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Require static native libraries when linking static executables #55566

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Require static native libraries when linking static executables #55566

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18 changes: 14 additions & 4 deletions src/librustc_codegen_llvm/back/link.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1412,9 +1412,7 @@ fn add_upstream_rust_crates(cmd: &mut dyn Linker,
}
}

// Link in all of our upstream crates' native dependencies. Remember that
// all of these upstream native dependencies are all non-static
// dependencies. We've got two cases then:
// Link in all of our upstream crates' native dependencies. We have two cases:
//
// 1. The upstream crate is an rlib. In this case we *must* link in the
// native dependency because the rlib is just an archive.
Expand Down Expand Up @@ -1457,7 +1455,19 @@ fn add_upstream_native_libraries(cmd: &mut dyn Linker,
continue
}
match lib.kind {
NativeLibraryKind::NativeUnknown => cmd.link_dylib(&name.as_str()),
NativeLibraryKind::NativeUnknown => {
// On some targets, like Linux, linking a static executable inhibits using
// dylibs at all. Force native libraries to be static, even if for example
// an upstream rlib was originally linked against a native shared library.
if crate_type == config::CrateType::Executable
&& sess.crt_static()
&& !sess.target.target.options.crt_static_allows_dylibs
{
cmd.link_staticlib(&name.as_str())
} else {
cmd.link_dylib(&name.as_str())
}
},
NativeLibraryKind::NativeFramework => cmd.link_framework(&name.as_str()),
NativeLibraryKind::NativeStaticNobundle => {
// Link "static-nobundle" native libs only if the crate they originate from
Expand Down