[ffigen] Add xcode tools llvm as default path (#389)

pkgs/ffigen/CHANGELOG.md

diff --git a/pkgs/ffigen/CHANGELOG.md b/pkgs/ffigen/CHANGELOG.md
index e5aee18..c17a0a6 100644
--- a/pkgs/ffigen/CHANGELOG.md
+++ b/pkgs/ffigen/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 5.0.1
+
+- Add a the xcode tools llvm as default path on MacOS.
+
 # 5.0.0
 
 - Stable release targeting Dart 2.17, supporting ABI-specific integer types.

pkgs/ffigen/lib/src/strings.dart

diff --git a/pkgs/ffigen/lib/src/strings.dart b/pkgs/ffigen/lib/src/strings.dart
index f3bfb79..7f0f028 100644
--- a/pkgs/ffigen/lib/src/strings.dart
+++ b/pkgs/ffigen/lib/src/strings.dart
@@ -210,6 +210,7 @@
 const macOsDylibLocations = {
   '/usr/local/opt/llvm/lib/',
   '/opt/homebrew/opt/llvm/lib/',
+  '/Library/Developer/CommandLineTools/usr/',
 };
 
 // Writen doubles.

pkgs/ffigen/pubspec.yaml

diff --git a/pkgs/ffigen/pubspec.yaml b/pkgs/ffigen/pubspec.yaml
index c054c50..d249b7b 100644
--- a/pkgs/ffigen/pubspec.yaml
+++ b/pkgs/ffigen/pubspec.yaml
@@ -3,7 +3,7 @@
 # BSD-style license that can be found in the LICENSE file.
 
 name: ffigen
-version: 5.0.0
+version: 5.0.1
 description: Generator for FFI bindings, using LibClang to parse C header files.
 repository: https://github.com/dart-lang/ffigen