zig

commit 948bc91d12e147b46d54d82af5e9a9bc2ce25573 (tree)
parent c339aa655e58a3ecc22f21354b2d6584509a7dbe
Author: Alex Rønne Petersen <alex@alexrp.com>
Date:   Fri,  2 Aug 2024 09:52:19 +0200

std.Target.VersionRange: Make default() respect the minimum glibc version.

Diffstat:
M
lib/std/Target.zig
 | 
16
+++++++++++++++-

1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/lib/std/Target.zig b/lib/std/Target.zig
@@ -483,7 +483,21 @@ pub const Os = struct {
                             .min = .{ .major = 4, .minor = 19, .patch = 0 },
                             .max = .{ .major = 6, .minor = 5, .patch = 7 },
                         },
-                        .glibc = .{ .major = 2, .minor = 28, .patch = 0 },
+                        .glibc = blk: {
+                            const default_min = .{ .major = 2, .minor = 28, .patch = 0 };
+
+                            for (std.zig.target.available_libcs) |libc| {
+                                // We don't know the ABI here. We can get away with not checking it
+                                // for now, but that may not always remain true.
+                                if (libc.os != tag or libc.arch != arch) continue;
+
+                                if (libc.glibc_min) |min| {
+                                    if (min.order(default_min) == .gt) break :blk min;
+                                }
+                            }
+
+                            break :blk default_min;
+                        },
                     },
                 },