Merge branch 'mono:main' into main

src/CLI/Generator.cs

@@ -108,6 +108,9 @@ namespace CppSharp
             if (string.IsNullOrEmpty(options.OutputNamespace))
                 options.OutputNamespace = moduleName;
 
+            if (options.IncludeDirs.Count == 0)
+                options.IncludeDirs.Add(Path.GetDirectoryName(options.HeaderFiles.First()));
+
             SetupTargetTriple();
 
             return true;

src/Generator/Driver.cs

@@ -439,7 +439,12 @@ namespace CppSharp
             }
 
             new CleanUnitPass { Context = driver.Context }.VisitASTContext(driver.Context.ASTContext);
-            options.Modules.RemoveAll(m => m != options.SystemModule && !m.Units.GetGenerated().Any());
+            foreach (var module in options.Modules.Where(
+                         m => m != options.SystemModule && !m.Units.GetGenerated().Any()))
+            {
+                Diagnostics.Message($"Removing module {module} because no translation units are generated...");
+                options.Modules.Remove(module);
+            }
 
             if (!options.Quiet)
                 Diagnostics.Message("Processing code...");

src/Generator/Passes/CleanUnitPass.cs

@@ -31,14 +31,9 @@ namespace CppSharp.Passes
                 includeDir = ".";
             includeDir = Path.GetFullPath(includeDir);
 
-            Module module = Options.Modules.Find(
+            return Options.Modules.FirstOrDefault(
-                m => m.IncludeDirs.Any(i => Path.GetFullPath(i) == includeDir));
+                       m => m.IncludeDirs.Any(i => Path.GetFullPath(i) == includeDir)) ??
-            if (module == null)
+                   Options.Modules[1];
-            {
-                unit.ExplicitlyIgnore();
-                module = Options.Modules[1];
-            }
-            return module;
         }
 
         public override bool VisitDeclarationContext(DeclarationContext context)

src/Parser/ParserOptions.cs

@@ -240,9 +240,11 @@ namespace CppSharp.Parser
             GetUnixCompilerInfo(headersPath, out var compiler, out var longVersion, out var shortVersion);
 
             AddSystemIncludeDirs(BuiltinsDir);
-            AddArguments($"-fgnuc-version={longVersion}");
 
             var majorVersion = shortVersion.Split('.')[0];
+            // Workaround https://github.com/llvm/llvm-project/issues/53152, remove once bug is fixed.
+            AddArguments(int.Parse(majorVersion) >= 11 ? $"-fgnuc-version=10.1" : $"-fgnuc-version={longVersion}");
+
             string[] versions = { longVersion, shortVersion, majorVersion };
             string[] triples = { "x86_64-linux-gnu", "x86_64-pc-linux-gnu" };
             if (compiler == "gcc")