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In https://github.com/llvm/llvm-project/pull/88323, I changed the logic within `add_compiler_rt_runtime` to only explicitly code sign the resulting library if an older version of Apple's ld64 was in use. This was based on the assumption that newer versions of ld64 and the new Apple linker always ad-hoc sign their output binaries. This is true in most cases, but not when using Apple's new linker with the `-darwin-target-variant` flag to build Mac binaries that are compatible with Catalyst. Rather than adding increasingly complicated logic to detect the exact scenarios that require explicit code signing, I've opted to always explicitly code sign when using any Apple linker. We instead detect and use the 'linker-signed' codesigning option when possible to match the signatures that the linker would otherwise create. This avoids having non-'linker-signed' ad-hoc signatures which was the underlying problem that https://github.com/llvm/llvm-project/pull/88323 was intended to address. Co-authored-by: Mark Rowe <markrowe@chromium.org>
Compiler-RT ================================ This directory and its subdirectories contain source code for the compiler support routines. Compiler-RT is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. ================================