aokblast wrote:
> What is the motivation for this? We have been installing LLD as ld on FreeBSD
> for about ten years, setting the default to ld.lld seems like it will make it
> harder to move to a different linker in the future for no benefit.
It doesn’t behave as we originally expected. When the linker name is ld, the
toolchain applies special handling: it prefers invoking ${triple}-${linker}
over ${linker}, rather than resolving ld via the usual path lookup. As a
result, if GNU ld is installed via the package system, it takes
precedence—since ${triple}-ld is found first in the search path—effectively
overriding ld.lld.
See:
https://github.com/llvm/llvm-project/blob/82442a58c054611219385528f06a05bf1eb19215/clang/lib/Driver/ToolChain.cpp#L1111
See:
https://github.com/llvm/llvm-project/blob/82442a58c054611219385528f06a05bf1eb19215/clang/lib/Driver/Driver.cpp#L6794
https://github.com/llvm/llvm-project/pull/190596
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