Support cJSON_Utils library in CMakeLists.txt

Signed-off-by: NAnton Sergeev <Anton.Sergeev@elecard.ru>

CMakeLists.txt

 cmake_minimum_required(VERSION 2.8)
 
-set(PROJECT cJSON)
+set(PROJ_CJSON cJSON)
 
-project(${PROJECT} C)
+project(${PROJ_CJSON} C)
 
 file(GLOB HEADERS cJSON.h)
 set(SOURCES cJSON.c)
 
-add_library(${PROJECT} STATIC ${HEADERS} ${SOURCES})
-target_link_libraries(${PROJECT} m)
+add_library(${PROJ_CJSON} STATIC ${HEADERS} ${SOURCES})
+target_link_libraries(${PROJ_CJSON} m)
 
-add_library(${PROJECT}.shared SHARED ${HEADERS} ${SOURCES})
-set_target_properties(${PROJECT}.shared PROPERTIES OUTPUT_NAME cJSON)
-target_link_libraries(${PROJECT}.shared m)
+add_library(${PROJ_CJSON}.shared SHARED ${HEADERS} ${SOURCES})
+set_target_properties(${PROJ_CJSON}.shared PROPERTIES OUTPUT_NAME cJSON)
+target_link_libraries(${PROJ_CJSON}.shared m)
+
+
+set(PROJ_CJSON_UTILS cJSON_utils)
+
+project(${PROJ_CJSON_UTILS} C)
+
+file(GLOB HEADERS_UTILS cJSON_Utils.h)
+set(SOURCES_UTILS cJSON_Utils.c)
+
+add_library(${PROJ_CJSON_UTILS} STATIC ${HEADERS_UTILS} ${SOURCES_UTILS})
+target_link_libraries(${PROJ_CJSON_UTILS} ${PROJ_CJSON})
+
+add_library(${PROJ_CJSON_UTILS}.shared SHARED ${HEADERS_UTILS} ${SOURCES_UTILS})
+set_target_properties(${PROJ_CJSON_UTILS}.shared PROPERTIES OUTPUT_NAME cJSON_utils)
+target_link_libraries(${PROJ_CJSON_UTILS}.shared ${PROJ_CJSON}.shared)
 
 
 option(ENABLE_CJSON_TEST "Enable building cJSON test" OFF)
 if(ENABLE_CJSON_TEST)
-	set(TEST_NAME cJSON_test)
-	add_executable(${TEST_NAME} test.c)
-	target_link_libraries(${TEST_NAME} ${PROJECT})
+	set(TEST_CJSON cJSON_test)
+	add_executable(${TEST_CJSON} test.c)
+	target_link_libraries(${TEST_CJSON} ${PROJ_CJSON}.shared)
+
+	set(TEST_CJSON_UTILS cJSON_test_utils)
+	add_executable(${TEST_CJSON_UTILS} test_utils.c)
+	target_link_libraries(${TEST_CJSON_UTILS} ${PROJ_CJSON_UTILS}.shared)
 endif()