# GCC 7 has issues with capturing lambdas in non-CUDA backends triggering unused parameter warnings # in libcudacxx's __destroy_at. Disable this example for GCC 7. if ( "GNU" STREQUAL "${CMAKE_CXX_COMPILER_ID}" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 8 ) set_target_properties(${example_target} PROPERTIES EXCLUDE_FROM_ALL TRUE) set_tests_properties(${example_target} PROPERTIES DISABLED TRUE) return() endif() target_compile_options( ${example_target} PRIVATE $<$: --extended-lambda> ) # This check is actually not correct, because we must check the host compiler, not the CXX compiler. # We rely on these usually being the same ;) if ( "Clang" STREQUAL "${CMAKE_CXX_COMPILER_ID}" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13 ) # When clang >= 13 is used as host compiler, we get the following warning: # nvcc_internal_extended_lambda_implementation:312:22: error: definition of implicit copy constructor for '__nv_hdl_wrapper_t, int (const int &)>' is deprecated because it has a user-declared copy assignment operator [-Werror,-Wdeprecated-copy] # 312 | __nv_hdl_wrapper_t & operator=(const __nv_hdl_wrapper_t &in) = delete; # | ^ # Let's suppress it until NVBug 4980157 is resolved. target_compile_options( ${example_target} PRIVATE $<$: -Wno-deprecated-copy> ) endif()