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compiler: Classify libatomic as an alias for compiler-rt.

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This is a library that ships with GCC and provides fallback implementations of
atomic intrinsics where necessary. Since we do the same in our compiler-rt
implementation, and since some build systems insist on passing -latomic even
for Clang (which zig cc masquerades as), just satisfy this dependency by way of
compiler-rt.

Closes #22165.
This commit is contained in:
Alex Rønne Petersen 2024-12-06 14:00:49 +01:00
parent c9d6f8b505
commit f8372d030e
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1 changed files with 3 additions and 1 deletions
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4
src/target.zig
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@ -267,7 +267,9 @@ pub fn classifyCompilerRtLibName(target: std.Target, name: []const u8) CompilerR
// the linker unable to find `_Unwind_RaiseException` and other related symbols.
return .both;
}
if (std.mem.eql(u8, name, "compiler_rt")) {
if (std.mem.eql(u8, name, "compiler_rt") or
std.mem.eql(u8, name, "atomic"))
{
return .only_compiler_rt;
}
if (std.mem.eql(u8, name, "unwind")) {