build FEATURE provide locally generated code coverage report

adds build target coverage to generate code coverage report
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ad549c..656015a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,9 +30,11 @@
 if((CMAKE_BUILD_TYPE STREQUAL debug) OR (CMAKE_BUILD_TYPE STREQUAL Package))
     option(ENABLE_BUILD_TESTS "Build tests" ON)
     option(ENABLE_VALGRIND_TESTS "Build tests with valgrind" ON)
+    option(ENABLE_COVERAGE "Build code coverage report from tests" ON)
 else()
     option(ENABLE_BUILD_TESTS "Build tests" OFF)
     option(ENABLE_VALGRIND_TESTS "Build tests with valgrind" OFF)
+    option(ENABLE_COVERAGE "Build code coverage report from tests" OFF)
 endif()
 #option(ENABLE_CALLGRIND_TESTS "Build performance tests to be run with callgrind" OFF)