From c0b2813e0468586faee5bf3ee7583afad53d771a Mon Sep 17 00:00:00 2001
From: redj <redj@users.noreply.github.com>
Date: Fri, 9 Oct 2020 23:09:36 -0400
Subject: [PATCH] tools/update_clang_options: add zig run usage example. fix
 src-self-hosted path. (#6635)

* tools/update_clang_options: fix src-self-hosted path now simply src.

* tools/update_clang_options: add zig run usage example.
---
 tools/update_clang_options.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/update_clang_options.zig b/tools/update_clang_options.zig
index 9510b6a075..3d8e4eed44 100644
--- a/tools/update_clang_options.zig
+++ b/tools/update_clang_options.zig
@@ -601,8 +601,9 @@ fn objectLessThan(context: void, a: *json.ObjectMap, b: *json.ObjectMap) bool {
 fn usageAndExit(file: fs.File, arg0: []const u8, code: u8) noreturn {
     file.outStream().print(
         \\Usage: {} /path/to/llvm-tblgen /path/to/git/llvm/llvm-project
+        \\Alternative Usage: zig run /path/to/git/zig/tools/update_clang_options.zig -- /path/to/llvm-tblgen /path/to/git/llvm/llvm-project
         \\
-        \\Prints to stdout Zig code which you can use to replace the file src-self-hosted/clang_options_data.zig.
+        \\Prints to stdout Zig code which you can use to replace the file src/clang_options_data.zig.
         \\
     , .{arg0}) catch std.process.exit(1);
     std.process.exit(code);