build: update tests to make them work (again) with cr

test/CMakeLists.txt

@@ -116,13 +116,12 @@ function(SETUP_LIB_PLUGIN_TEST TEST_NAME SUB_PATH)
     add_library(_${TARGET_NAME} MODULE $<TARGET_OBJECTS:odr> lib/${TEST_NAME}/${SUB_PATH}/plugin.cpp)
     SETUP_TARGET(_${TARGET_NAME} ${ARGVN})
     SETUP_BASIC_TEST(lib_${TARGET_NAME} lib/${TEST_NAME}/${SUB_PATH}/main.cpp PLUGIN="$<TARGET_FILE:_${TARGET_NAME}>" ${ARGVN})
+    target_link_libraries(_${TARGET_NAME} PRIVATE cr::cr)
+    target_link_libraries(lib_${TARGET_NAME} PRIVATE cr::cr ${CMAKE_DL_LIBS})
     set_target_properties(_${TARGET_NAME} PROPERTIES CXX_CLANG_TIDY "")
     set_target_properties(lib_${TARGET_NAME} PROPERTIES CXX_CLANG_TIDY "")
-    target_include_directories(_${TARGET_NAME} PRIVATE ${cr_INCLUDE_DIR})
-    target_include_directories(lib_${TARGET_NAME} PRIVATE ${cr_INCLUDE_DIR})
     target_compile_options(_${TARGET_NAME} PRIVATE $<$<NOT:$<STREQUAL:"${CMAKE_CXX_COMPILER_ID}","MSVC">>:-Wno-conversion>)
     target_compile_options(lib_${TARGET_NAME} PRIVATE $<$<NOT:$<STREQUAL:"${CMAKE_CXX_COMPILER_ID}","MSVC">>:-Wno-conversion>)
-    target_link_libraries(lib_${TARGET_NAME} PRIVATE ${CMAKE_DL_LIBS})
     add_dependencies(lib_${TARGET_NAME} _${TARGET_NAME})
 endfunction()
 
@@ -152,12 +151,9 @@ if(ENTT_BUILD_LIB)
         GIT_SHALLOW 1
     )
 
-    FetchContent_GetProperties(cr)
+    FetchContent_MakeAvailable(cr)
 
-    if(NOT cr_POPULATED)
-        FetchContent_Populate(cr)
-        set(cr_INCLUDE_DIR ${cr_SOURCE_DIR})
-    endif()
+    add_library(cr::cr ALIAS cr)
 
     SETUP_LIB_SHARED_TEST(dispatcher shared)
     SETUP_LIB_PLUGIN_TEST(dispatcher plugin)