[bug] Build fails on `min()` and `max()` when Matter library used

[rei-vilo]

Hardware

Arduino Nano Matter

Core version

2.1.0

Arduino IDE version

2.3.3

Operating system

Debian

Radio stack variant

Matter

OpenThread Border Router device (if using Matter)

No response

Issue description

Build fails on min() and max() when the Matter library is used.

Compilation error: call of overloaded 'min(uint16_t&, uint16_t&)' is ambiguous

See minimal code and cnsole output attached.

Serial output

/home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/bin/arm-none-eabi-g++ -mcpu=cortex-m33 -mthumb -mfpu=fpv5-sp-d16 -mfloat-abi=hard -c -g -w -std=c++11 -std=gnu++17 -Wall -Wextra -fno-exceptions -fdata-sections -ffunction-sections -fomit-frame-pointer -imacros sl_gcc_preinclude.h -mcmse -Wno-deprecated-declarations -Wno-maybe-uninitialized -Wno-missing-field-initializers -Wno-unused-parameter -Wno-cast-function-type -Wno-psabi -fno-strict-aliasing -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-common -Wno-sign-compare --specs=nano.specs -g -Os -DF_CPU=39000000 -DARDUINO=10607 "-DARDUINO_SILABS=\"2.1.0\"" -DARDUINO_NANO_MATTER -DARDUINO_ARCH_SILABS -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/deprecated -DNUM_LEDS=3 -DNUM_BTN=1 -DNUM_HW_SERIAL=2 -DNUM_HW_SPI=2 -DNUM_HW_I2C=2 -DNUM_DAC_HW=2 -DARDUINO_MAIN_TASK_STACK_SIZE=2048 -DARDUINO_MATTER -DCHIP_CRYPTO_PLATFORM=1 -DIS_DEMO_LIGHT=1 -DNVM3_DEFAULT_MAX_OBJECT_SIZE=4092 -DNVM3_DEFAULT_NVM_SIZE=40960 -DSL_STATUS_LED=0 -D_WANT_REENT_SMALL=1 -DconfigNUM_THREAD_LOCAL_STORAGE_POINTERS=2 -DconfigNUM_USER_THREAD_LOCAL_STORAGE_POINTERS=0 -DCHIP_ADDRESS_RESOLVE_IMPL_INCLUDE_HEADER=<lib/address_resolve/AddressResolve_DefaultImpl.h> -DCHIP_HAVE_CONFIG_H=1 -DCURRENT_TIME_NOT_IMPLEMENTED=1 -DMBEDTLS_USER_CONFIG_FILE=<sli_psa_builtin_config.h> -DOPENTHREAD_CONFIG_DETERMINISTIC_ECDSA_ENABLE=0 -DOPENTHREAD_CONFIG_ENABLE_BUILTIN_MBEDTLS=0 -DSILABS_OTA_ENABLED=1 -DRTT_USE_ASM=0 -DENABLE_WSTK_LEDS=1 -DMGM240SD22VNA=1 -DSL_APP_PROPERTIES=1 -DHARDWARE_BOARD_DEFAULT_RF_BAND_2400=1 -DHARDWARE_BOARD_SUPPORTS_1_RF_BAND=1 -DHARDWARE_BOARD_SUPPORTS_RF_BAND_2400=1 "-DSL_BOARD_NAME=\"BRD2707A\"" "-DSL_BOARD_REV=\"A00\"" -DconfigNUM_SDK_THREAD_LOCAL_STORAGE_POINTERS=2 -DSL_COMPONENT_CATALOG_PRESENT=1 -DMBEDTLS_CONFIG_FILE=<sl_mbedtls_config.h> -DRADIO_CONFIG_DMP_SUPPORT=1 "-DOPENTHREAD_CORE_CONFIG_PLATFORM_CHECK_FILE=\"openthread-core-efr32-config-check.h\"" "-DOPENTHREAD_PROJECT_CORE_CONFIG_FILE=\"openthread-core-efr32-config.h\"" "-DOPENTHREAD_CONFIG_FILE=\"sl_openthread_generic_config.h\"" -DOPENTHREAD_FTD=1 "-DSL_OPENTHREAD_STACK_FEATURES_CONFIG_FILE=\"sl_openthread_features_config.h\"" -DMBEDTLS_PSA_CRYPTO_CONFIG_FILE=<psa_crypto_config.h> -DSL_RAIL_LIB_MULTIPROTOCOL_SUPPORT=1 -DSL_RAIL_UTIL_PA_CONFIG_HEADER=<sl_rail_util_pa_config.h> -DSLI_RADIOAES_REQUIRES_MASKING=1 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/autogen/zap-generated -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/autogen/zap-generated/app -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/config -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/config/btconf -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/config/common -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/autogen -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/examples/platform/silabs -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/lib -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/third_party/nlassert/repo/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/third_party/nlio/repo/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/zzz_generated/app-common -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/slc/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/examples/platform/silabs/efr32 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/platform/silabs/efr32 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/examples/providers -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/basic-information -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/color-control-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/diagnostic-logs-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/door-lock-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/general-commissioning-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/general-diagnostics-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/groups-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/identify-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/level-control -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/network-commissioning -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/occupancy-sensor-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/on-off-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/ota-requestor -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/third_party/silabs/gecko_sdk/util/third_party/segger/systemview/SEGGER -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/software-diagnostics-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/switch-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/clusters/window-covering-server -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/Device/SiliconLabs/MGM24/Include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/app/common/util/app_assert -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/app/common/util/app_log -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/common/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/protocol/bluetooth/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/protocol/bluetooth/bgstack/ll/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/hardware/board/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/bootloader -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/bootloader/api -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/CMSIS/Core/Include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/CMSIS/RTOS2/Include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/hardware/driver/configuration_over_swo/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/driver/debug/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/device_init/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emdrv/dmadrv/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emdrv/common/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emlib/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/fem_util -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/freertos/cmsis/Include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/freertos/kernel/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/freertos/kernel/portable/GCC/ARM_CM33_NTZ/non_secure -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emdrv/gpiointerrupt/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/hfxo_manager/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/driver/i2cspm/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/iostream/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/driver/leddrv/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/sl_mbedtls_support/config -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/sl_mbedtls_support/config/preset -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/sl_mbedtls_support/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/mbedtls/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/mbedtls/library -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/mpu/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emdrv/nvm3/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/include/openthread -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/src/core -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/third_party/tcplp -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/examples/platforms -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/third_party/openthread/examples/platforms/utils -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/protocol/openthread/platform-abstraction/efr32 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/protocol/openthread/platform-abstraction/include -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/peripheral/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/power_manager/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/sl_psa_driver/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/driver/pwm/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/common -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/protocol/ble -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/protocol/ieee802154 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/protocol/wmbus -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/protocol/zwave -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/chip/efr32/efr32xg2x -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/protocol/sidewalk -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/pa-conversions -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/pa-conversions/efr32xg24 -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/rail_util_power_manager_init -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/rail_util_pti -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/radio/rail_lib/plugin/rail_util_rssi -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/se_manager/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/se_manager/src -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/plugin/security_manager -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/util/silicon_labs/silabs_core/memory_manager -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/common/toolchain/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/system/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/sleeptimer/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/security/sl_component/sl_protocol_crypto/src -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/emdrv/spidrv/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/gecko_sdk_4.4.0/platform/service/udelay/inc -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter -I/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/libraries/Matter/src /tmp/arduino/sketches/EBC636DF3341B68039112CFE6CE370FB/sketch/sketch_nov14a.ino.cpp -o /tmp/arduino/sketches/EBC636DF3341B68039112CFE6CE370FB/sketch/sketch_nov14a.ino.cpp.o
/tmp/.arduinoIDE-unsaved20241014-50286-fss96r.j24vr/sketch_nov14a/sketch_nov14a.ino: In function 'void setup()':
/tmp/.arduinoIDE-unsaved20241014-50286-fss96r.j24vr/sketch_nov14a/sketch_nov14a.ino:12:19: error: call of overloaded 'min(uint16_t&, uint16_t&)' is ambiguous
   12 |   uint16_t c = min(a, b);
      |                ~~~^~~~~~
In file included from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/Interrupts.h:8,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/ArduinoAPI.h:29,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/Arduino.h:30,
                 from /tmp/arduino/sketches/EBC636DF3341B68039112CFE6CE370FB/sketch/sketch_nov14a.ino.cpp:1:
/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/Common.h:129:6: note: candidate: 'decltype (((b < a) ? b :  a)) min(const T&, const L&) [with T = short unsigned int; L = short unsigned int; decltype (((b < a) ? b :  a)) = const short unsigned int&]'
  129 | auto min(const T & a, const L & b) -> decltype((b < a) ? b : a)
      |      ^~~
In file included from /home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/arm-none-eabi/include/c++/12.2.1/bits/specfun.h:45,
                 from /home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/arm-none-eabi/include/c++/12.2.1/cmath:1935,
                 from /home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/arm-none-eabi/include/c++/12.2.1/math.h:36,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/ArduinoAPI.h:47:
/home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/arm-none-eabi/include/c++/12.2.1/bits/stl_algobase.h:232:5: note: candidate: 'constexpr const _Tp& std::min(const _Tp&, const _Tp&) [with _Tp = short unsigned int]'
  232 |     min(const _Tp & __a, const _Tp & __b)
      |     ^~~
In file included from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/lib/core/CASEAuthTag.h:25,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/access/SubjectDescriptor.h:23,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/AttributeAccessInterface.h:21,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/app/util/attribute-storage.h:21,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/libraries/Matter/src/MatterEndpointHandler.h:30,
                 from /home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/libraries/Matter/src/Matter.h:35,
                 from /tmp/.arduinoIDE-unsaved20241014-50286-fss96r.j24vr/sketch_nov14a/sketch_nov14a.ino:1:
/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/lib/support/CodeUtils.h:138:33: note: candidate: 'constexpr const _T& chip::min(const _T&, const _T&) [with _T = short unsigned int]'
  138 |     constexpr inline const _T & min(const _T & a, const _T & b)
      |                                 ^~~
/tmp/.arduinoIDE-unsaved20241014-50286-fss96r.j24vr/sketch_nov14a/sketch_nov14a.ino:13:19: error: call of overloaded 'max(uint16_t&, uint16_t&)' is ambiguous
   13 |   uint16_t d = max(a, b);
      |                ~~~^~~~~~
/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/cores/silabs/api/Common.h:135:6: note: candidate: 'decltype (((b < a) ? b :  a)) max(const T&, const L&) [with T = short unsigned int; L = short unsigned int; decltype (((b < a) ? b :  a)) = const short unsigned int&]'
  135 | auto max(const T & a, const L & b) -> decltype((b < a) ? b : a)
      |      ^~~
/home/user/.arduino15/packages/SiliconLabs/tools/gcc-arm-none-eabi/12.2.rel1/arm-none-eabi/include/c++/12.2.1/bits/stl_algobase.h:258:5: note: candidate: 'constexpr const _Tp& std::max(const _Tp&, const _Tp&) [with _Tp = short unsigned int]'
  258 |     max(const _Tp & __a, const _Tp & __b)
      |     ^~~
/home/user/.arduino15/packages/SiliconLabs/hardware/silabs/2.1.0/variants/nano_matter/matter/matter_2.2.0/src/lib/support/CodeUtils.h:149:33: note: candidate: 'constexpr const _T& chip::max(const _T&, const _T&) [with _T = short unsigned int]'
  149 |     constexpr inline const _T & max(const _T & a, const _T & b)
      |                                 ^~~
Compilation error: call of overloaded 'min(uint16_t&, uint16_t&)' is ambiguous

RTT output (if using Matter)

No response

Minimal reproducer code

#include <Matter.h>

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  uint16_t a = 2;
  uint16_t b = 3;
  uint16_t c = min(a, b);
  uint16_t d = max(a, b);

  Serial.println(c);
  Serial.println(d);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000);
}

[leonardocavagnis]

Hi @rei-vilo,
Thanks for the bug report!
Unfortunately, min and max functions are declared in both the ArduinoCore-API and Matter libraries.

If you want to use the functions alongside the Matter.h library, you can use namespace chip:: like this:

#include <Matter.h>

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  uint16_t a = 2;
  uint16_t b = 3;
  uint16_t c = chip::min(a, b);
  uint16_t d = chip::max(a, b);

  Serial.println(c);
  Serial.println(d);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(1000);
}

[rei-vilo]

Thank you for the confirmation of the conflict on min() and max().

However, using chip::min() or chip::max() limits the code portability.

[silabs-bozont]

Hey @rei-vilo,
Thank you for the report!
It looks like the Matter library pulls in the whole chip namespace - which also provides definitions for the min and max functions. This is not ideal - as you said your code becomes less portable.
As a solution I've limited the chip namespace usage to just include the necessary things for the Matter library and nothing else. The default will be the standard min/max function.
The fix will be included in the next release!