add_executable(ptpoly_haines ptinpoly.h p_test.cpp ptinpoly.cpp) if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_CXX_COMPILER_ID MATCHES "Clang") target_link_libraries(ptpoly_haines FakeIrisGL m) else() target_link_libraries(ptpoly_haines FakeIrisGL) endif()