WIP: get things compiling

Author: daurnimator

lib/std/fmt.zig

@@ -362,11 +362,15 @@ pub fn formatType(
             try output(context, "error.");
             return output(context, @errorName(value));
         },
-        .Enum => {
+        .Enum => |enumInfo| {
             if (comptime std.meta.trait.hasFn("format")(T)) {
                 return value.format(fmt, options, context, Errors, output);
             }
 
+            if (!enumInfo.is_exhaustive) {
+                return output(context, "TODO:non-exhaustive-enum");
+            }
+
             try output(context, @typeName(T));
             try output(context, ".");
             return formatType(@tagName(value), "", options, context, Errors, output, max_depth);

lib/std/os/bits/linux/errno-generic.zig

@@ -1,4 +1,4 @@
-pub const Errno = extern enum(u12) {
+pub const Errno = enum(u12) {
     /// Operation not permitted
     EPERM = 1,
 
@@ -120,8 +120,7 @@ pub const Errno = extern enum(u12) {
     ELOOP = 40,
 
     /// Operation would block
-    EWOULDBLOCK = EAGAIN,
-
+    // EWOULDBLOCK = 11, // Duplicate of EAGAIN
     /// No message of desired type
     ENOMSG = 42,
 
@@ -280,7 +279,7 @@ pub const Errno = extern enum(u12) {
 
     /// Operation not supported on transport endpoint
     EOPNOTSUPP = 95,
-    ENOTSUP = EOPNOTSUPP,
+    // ENOTSUP = 95, // Duplicate of EOPNOTSUPP
 
     /// Protocol family not supported
     EPFNOSUPPORT = 96,