diff --git a/CMakeLists.txt b/CMakeLists.txt
index 06c2c01..68257df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -76,7 +76,7 @@ endif()
 # The set option will be converted to uppercase letters by cmake!! --> ON/OFF
 # Note that the help string (second argument) cannot be printed by cmake.
 #
-option(BUILD_TESTS "Specify whether tests should be built" OFF)
+option(BUILD_TESTS "Specify whether tests should be built" ON)
 option(BUILD_EXAMPLES "Specify whether examples should be built" OFF)
 option(USE_EXCEPTIONS "Specify whether exceptions should be activated in C++" ON)
 option(INSTALL_DOCS "Specify whether Doxygen docs should be installed" ON)
@@ -105,6 +105,7 @@ endif()
 message("   (set with command line option -DUSE_AUTOMATIC_INITIALIZATION=ON/OFF)")
 
 
+#include the directory of the FreeRTOS library
 include_directories(${FREE_RTOS_LIB_PATH}/include)
 
 
diff --git a/TC_Toolchain.cmake b/TC_Toolchain.cmake
index 6b16744..109479c 100644
--- a/TC_Toolchain.cmake
+++ b/TC_Toolchain.cmake
@@ -17,7 +17,7 @@ SET(CMAKE_CXX_COMPILER C:/HighTec/toolchains/tricore/v4.6.6.0-infineon-1.1/bin/t
 SET(CMAKE_FIND_ROOT_PATH  C:/HighTec/toolchains/tricore/v4.6.6.0-infineon-1.1)
 
 
-SET(FREE_RTOS_LIB_PATH C:/data/projekte/freeRTOS_lib/)
+SET(FREE_RTOS_LIB_PATH C:/Data/Projekte/FreeRTOS_TC27x/)
 
 # search for programs in the build host directories
 SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
diff --git a/base_c/src/core_set.c b/base_c/src/core_set.c
index 0b27a3f..deec0a5 100644
--- a/base_c/src/core_set.c
+++ b/base_c/src/core_set.c
@@ -149,7 +149,7 @@ void embb_core_set_init(embb_core_set_t* core_set, int initializer) { // scm3468
 }
 
 
-#endif EMBB_PLATFORM_THREADING_RTOSTASKS
+#endif /* EMBB_PLATFORM_THREADING_RTOSTASKS */
 
 void embb_core_set_add(embb_core_set_t* core_set, unsigned int core_number) {
   assert(core_set != NULL);
diff --git a/base_cpp/src/duration.cc b/base_cpp/src/duration.cc
index 2870ef8..fd146e0 100644
--- a/base_cpp/src/duration.cc
+++ b/base_cpp/src/duration.cc
@@ -141,7 +141,7 @@ unsigned long long internal::Microseconds::Max() {
 #if EMBB_DURATION_MAX_SECONDS < ULLONG_MAX / 1000000
   return ULLONG_MAX;
 #else
-  return EMBB_DURATION_MAX_SECONDS * 1000000;
+  return EMBB_DURATION_MAX_SECONDS * 1000000; // sc: warning integer overflow
 #endif
 }