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std.Target: Bump minimum glibc to 2.34 for arches migrating to 64-bit time.

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https://github.com/ziglang/zig/issues/21738#issuecomment-2822411842
This commit is contained in:
Alex Rønne Petersen 2025-04-26 14:46:36 +02:00
parent b3537d0f4a
commit 5668c8b7ba
1 changed files with 22 additions and 1 deletions
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23
lib/std/Target.zig
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@ -470,7 +470,28 @@ pub const Os = struct {
.max = .{ .major = 6, .minor = 13, .patch = 4 },
},
.glibc = blk: {
const default_min: std.SemanticVersion = .{ .major = 2, .minor = 31, .patch = 0 };
// For 32-bit targets that traditionally used 32-bit time, we require
// glibc 2.34 for full 64-bit time support. For everything else, we only
// require glibc 2.31.
const default_min: std.SemanticVersion = switch (arch) {
.arm,
.armeb,
.csky,
.m68k,
.mips,
.mipsel,
.powerpc,
.sparc,
.x86,
=> .{ .major = 2, .minor = 34, .patch = 0 },
.mips64,
.mips64el,
=> if (abi == .gnuabin32)
.{ .major = 2, .minor = 34, .patch = 0 }
else
.{ .major = 2, .minor = 31, .patch = 0 },
else => .{ .major = 2, .minor = 31, .patch = 0 },
};
for (std.zig.target.available_libcs) |libc| {
if (libc.os != tag or libc.arch != arch or libc.abi != abi) continue;