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onnxruntime_webassembly.cmake
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# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License.
function(bundle_static_library bundled_target_name)
function(recursively_collect_dependencies input_target)
set(input_link_libraries LINK_LIBRARIES)
get_target_property(input_type ${input_target} TYPE)
if (${input_type} STREQUAL "INTERFACE_LIBRARY")
set(input_link_libraries INTERFACE_LINK_LIBRARIES)
endif()
get_target_property(public_dependencies ${input_target} ${input_link_libraries})
foreach(dependency IN LISTS public_dependencies)
if(TARGET ${dependency})
get_target_property(alias ${dependency} ALIASED_TARGET)
if (TARGET ${alias})
set(dependency ${alias})
endif()
get_target_property(type ${dependency} TYPE)
if (${type} STREQUAL "STATIC_LIBRARY")
list(APPEND static_libs ${dependency})
endif()
get_property(library_already_added GLOBAL PROPERTY ${target_name}_static_bundle_${dependency})
if (NOT library_already_added)
set_property(GLOBAL PROPERTY ${target_name}_static_bundle_${dependency} ON)
recursively_collect_dependencies(${dependency})
endif()
endif()
endforeach()
set(static_libs ${static_libs} PARENT_SCOPE)
endfunction()
foreach(target_name IN ITEMS ${ARGN})
list(APPEND static_libs ${target_name})
recursively_collect_dependencies(${target_name})
endforeach()
list(REMOVE_DUPLICATES static_libs)
set(bundled_target_full_name
${CMAKE_BINARY_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}${bundled_target_name}${CMAKE_STATIC_LIBRARY_SUFFIX})
file(WRITE ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar.in
"CREATE ${bundled_target_full_name}\n" )
foreach(target IN LISTS static_libs)
file(APPEND ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar.in
"ADDLIB $<TARGET_FILE:${target}>\n")
endforeach()
file(APPEND ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar.in "SAVE\n")
file(APPEND ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar.in "END\n")
file(GENERATE
OUTPUT ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar
INPUT ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar.in)
set(ar_tool ${CMAKE_AR})
if (CMAKE_INTERPROCEDURAL_OPTIMIZATION)
set(ar_tool ${CMAKE_CXX_COMPILER_AR})
endif()
add_custom_command(
COMMAND ${ar_tool} -M < ${CMAKE_BINARY_DIR}/${bundled_target_name}.ar
OUTPUT ${bundled_target_full_name}
COMMENT "Bundling ${bundled_target_name}"
VERBATIM)
add_custom_target(bundling_target ALL DEPENDS ${bundled_target_full_name})
foreach(target_name IN ITEMS ${ARGN})
add_dependencies(bundling_target ${target_name})
endforeach()
add_library(${bundled_target_name} STATIC IMPORTED GLOBAL)
set_target_properties(${bundled_target_name}
PROPERTIES
IMPORTED_LOCATION ${bundled_target_full_name})
foreach(target_name IN ITEMS ${ARGN})
set_property(TARGET ${bundled_target_name} APPEND
PROPERTY INTERFACE_INCLUDE_DIRECTORIES $<TARGET_PROPERTY:${target_name},INTERFACE_INCLUDE_DIRECTORIES>)
set_property(TARGET ${bundled_target_name} APPEND
PROPERTY INTERFACE_COMPILE_DEFINITIONS $<TARGET_PROPERTY:${target_name},INTERFACE_COMPILE_DEFINITIONS>)
endforeach()
add_dependencies(${bundled_target_name} bundling_target)
endfunction()
if (NOT onnxruntime_ENABLE_WEBASSEMBLY_THREADS)
add_compile_definitions(
BUILD_MLAS_NO_ONNXRUNTIME
)
# Override re2 compiler options to remove -pthread
set_property(TARGET re2 PROPERTY COMPILE_OPTIONS )
endif()
if (NOT onnxruntime_USE_VCPKG)
target_compile_options(onnx PRIVATE -Wno-unused-parameter -Wno-unused-variable)
endif()
if (onnxruntime_BUILD_WEBASSEMBLY_STATIC_LIB)
bundle_static_library(onnxruntime_webassembly
${PROTOBUF_LIB}
onnx
onnx_proto
onnxruntime_common
onnxruntime_lora
onnxruntime_flatbuffers
onnxruntime_framework
onnxruntime_graph
onnxruntime_mlas
onnxruntime_optimizer
onnxruntime_providers
${PROVIDERS_JS}
${PROVIDERS_XNNPACK}
${PROVIDERS_WEBNN}
${PROVIDERS_WEBGPU}
onnxruntime_session
onnxruntime_util
re2::re2
)
if (onnxruntime_ENABLE_TRAINING)
bundle_static_library(onnxruntime_webassembly tensorboard)
endif()
if (onnxruntime_BUILD_UNIT_TESTS)
file(GLOB_RECURSE onnxruntime_webassembly_test_src CONFIGURE_DEPENDS
"${ONNXRUNTIME_ROOT}/test/wasm/test_main.cc"
"${ONNXRUNTIME_ROOT}/test/wasm/test_inference.cc"
)
source_group(TREE ${REPO_ROOT} FILES ${onnxruntime_webassembly_test_src})
add_executable(onnxruntime_webassembly_test
${onnxruntime_webassembly_test_src}
)
set_target_properties(onnxruntime_webassembly_test PROPERTIES LINK_FLAGS
"-s ALLOW_MEMORY_GROWTH=1 -s \"EXPORTED_RUNTIME_METHODS=['FS']\" --preload-file ${CMAKE_CURRENT_BINARY_DIR}/testdata@/testdata -s EXIT_RUNTIME=1"
)
target_link_libraries(onnxruntime_webassembly_test PUBLIC
onnxruntime_webassembly
GTest::gtest
)
find_program(NODE_EXECUTABLE node required)
if (NOT NODE_EXECUTABLE)
message(FATAL_ERROR "Node is required for a test")
endif()
add_test(NAME onnxruntime_webassembly_test
COMMAND ${NODE_EXECUTABLE} onnxruntime_webassembly_test.js
WORKING_DIRECTORY $<TARGET_FILE_DIR:onnxruntime_webassembly_test>
)
endif()
else()
file(GLOB_RECURSE onnxruntime_webassembly_src CONFIGURE_DEPENDS
"${ONNXRUNTIME_ROOT}/wasm/api.cc"
)
source_group(TREE ${REPO_ROOT} FILES ${onnxruntime_webassembly_src})
add_executable(onnxruntime_webassembly
${onnxruntime_webassembly_src}
)
if (onnxruntime_ENABLE_WEBASSEMBLY_API_EXCEPTION_CATCHING)
# we catch exceptions at the api level
file(GLOB_RECURSE onnxruntime_webassembly_src_exc CONFIGURE_DEPENDS
"${ONNXRUNTIME_ROOT}/wasm/api.cc"
"${ONNXRUNTIME_ROOT}/core/session/onnxruntime_c_api.cc"
)
set (WASM_API_EXCEPTION_CATCHING "-s DISABLE_EXCEPTION_CATCHING=0")
message(STATUS "onnxruntime_ENABLE_WEBASSEMBLY_EXCEPTION_CATCHING_ON_API set")
set_source_files_properties(${onnxruntime_webassembly_src_exc} PROPERTIES COMPILE_FLAGS ${WASM_API_EXCEPTION_CATCHING})
endif()
target_link_libraries(onnxruntime_webassembly PRIVATE
${PROTOBUF_LIB}
onnx
onnx_proto
onnxruntime_common
onnxruntime_lora
onnxruntime_flatbuffers
onnxruntime_framework
onnxruntime_graph
onnxruntime_mlas
onnxruntime_optimizer
onnxruntime_providers
${PROVIDERS_JS}
${PROVIDERS_XNNPACK}
${PROVIDERS_WEBNN}
${PROVIDERS_WEBGPU}
onnxruntime_session
onnxruntime_util
re2::re2
)
set(EXPORTED_RUNTIME_METHODS "'stackAlloc','stackRestore','stackSave','UTF8ToString','stringToUTF8','lengthBytesUTF8','getValue','setValue'")
if (onnxruntime_USE_XNNPACK)
target_link_libraries(onnxruntime_webassembly PRIVATE XNNPACK)
string(APPEND EXPORTED_RUNTIME_METHODS ",'addFunction'")
target_link_options(onnxruntime_webassembly PRIVATE "SHELL:-s ALLOW_TABLE_GROWTH=1")
endif()
if(onnxruntime_USE_WEBNN)
target_link_libraries(onnxruntime_webassembly PRIVATE onnxruntime_providers_webnn)
endif()
if (onnxruntime_ENABLE_TRAINING)
target_link_libraries(onnxruntime_webassembly PRIVATE tensorboard)
endif()
set(onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/pre.js")
set(EXPORTED_FUNCTIONS "_malloc,_free")
if (onnxruntime_USE_JSEP)
string(APPEND EXPORTED_FUNCTIONS ",_JsepOutput,_JsepGetNodeName")
endif()
if (onnxruntime_USE_WEBGPU)
string(APPEND EXPORTED_FUNCTIONS ",_wgpuBufferRelease,_wgpuCreateInstance")
endif()
if (onnxruntime_ENABLE_WEBASSEMBLY_MEMORY64)
set(MAXIMUM_MEMORY "17179869184")
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s MEMORY64=1"
)
string(APPEND CMAKE_C_FLAGS " -sMEMORY64 -Wno-experimental")
string(APPEND CMAKE_CXX_FLAGS " -sMEMORY64 -Wno-experimental")
set(SMEMORY_FLAG "-sMEMORY64")
target_compile_options(onnx PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_common PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_session PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_framework PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(nsync_cpp PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnx_proto PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
# target_compile_options(protoc PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(libprotobuf-lite PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_providers PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_optimizer PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_mlas PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_optimizer PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_graph PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_flatbuffers PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(onnxruntime_util PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(re2 PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_private_handle_accessor PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_commandlineflag PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_commandlineflag_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_marshalling PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_reflection PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_config PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_flags_program_name PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_cord PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_cordz_info PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_cord_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_cordz_functions PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_cordz_handle PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_crc_cord_state PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_crc32c PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_crc_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_crc_cpu_detect PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_raw_hash_set PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_hashtablez_sampler PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_exponential_biased PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_conditions PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_check_op PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_message PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_format PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_str_format_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_log_sink_set PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_globals PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_sink PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_entry PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_globals PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_hash PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_city PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_low_level_hash PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_bad_variant_access PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_vlog_config_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_synchronization PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_kernel_timeout_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_time PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_time_zone PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_civil_time PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_graphcycles_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_bad_optional_access PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_fnmatch PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_examine_stack PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_symbolize PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_malloc_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_demangle_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_demangle_rust PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_decode_rust_punycode PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_utf8_for_code_point PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_stacktrace PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_debugging_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_proto PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_strerror PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_internal_nullguard PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_strings PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_strings_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_int128 PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_string_view PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_base PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_spinlock_wait PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_throw_delegate PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_raw_logging_internal PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(absl_log_severity PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
if (onnxruntime_USE_EXTENSIONS)
target_compile_options(ortcustomops PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(ocos_operators PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
target_compile_options(noexcep_operators PRIVATE ${SMEMORY_FLAG} -Wno-experimental)
endif()
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:--post-js \"${ONNXRUNTIME_ROOT}/wasm/js_post_js_64.js\""
)
list(APPEND onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/js_post_js_64.js")
else ()
set(MAXIMUM_MEMORY "4294967296")
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:--post-js \"${ONNXRUNTIME_ROOT}/wasm/js_post_js.js\""
)
list(APPEND onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/js_post_js.js")
endif ()
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s EXPORTED_RUNTIME_METHODS=[${EXPORTED_RUNTIME_METHODS}]"
"SHELL:-s EXPORTED_FUNCTIONS=${EXPORTED_FUNCTIONS}"
"SHELL:-s MAXIMUM_MEMORY=${MAXIMUM_MEMORY}"
"SHELL:-s EXIT_RUNTIME=0"
"SHELL:-s ALLOW_MEMORY_GROWTH=1"
"SHELL:-s MODULARIZE=1"
"SHELL:-s EXPORT_ALL=0"
"SHELL:-s VERBOSE=0"
"SHELL:-s FILESYSTEM=0"
"SHELL:-s INCOMING_MODULE_JS_API=[locateFile,instantiateWasm,wasmBinary]"
"SHELL:-s WASM_BIGINT=1"
${WASM_API_EXCEPTION_CATCHING}
--no-entry
"SHELL:--pre-js \"${ONNXRUNTIME_ROOT}/wasm/pre.js\""
)
if (onnxruntime_ENABLE_WEBASSEMBLY_MEMORY64)
set(SIGNATURE_CONVERSIONS "OrtRun:_pppppppp,\
OrtRunWithBinding:_ppppp,\
OrtGetTensorData:_ppppp,\
OrtCreateTensor:p_pppp_,\
OrtCreateSession:pppp,\
OrtReleaseSession:_p,\
OrtGetInputOutputCount:_ppp,\
OrtCreateSessionOptions:pp__p_ppppp,\
OrtReleaseSessionOptions:_p,\
OrtAppendExecutionProvider:_pp,\
OrtAddSessionConfigEntry:_ppp,\
OrtGetInputName:ppp,\
OrtGetOutputName:ppp,\
OrtCreateRunOptions:ppp_p,\
OrtReleaseRunOptions:_p,\
OrtReleaseTensor:_p,\
OrtFree:_p,\
OrtCreateBinding:_p,\
OrtBindInput:_ppp,\
OrtBindOutput:_ppp_,\
OrtClearBoundOutputs:_p,\
OrtReleaseBinding:_p,\
OrtGetLastError:_pp,\
JsepOutput:pp_p,\
JsepGetNodeName:pp,\
JsepOutput:pp_p,\
jsepCopy:_pp_,\
jsepCopyAsync:_pp_,\
jsepDownload:_pp_")
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s ERROR_ON_UNDEFINED_SYMBOLS=0"
"SHELL:-s SIGNATURE_CONVERSIONS='${SIGNATURE_CONVERSIONS}'"
)
endif ()
if (onnxruntime_USE_JSEP)
# NOTE: "-s ASYNCIFY=1" is required for JSEP to work with WebGPU
# This flag allows async functions to be called from sync functions, in the cost of binary size and
# build time. See https://emscripten.org/docs/porting/asyncify.html for more details.
target_compile_definitions(onnxruntime_webassembly PRIVATE USE_JSEP=1)
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:--pre-js \"${ONNXRUNTIME_ROOT}/wasm/pre-jsep.js\""
)
list(APPEND onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/pre-jsep.js")
if (onnxruntime_ENABLE_WEBASSEMBLY_MEMORY64)
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s ASYNCIFY_EXPORTS=['OrtRun']"
"SHELL:-s ASYNCIFY_IMPORTS=['Module.jsepCopy','Module.jsepCopyAsync','jsepDownload']"
)
endif()
endif()
if (onnxruntime_USE_WEBGPU)
target_compile_definitions(onnxruntime_webassembly PRIVATE USE_WEBGPU=1)
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:--post-js \"${ONNXRUNTIME_ROOT}/wasm/post-webgpu.js\""
)
list(APPEND onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/post-webgpu.js")
endif()
if (onnxruntime_USE_JSEP OR onnxruntime_USE_WEBGPU OR onnxruntime_USE_WEBNN)
# if any of the above is enabled, we need to use the asyncify library
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:--pre-js \"${ONNXRUNTIME_ROOT}/wasm/pre-async.js\""
"SHELL:-s ASYNCIFY=1"
"SHELL:-s ASYNCIFY_STACK_SIZE=65536"
)
list(APPEND onnxruntime_webassembly_script_deps "${ONNXRUNTIME_ROOT}/wasm/pre-async.js")
endif()
if (onnxruntime_EMSCRIPTEN_SETTINGS)
foreach(setting IN LISTS onnxruntime_EMSCRIPTEN_SETTINGS)
target_link_options(onnxruntime_webassembly PRIVATE "SHELL:-s ${setting}")
endforeach()
endif()
if (CMAKE_BUILD_TYPE STREQUAL "Debug")
if (CMAKE_CXX_FLAGS MATCHES "sanitize=address")
# The integer value below might often need be adjusted.
target_link_options(onnxruntime_webassembly PRIVATE "-sINITIAL_MEMORY=786432000")
target_link_options(onnxruntime_webassembly PRIVATE "-sASSERTIONS=2")
else()
# Enable SAFE_HEAP in debug build
target_link_options(onnxruntime_webassembly PRIVATE
# NOTE: use "SHELL:-s ASSERTIONS=2" to enable more strict assertions, which may help debugging segfaults.
# However, it may be very slow.
# "SHELL:-s ASSERTIONS=2"
"SHELL:-s ASSERTIONS=1"
"SHELL:-s SAFE_HEAP=1"
"SHELL:-s STACK_OVERFLOW_CHECK=2"
)
endif()
else()
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s ASSERTIONS=0"
"SHELL:-s SAFE_HEAP=0"
"SHELL:-s STACK_OVERFLOW_CHECK=0"
--closure 1
)
endif()
if (onnxruntime_USE_WEBNN)
set_property(TARGET onnxruntime_webassembly APPEND_STRING PROPERTY LINK_FLAGS " --bind")
if (onnxruntime_DISABLE_RTTI)
set_property(TARGET onnxruntime_webassembly APPEND_STRING PROPERTY LINK_FLAGS " -fno-rtti -DEMSCRIPTEN_HAS_UNBOUND_TYPE_NAMES=0")
endif()
endif()
# Set link flag to enable exceptions support, this will override default disabling exception throwing behavior when disable exceptions.
if (NOT onnxruntime_ENABLE_WEBASSEMBLY_MEMORY64)
target_link_options(onnxruntime_webassembly PRIVATE "SHELL:-s DISABLE_EXCEPTION_THROWING=0")
endif()
if (onnxruntime_ENABLE_WEBASSEMBLY_PROFILING)
target_link_options(onnxruntime_webassembly PRIVATE --profiling --profiling-funcs)
endif()
if (onnxruntime_ENABLE_WEBASSEMBLY_THREADS)
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s EXPORT_NAME=ortWasmThreaded"
"SHELL:-s DEFAULT_PTHREAD_STACK_SIZE=131072"
"SHELL:-s PTHREAD_POOL_SIZE=Module[\\\"numThreads\\\"]-1"
)
else()
target_link_options(onnxruntime_webassembly PRIVATE
"SHELL:-s EXPORT_NAME=ortWasm"
)
endif()
set_target_properties(onnxruntime_webassembly PROPERTIES LINK_DEPENDS "${onnxruntime_webassembly_script_deps}")
set(target_name_list ort)
if (onnxruntime_ENABLE_TRAINING_APIS)
list(APPEND target_name_list "training")
endif()
list(APPEND target_name_list "wasm")
if (onnxruntime_ENABLE_WEBASSEMBLY_RELAXED_SIMD)
list(APPEND target_name_list "relaxedsimd")
elseif (onnxruntime_ENABLE_WEBASSEMBLY_SIMD)
list(APPEND target_name_list "simd")
endif()
if (onnxruntime_ENABLE_WEBASSEMBLY_THREADS)
list(APPEND target_name_list "threaded")
endif()
list(JOIN target_name_list "-" target_name)
if (onnxruntime_USE_JSEP)
string(APPEND target_name ".jsep")
endif()
set_target_properties(onnxruntime_webassembly PROPERTIES OUTPUT_NAME ${target_name} SUFFIX ".mjs")
#
# The following POST_BUILD script is a workaround for enabling:
# - using onnxruntime-web with Multi-threading enabled when import from CDN
# - using onnxruntime-web when consumed in some frameworks like Vite
#
# In the use case mentioned above, the file name of the script may be changed. So we need to replace the line:
# `new Worker(new URL("ort-wasm-*.mjs", import.meta.url),`
# with
# `new Worker(new URL(import.meta.url),`
#
# This behavior is introduced in https://github.com/emscripten-core/emscripten/pull/22165. Since it's unlikely to be
# reverted, and there is no config to disable this behavior, we have to use a post-build script to workaround it.
#
# Generate a script to do the post-build work
file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/wasm_post_build.js "
const fs = require('fs');
const path = require('path');
// node wasm_post_build.js <mjsFilePath>
const mjsFilePath = process.argv[2];
let contents = fs.readFileSync(mjsFilePath).toString();
const regex = 'new Worker\\\\(new URL\\\\(\".+?\", ?import\\\\.meta\\\\.url\\\\),';
const matches = [...contents.matchAll(new RegExp(regex, 'g'))];
if (matches.length !== 1) {
throw new Error(
`Unexpected number of matches for \"${regex}\" in \"${filepath}\": ${matches.length}.`,
);
}
// Replace the only occurrence.
contents = contents.replace(
new RegExp(regex),
`new Worker(new URL(import.meta.url),`,
);
fs.writeFileSync(mjsFilePath, contents);
"
)
find_program(NODE_EXECUTABLE node required)
if (NOT NODE_EXECUTABLE)
message(FATAL_ERROR "Node is required to run the post-build script")
endif()
add_custom_command(
TARGET onnxruntime_webassembly
POST_BUILD
# Backup file at $<TARGET_FILE_NAME:onnxruntime_webassembly>.bak
COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE_NAME:onnxruntime_webassembly>" "$<TARGET_FILE_NAME:onnxruntime_webassembly>.bak"
COMMAND ${CMAKE_COMMAND} -E echo "Performing post-process for $<TARGET_FILE_NAME:onnxruntime_webassembly>"
COMMAND ${NODE_EXECUTABLE} "${CMAKE_CURRENT_BINARY_DIR}/wasm_post_build.js" "$<TARGET_FILE_NAME:onnxruntime_webassembly>"
)
endif()