cmake_minimum_required(VERSION 3.5) project(TestFindGIF C) include(CTest) find_package(GIF REQUIRED) add_definitions(-DCMAKE_EXPECTED_GIF_VERSION="${GIF_VERSION}") add_executable(test_tgt main.c) target_link_libraries(test_tgt GIF::GIF) add_test(NAME test_tgt COMMAND test_tgt) add_executable(test_var main.c) target_include_directories(test_var PRIVATE ${GIF_INCLUDE_DIRS}) target_link_libraries(test_var PRIVATE ${GIF_LIBRARIES}) add_test(NAME test_var COMMAND test_var)