Not compiling - Symbol multiply defined

AlessandroDevs · July 4, 2020, 12:44pm

Hi guys,

I am trying to compile the stand alone code in Mbed Studio and I am getting the following warnings and errors, in the linking stage, has anyone come across this before?

Link: example-standalone-inferencing-mbed

[Warning] @0,0: L3912W: Option 'legacyalign' is deprecated.

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::interface::SecurityManager<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>::EventHandler::EventHandler__sub_object() defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerC2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerC2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::interface::SecurityManager<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>::EventHandler::~EventHandler__sub_object() defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerD2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerD2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>::GenericSecurityManager__sub_object(ble::pal::SecurityManager<ble::pal::vendor::cordio::CordioSecurityManager<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>, ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>&, ble::pal::ConnectionEventMonitor<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>&, ble::vendor::cordio::SigningEventMonitor<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>&) defined in .text._ZN3ble7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEC2ERNS2_15SecurityManagerINS5_IS9_EES9_EERNS2_22ConnectionEventMonitorIS9_EERNS8_IS9_EE(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEC2ERNS2_15SecurityManagerINS5_IS9_EES9_EERNS2_22ConnectionEventMonitorIS9_EERNS8_IS9_EE(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::pal::vendor::cordio::CordioGattClient<ble::generic::GenericGattClient<ble::pal::vendor::cordio::CordioGattClient, ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>>::CordioGattClient__sub_object(ble::pal::vendor::cordio::CordioAttClient&) defined in .text._ZN3ble3pal6vendor6cordio16CordioGattClientINS_7generic17GenericGattClientIS3_NS4_22GenericSecurityManagerINS2_21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEEEEC2ERNS2_15CordioAttClientE(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble3pal6vendor6cordio16CordioGattClientINS_7generic17GenericGattClientIS3_NS4_22GenericSecurityManagerINS2_21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEEEEC2ERNS2_15CordioAttClientE(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::interface::SecurityManager<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>::SecurityManager__sub_object() defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEEC2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEEC2Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/op_resolver.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/all_ops_resolver.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/memory_helpers.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/micro_allocator.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/micro_interpreter.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/micro_optional_debug_tools.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/recording_micro_allocator.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/simple_memory_allocator.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/test_helpers.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/micro/testing/test_utils.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol flatbuffers::flatbuffer_version_string defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/source/main.o) rejected in favor of Symbol defined in .data._ZN11flatbuffers25flatbuffer_version_stringE(BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/tensorflow/lite/core/api/flatbuffer_conversions.o).

[Warning] @0,0: L6439W: Multiply defined Global Symbol ble::interface::SecurityManager<ble::generic::GenericSecurityManager<ble::pal::vendor::cordio::CordioSecurityManager, ble::vendor::cordio::SigningEventMonitor>>::EventHandler::~EventHandler__deallocating() defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerD0Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioImplementations.o) rejected in favor of Symbol defined in .text._ZN3ble9interface15SecurityManagerINS_7generic22GenericSecurityManagerINS_3pal6vendor6cordio21CordioSecurityManagerENS_6vendor6cordio19SigningEventMonitorEEEE12EventHandlerD0Ev(BUILD/DISCO_L475VG_IOT01A/ARMC6/mbed-os/features/FEATURE_BLE/targets/TARGET_CORDIO/source/CordioBLE.o).

[Error] @0,0: L6200E: Symbol arm_radix2_butterfly_inverse_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix2_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len2048 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_32 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_radix4_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_offset_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_offset_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_radix4_butterfly_inverse_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len1024 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_64 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_128 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_1024 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_sub_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_sub_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_radix2_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix2_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_radix4by2_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len128 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_512 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len256 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len32 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_mult_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_mult_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_add_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_add_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_scale_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_scale_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_4096 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_abs_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_abs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len64 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_dot_prod_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_dot_prod_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_256 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_radix4_butterfly_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix4_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_negate_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/arm_negate_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/BasicMathFunctions/BasicMathFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol twiddleCoefF16_2048 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_common_tables_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_init_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_init_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len4096 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_cfft_sR_f16_len512 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/arm_const_structs_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/CommonTables/CommonTablesF16.o).

[Error] @0,0: L6200E: Symbol arm_radix2_butterfly_f16 multiply defined (by BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/arm_cfft_radix2_f16.o and BUILD/DISCO_L475VG_IOT01A/ARMC6/edge-impulse-sdk/CMSIS/DSP/Source/TransformFunctions/TransformFunctionsF16.o).

janjongboom · July 4, 2020, 1:02pm

@AlessandroDevs interesting, looks like it’s trying to include CMSIS-DSP twice… I know Mbed Studio uses ARMCC underneath, perhaps that’s an issue? Can you try this: https://os.mbed.com/docs/mbed-studio/current/installing/switching-to-gcc.html ? Also, which Mbed OS version and target are you using?

I’ve just compiled the example against Mbed OS 6.0.0 on the ST IoT Discovery Kit with Mbed CLI and GCC ARM 9 and that compiles and links fine.

AlessandroDevs · July 4, 2020, 2:11pm

Good spot, it works with the latest GCC ARM 9. Thank you for such a quick answer, appreciate it! I need to look into why ARMCC is instead doing that

janjongboom · July 4, 2020, 3:49pm

Yeah interesting behavior. Compilation actually works but then linking fails… If you manage to get an idea please let us know and we can fix this in the SDK.

HaraldBlab · July 5, 2020, 11:52am

Hi,

I prefer using MBed studio.
I switch from GCC_ARM to ARMC6 toolchain.
I get no compiler error.
I get the same linker warnings as @AlessandroDevs.
It builds the bin file here.

Elf2Bin: example-standalone-inferencing-mbed
| Module                      |           .text |     .data |            .bss |
|-----------------------------|-----------------|-----------|-----------------|
| [lib]\c_w.l                 |   21491(+21491) |   16(+16) |       348(+348) |
| [lib]\fz_wm.l               |     4498(+4498) |     0(+0) |           0(+0) |
| [lib]\libcpp_w.l            |   66454(+66454) |     0(+0) |     2920(+2920) |
| [lib]\libcppabi_w.l         |     2595(+2595) |     0(+0) |           0(+0) |
| [lib]\m_wm.l                |     9702(+9702) |     0(+0) |           0(+0) |
| anon$$obj.o                 |         64(+64) |     0(+0) |   94128(+94128) |
| edge-impulse-sdk\CMSIS      | 127450(+127450) |     0(+0) |           0(+0) |
| edge-impulse-sdk\dsp        |     3037(+3037) |     0(+0) |           0(+0) |
| edge-impulse-sdk\porting    |         60(+60) |     0(+0) |           0(+0) |
| edge-impulse-sdk\tensorflow |   25189(+25189) | 128(+128) |           4(+4) |
| mbed-os\components          |         40(+40) |     0(+0) |         48(+48) |
| mbed-os\drivers             |       266(+266) |     0(+0) |           0(+0) |
| mbed-os\features            |         18(+18) |     0(+0) |           0(+0) |
| mbed-os\hal                 |     1284(+1284) |     8(+8) |       130(+130) |
| mbed-os\platform            |     5091(+5091) |   64(+64) |       348(+348) |
| mbed-os\rtos                |     7718(+7718) | 168(+168) |   10977(+10977) |
| mbed-os\targets             |   10466(+10466) |   12(+12) |       968(+968) |
| source\main.o               |   14263(+14263) |   68(+68) |           9(+9) |
| Subtotals                   | 299686(+299686) | 464(+464) | 109880(+109880) |
Total Static RAM memory (data + bss): 110344(+110344) bytes
Total Flash memory (text + data): 300150(+300150) bytes
Object file arm_bitreversal2.o is not unique! It could be made from: edge-impulse-sdk\CMSIS\DSP\Source\TransformFunctions\arm_bitreversal2.c edge-impulse-sdk\CMSIS\DSP\Source\TransformFunctions\arm_bitreversal2.S
Image: BUILD/DISCO_L475VG_IOT01A/ARMC6\example-standalone-inferencing-mbed

The Object file arm_bitreversal2.o is not unique! is related to your SDK.

Example works like a charm on the board.

Hope this helps.

janjongboom · July 5, 2020, 12:06pm

@HaraldBlab thanks for letting us know. I think the warning is fine for now - that file ships both in Assembly and in C format, not sure why CMSIS-DSP is doing that…