From f6339b495e544ecea48e3563ea2ab5997b98d813 Mon Sep 17 00:00:00 2001
From: Thomas Arp <357770+welcor@users.noreply.github.com>
Date: Wed, 2 Jul 2025 22:34:57 +0200
Subject: [PATCH] Feature/clang tidy (#154)

* First cmake list file, simple docs.

TODO: utils folder.

* Support for building utils

* All fields except HAVE_DOPRNT in place

* Now builds and runs :)

* Added support for clang-tidy, if available.
---
 .clang-tidy    |  8 ++++++++
 CMakeLists.txt | 11 +++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 .clang-tidy

diff --git a/.clang-tidy b/.clang-tidy
new file mode 100644
index 0000000..1bae24a
--- /dev/null
+++ b/.clang-tidy
@@ -0,0 +1,8 @@
+Checks: >
+  -*,
+  clang-analyzer-*,
+  bugprone-*,
+  performance-*,
+  portability-*
+#WarningsAsErrors: '*'
+HeaderFilterRegex: 'src/.*'
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9fa9a76..78cd2af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,6 +34,17 @@ if (CMAKE_COMPILER_IS_GNUCC)
     endif()
 endif()
 
+# clang-tidy if available
+find_program(CLANG_TIDY_EXE NAMES clang-tidy)
+
+if(CLANG_TIDY_EXE AND STATIC_ANALYSIS)
+    message(STATUS "clang-tidy enabled: ${CLANG_TIDY_EXE}")
+    set(CMAKE_C_CLANG_TIDY "${CLANG_TIDY_EXE}")
+    set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+else()
+    message(WARNING "clang-tidy not found. Static analysis disabled.")
+endif()
+
 # ========== Header checks ==========
 check_include_file("fcntl.h" HAVE_FCNTL_H)
 check_include_file("errno.h" HAVE_ERRNO_H)