CMake transitive compile dependency

Moving to more target focusing code that provides better transitive scope

test/CMakeLists.txt

@@ -9,9 +9,6 @@ if(EXISTS ${googleTest_Dir})
 else()
 	message(FATAL_ERROR "No googletest src dir found!")
 endif()
-include_directories(${GTestSrc} ${GTestSrc}/include ${GMockSrc} ${GMockSrc}/include)
-include_directories(${CMAKE_HOME_DIRECTORY} ${CMAKE_HOME_DIRECTORY}/include ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_HOME_DIRECTORY}/test)
-include_directories(${Boost_INCLUDE_DIRS} ${ZLIB_INCLUDE_DIR})
 
 set(test_SRCS
  		StdInc.cpp
@@ -114,6 +111,14 @@ add_subdirectory_with_folder("3rdparty" googletest EXCLUDE_FROM_ALL)
 add_executable(vcmitest ${test_SRCS} ${test_HEADERS} ${mock_HEADERS} ${GTestSrc}/src/gtest-all.cc ${GMockSrc}/src/gmock-all.cc)
 target_link_libraries(vcmitest vcmi ${RT_LIB} ${DL_LIB})
 
+target_include_directories(
+		PUBLIC	${CMAKE_CURRENT_SOURCE_DIR}
+		PRIVATE	${GTestSrc}
+		PRIVATE	${GTestSrc}/include
+		PRIVATE	${GMockSrc}
+		PRIVATE	${GMockSrc}/include
+)
+
 if(FALSE AND NOT ${CMAKE_VERSION} VERSION_LESS "3.10.0")
 	# Running tests one by one using ctest not recommended due to vcmi having
 	# slow global initialization.