From e1b65ff8d211066d0856ad3535b96dcdc88e76dc Mon Sep 17 00:00:00 2001
From: Jakub Konka <kubkon@jakubkonka.com>
Date: Tue, 17 Nov 2020 13:04:25 +0100
Subject: [PATCH] stage2 macho: cleanup minimum version command

---
 src/link/MachO.zig | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/link/MachO.zig b/src/link/MachO.zig
index bfc8537342..ff90c5a6c1 100644
--- a/src/link/MachO.zig
+++ b/src/link/MachO.zig
@@ -1379,13 +1379,21 @@ pub fn populateMissingMetadata(self: *MachO) !void {
     }
     if (self.version_min_cmd_index == null) {
         self.version_min_cmd_index = @intCast(u16, self.load_commands.items.len);
+        const cmd: u32 = switch (self.base.options.target.os.tag) {
+            .macos => macho.LC_VERSION_MIN_MACOSX,
+            .ios => macho.LC_VERSION_MIN_IPHONEOS,
+            .tvos => macho.LC_VERSION_MIN_TVOS,
+            .watchos => macho.LC_VERSION_MIN_WATCHOS,
+            else => unreachable, // wrong OS
+        };
+        const ver = self.base.options.target.os.version_range.semver.min;
+        const version = ver.major << 16 | ver.minor << 8 | ver.patch;
         try self.load_commands.append(self.base.allocator, .{
-            // TODO allow for different targets and different versions
             .MinVersion = .{
-                .cmd = macho.LC_VERSION_MIN_MACOSX,
+                .cmd = cmd,
                 .cmdsize = @sizeOf(macho.version_min_command),
-                .version = 0xB0001, // 11.0.1 BigSur
-                .sdk = 0xB0001, // 11.0.1 BigSur
+                .version = version,
+                .sdk = version,
             },
         });
     }