../build/host/stage1/bin/rustc helloworld.rs WARN rustc_codegen_ssa::back::link The linker driver does not support `-fuse-ld=lld`. Retrying without it. [root@d25b38376ede tmp]# readelf -p .comment helloworld String dump of section '.comment': [ 0] GCC: (GNU) 4.8.5 20150623 (Red Hat 4.8.5-44) [ 2d] rustc version 1.80.0-dev ``` I wasn't able to test with `cross` as the issue describes: I wasn't able to reproduce that behavior locally.
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