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Fix invalid linker name in argument '-fuse-ld=ld64.lld' on macOS #516

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Fix invalid linker name in argument '-fuse-ld=ld64.lld' on macOS #516

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588592c
Fix `invalid linker name in argument '-fuse-ld=ld64.lld'` on macOS
fmeum Nov 4, 2025
8e75534
Fix extraction of linker path from clang output
fmeum Nov 4, 2025
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9 changes: 7 additions & 2 deletions cc/private/toolchain/unix_cc_configure.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -196,8 +196,13 @@ def _find_linker_path(repository_ctx, cc, linker, is_clang):

# Extract linker path from:
# /usr/bin/clang ...
# "/usr/bin/ld.lld" -pie -z ...
linker_command = result.stderr.splitlines()[-1]
# "/usr/bin/ld.lld" -pie -z ...
# We use the leading space and quoted path to find invocations.
# https://github.com/llvm/llvm-project/blob/85c78274358717e4d5d019a801decba5c1add484/clang/lib/Driver/Job.cpp#L207-L209
invocations = [line for line in result.stderr.splitlines() if line.startswith(" \"")]
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if not invocations:
return linker
linker_command = invocations[-1]
return linker_command.strip().split(" ")[0].strip("\"'")

def _add_compiler_option_if_supported(repository_ctx, cc, option):
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