From 4fa6821e0645ff61a9380cd090abff472205c630 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Sun, 29 Jun 2025 17:16:22 +0100
Subject: add clang-tidy support

---
 CMakeLists.txt | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8bf5a42..8e8b131 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,11 +7,34 @@ project(nihil)
 option(NIHIL_CONFIG	"Build the nihil.config library"	ON)
 option(NIHIL_UCL	"Build the nihil.ucl library"		ON)
 option(NIHIL_TESTS	"Build nihil's unit tests"		ON)
+option(NIHIL_TIDY	"Run clang-tidy during build"		ON)
 
 set(CMAKE_CXX_STANDARD 26)
 
 find_package(PkgConfig REQUIRED)
 
+# clang-tidy support
+find_program(CLANG_TIDY clang-tidy)
+
+if(NOT (CLANG_TIDY STREQUAL ""))
+	set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+	file(GLOB_RECURSE NIHIL_SOURCES "*.cc" "*.ccm")
+	list(FILTER NIHIL_SOURCES EXCLUDE REGEX ${CMAKE_CURRENT_BINARY_DIR})
+
+	add_custom_target(tidy COMMAND
+		${CLANG_TIDY}	-config-file=${CMAKE_CURRENT_SOURCE_DIR}/clang-tidy.conf
+				-p=${CMAKE_CURRENT_BINARY_DIR}
+				${NIHIL_SOURCES})
+	
+	if(NIHIL_TIDY)
+		set(CMAKE_CXX_CLANG_TIDY
+			${CLANG_TIDY};
+			-config-file=${CMAKE_CURRENT_SOURCE_DIR}/clang-tidy.conf;
+		)
+	endif()
+endif()
+
 add_compile_options(-W)
 add_compile_options(-Wall)
 add_compile_options(-Wextra)
-- 
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