From e3fec6cce91a6ad5d63f78afe96649dc2aeea6a1 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Wed, 25 Mar 2020 19:32:12 -0400
Subject: [PATCH] zig cc: add detection for `-###`

it turns on --verbose-cc and --verbose-link
---
 src-self-hosted/clang_options_data.zig | 9 ++++++++-
 src-self-hosted/stage2.zig             | 1 +
 src/main.cpp                           | 4 ++++
 src/stage2.h                           | 1 +
 tools/update_clang_options.zig         | 4 ++++
 5 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src-self-hosted/clang_options_data.zig b/src-self-hosted/clang_options_data.zig
index d94a6fd002114cd9afd61ff7d69306d1373521b6..89cf29024f85531d633f3a35eddd0f3180a59881 100644
--- a/src-self-hosted/clang_options_data.zig
+++ b/src-self-hosted/clang_options_data.zig
@@ -96,7 +96,14 @@ sepd1("Zlinker-input"),
     .pd2 = true,
     .psl = false,
 },
-flagpd1("###"),
+.{
+    .name = "###",
+    .syntax = .flag,
+    .zig_equivalent = .verbose_cmds,
+    .pd1 = true,
+    .pd2 = false,
+    .psl = false,
+},
 .{
     .name = "Brepro",
     .syntax = .flag,
diff --git a/src-self-hosted/stage2.zig b/src-self-hosted/stage2.zig
index a5ca6ccfa59a63a3558c8551151cc268658e0bdf..03cdcc5b08d1051fac17dd46e33e6698a9a3c6c2 100644
--- a/src-self-hosted/stage2.zig
+++ b/src-self-hosted/stage2.zig
@@ -1279,6 +1279,7 @@ pub const ClangArgIterator = extern struct {
         debug,
         sanitize,
         linker_script,
+        verbose_cmds,
     };
 
     fn init(argv: []const [*:0]const u8) ClangArgIterator {
diff --git a/src/main.cpp b/src/main.cpp
index b90d2bbc8cd1893d8e858bb1ebc953aaf29d5012..dd7cdead6cf61190b1abfcfc045c1c3292a431b5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -708,6 +708,10 @@ static int main0(int argc, char **argv) {
                 case Stage2ClangArgLinkerScript:
                     linker_script = it.only_arg;
                     break;
+                case Stage2ClangArgVerboseCmds:
+                    verbose_cc = true;
+                    verbose_link = true;
+                    break;
             }
         }
         // Parse linker args
diff --git a/src/stage2.h b/src/stage2.h
index 1aef0efe811142a24aa07ce4298e19806ad74707..00a3b9451ea13d255d99c483412fa7e469b33d86 100644
--- a/src/stage2.h
+++ b/src/stage2.h
@@ -341,6 +341,7 @@ enum Stage2ClangArg {
     Stage2ClangArgDebug,
     Stage2ClangArgSanitize,
     Stage2ClangArgLinkerScript,
+    Stage2ClangArgVerboseCmds,
 };
 
 // ABI warning
diff --git a/tools/update_clang_options.zig b/tools/update_clang_options.zig
index 6fd50de92ec97f57929250602cdb2a79819c382a..97be4978d23a1734446b93a57031aa54dd4afb4f 100644
--- a/tools/update_clang_options.zig
+++ b/tools/update_clang_options.zig
@@ -150,6 +150,10 @@ const known_options = [_]KnownOpt{
         .name = "T",
         .ident = "linker_script",
     },
+    .{
+        .name = "###",
+        .ident = "verbose_cmds",
+    },
 };
 
 const blacklisted_options = [_][]const u8{};
-- 
2.54.0