Из анализа покрытия исключены системные и сгенерированные файлы

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.0)
-project(myx-cmake VERSION 0.4.0 LANGUAGES)
+project(myx-cmake VERSION 0.4.1 LANGUAGES)
 
 include(GNUInstallDirs)
 file(WRITE ${CMAKE_SOURCE_DIR}/MyxCMake/MyxCMakeConfigVersion.cmake

MyxCMake/modules/MyxCMakeCodeCoverage.cmake

@@ -17,8 +17,10 @@ function(myx_cmake_code_coverage target)
       add_custom_target(
         ${target}-coverage
         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
-        COMMAND ${LCOV_EXE} --test-name ${target} --output "${target}.lcov"
+        COMMAND ${LCOV_EXE} --test-name ${target} --output "${target}.lcov" --capture
-                --capture --directory ${CMAKE_BINARY_DIR})
+                --exclude "/usr/\\\*"
+                --exclude "${CMAKE_BINARY_DIR}/\\\*"
+                --directory ${CMAKE_BINARY_DIR})
       add_dependencies(${target}-coverage ${target})
 
       if(GENHTML_EXE)