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compiler: Define __FreeBSD_version when targeting FreeBSD libc.

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Alex Rønne Petersen 2025-05-05 14:58:13 +02:00
parent be566a4c11
commit 9e23e1d16c
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9
src/Compilation.zig
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@ -5852,6 +5852,15 @@ pub fn addCCArgs(
try argv.append(
try std.fmt.allocPrint(arena, "-D_WIN32_WINNT=0x{x:0>4}", .{minver}),
);
} else if (target.isFreeBSDLibC()) {
// https://docs.freebsd.org/en/books/porters-handbook/versions
const min_ver = target.os.version_range.semver.min;
try argv.append(try std.fmt.allocPrint(arena, "-D__FreeBSD_version={d}", .{
// We don't currently respect the minor and patch components. This wouldn't be particularly
// helpful because our abilists file only tracks major FreeBSD releases, so the link-time stub
// symbols would be inconsistent with header declarations.
min_ver.major * 100_000,
}));
}
}