Add a CMake target for clang-tidy

CMakeLists.txt

@@ -111,6 +111,20 @@ target_link_libraries (degesch ${project_libraries})
 add_executable (kike kike.c kike-replies.c ${common_sources} ${common_headers})
 target_link_libraries (kike ${project_libraries})
 
+# Various clang-based diagnostics, loads of fake positives and spam
+file (GLOB clang_tidy_sources *.c)
+set (clang_tidy_checks misc-* readability-*
+	-readability-braces-around-statements
+	-readability-named-parameter)
+string (REPLACE ";" "," clang_tidy_checks "${clang_tidy_checks}")
+
+set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
+add_custom_target (clang-tidy
+	COMMAND clang-tidy -p ${PROJECT_BINARY_DIR} -checks=${clang_tidy_checks}
+		${clang_tidy_sources} 1>&2
+	USES_TERMINAL
+	WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
+
 # Installation
 install (TARGETS zyklonb degesch kike DESTINATION ${CMAKE_INSTALL_BINDIR})
 install (FILES LICENSE DESTINATION ${CMAKE_INSTALL_DOCDIR})