add modernizer fixits

CMakeLists.txt

@@ -53,6 +53,25 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
     set(warnings "/W4 /WX /EHsc")
 endif()
 
+if(ENABLE_COVERAGE)
+    include(CodeCoverage)
+    append_coverage_compiler_flags()
+    set(COVERAGE_EXCLUDES "osci-lib/scc/*" "/engr/dev/tools/*")
+endif()
+
+find_program(CLANG_TIDY_EXE NAMES "clang-tidy-9")
+if (CLANG_TIDY_EXE)
+  	message(STATUS "clang-tidy found: ${CLANG_TIDY_EXE}")
+  	set(CLANG_TIDY_CHECKS "-*,modernize-*,-modernize-use-trailing-return-type,clang-analyzer-core.*")
+  	set(CMAKE_CXX_CLANG_TIDY 
+  		${CLANG_TIDY_EXE};
+  		-checks=${CLANG_TIDY_CHECKS};
+  		-fix;)
+else()
+  	message(AUTHOR_WARNING "clang-tidy not found!")
+  	set(CMAKE_CXX_CLANG_TIDY "" CACHE STRING "" FORCE) # delete it
+endif()
+
 setup_conan()
 
 # This line finds the boost lib and headers.