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compiler-rt: Add a comment explaining why we currently need weak linkage.

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Alex Rønne Petersen 2025-05-18 22:24:42 +02:00
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lib/compiler_rt/common.zig
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@ -3,6 +3,9 @@ const builtin = @import("builtin");
const native_endian = builtin.cpu.arch.endian(); const native_endian = builtin.cpu.arch.endian();
const ofmt_c = builtin.object_format == .c; const ofmt_c = builtin.object_format == .c;
/// For now, we prefer weak linkage because some of the routines we implement here may also be
/// provided by system/dynamic libc. Eventually we should be more disciplined about this on a
/// per-symbol, per-target basis: https://github.com/ziglang/zig/issues/11883
pub const linkage: std.builtin.GlobalLinkage = if (builtin.is_test) pub const linkage: std.builtin.GlobalLinkage = if (builtin.is_test)
.internal .internal
else if (ofmt_c) else if (ofmt_c)