From dc743a23ce4c8d969d85482d18752a3e7c4d5596 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Matos?= <joao@tritao.eu>
Date: Tue, 30 May 2023 16:04:11 +0100
Subject: [PATCH 1/2] Fix module being ignored when it cannot be found based on
 include dir. (#1736)

---
 src/CLI/Generator.cs                  |  3 +++
 src/Generator/Driver.cs               |  7 ++++++-
 src/Generator/Passes/CleanUnitPass.cs | 11 +++--------
 3 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/CLI/Generator.cs b/src/CLI/Generator.cs
index ed215001..58db9ac7 100644
--- a/src/CLI/Generator.cs
+++ b/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;
diff --git a/src/Generator/Driver.cs b/src/Generator/Driver.cs
index 29e36d96..82780bfa 100644
--- a/src/Generator/Driver.cs
+++ b/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...");
diff --git a/src/Generator/Passes/CleanUnitPass.cs b/src/Generator/Passes/CleanUnitPass.cs
index 4d1b3750..ef02a4c7 100644
--- a/src/Generator/Passes/CleanUnitPass.cs
+++ b/src/Generator/Passes/CleanUnitPass.cs
@@ -31,14 +31,9 @@ namespace CppSharp.Passes
                 includeDir = ".";
             includeDir = Path.GetFullPath(includeDir);
 
-            Module module = Options.Modules.Find(
-                m => m.IncludeDirs.Any(i => Path.GetFullPath(i) == includeDir));
-            if (module == null)
-            {
-                unit.ExplicitlyIgnore();
-                module = Options.Modules[1];
-            }
-            return module;
+            return Options.Modules.FirstOrDefault(
+                       m => m.IncludeDirs.Any(i => Path.GetFullPath(i) == includeDir)) ??
+                   Options.Modules[1];
         }
 
         public override bool VisitDeclarationContext(DeclarationContext context)

From 02725320fd14bf1d236f75c7f6ad8b6217b71a9e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Matos?= <joao@tritao.eu>
Date: Tue, 30 May 2023 16:39:37 +0100
Subject: [PATCH 2/2] Workaround parsing GNU system headers with GCC 11.0
 version. (#1737)

Closes https://github.com/mono/CppSharp/issues/1703.

Upstream bugs:

  https://github.com/llvm/llvm-project/issues/51607
  https://github.com/llvm/llvm-project/issues/53152
---
 src/Parser/ParserOptions.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Parser/ParserOptions.cs b/src/Parser/ParserOptions.cs
index cde493bd..7cda0375 100644
--- a/src/Parser/ParserOptions.cs
+++ b/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")