function(op_library TARGET) # op_library is a function to create op library. The interface is same as # cc_library. But it handle split GPU/CPU code and link some common library # for ops. set(cc_srcs) set(cu_srcs) set(op_common_deps operator op_registry) set(options "") set(oneValueArgs "") set(multiValueArgs SRCS DEPS) cmake_parse_arguments(op_library "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN}) foreach(src ${op_library_SRCS}) if (${src} MATCHES ".*\\.cu$") list(APPEND cu_srcs ${src}) elseif(${src} MATCHES ".*\\.cc$") list(APPEND cc_srcs ${src}) else() message(FATAL_ERROR "${TARGET} Source file ${src} should only be .cc or .cu") endif() endforeach() list(LENGTH cc_srcs cc_srcs_len) if (${cc_srcs_len} EQUAL 0) message(FATAL_ERROR "The op library ${TARGET} should contains at least one .cc file") endif() list(LENGTH cu_srcs cu_srcs_len) if (${cu_srcs_len} EQUAL 0) message(WARNING "The op library ${TARGET} not support GPU!") endif() if (WITH_GPU) nv_library(${TARGET} SRCS ${cc_srcs} ${cu_srcs} DEPS ${op_library_DEPS} ${op_common_deps}) else() cc_library(${TARGET} SRCS ${cc_srcs} DEPS ${op_library_DEPS} ${op_common_deps}) endif() endfunction() op_library(add_op SRCS add_op.cc add_op.cu) cc_test(add_op_test SRCS add_op_test.cc DEPS add_op)