cmake_minimum_required(VERSION 3.15) project (ssl_test) set(PROJECT_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include ) set(TEST_SRCS ssltest.cpp ) add_executable(ssltest ${TEST_SRCS}) target_link_libraries(ssltest ${Boost_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${OPENSSL_LIBRARIES} z) target_compile_options(ssltest PRIVATE "${compiler_options}")