Build failure on macos aarch64 machine under nix

[fmeef]

Issue Description

I noticed a build failure when building via nix package manager on macos aarch64. The actual cause of failure seems to be error: in-class initializer for static data member is not a constant expression

Setup Details

uhd version: 4.9.0.0
OS version: Macos Tahoe 26.1
clang version: 21.1.2

Expected Behavior

Successful compilation

Actual Behaviour

Build fails with logs

Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/y7rgl329v3wl91cpcszbkq28lkyljjrx-source
source root is source
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
applying patch /nix/store/6d7s1mp4w8ndh9h6kp0x8n79n283xsfs-fix-pkg-config.patch
patching file host/CMakeLists.txt
patching file host/uhd.pc.in
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: configurePhase
@nix { "action": "setPhase", "phase": "configurePhase" }
cmake flags: -DCMAKE_FIND_USE_SYSTEM_PACKAGE_REGISTRY=OFF -DCMAKE_FIND_USE_PACKAGE_REGISTRY=OFF -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY=ON -DCMAKE_BUILD_TYPE=Release -DBUILD_TESTING=OFF -DCMAKE_INSTALL_LOCALEDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/share/locale -DCMAKE_INSTALL_LIBEXECDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/libexec -DCMAKE_INSTALL_LIBDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/lib -DCMAKE_INSTALL_DOCDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/share/doc/UHD -DCMAKE_INSTALL_INFODIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/share/info -DCMAKE_INSTALL_MANDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/share/man -DCMAKE_INSTALL_INCLUDEDIR=/nix/store/vgyvmwdml3fk6nyr6mm8m2q71qmnqk8a-uhd-4.9.0.0-dev/include -DCMAKE_INSTALL_SBINDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/sbin -DCMAKE_INSTALL_BINDIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/bin -DCMAKE_INSTALL_NAME_DIR=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/lib -DCMAKE_POLICY_DEFAULT_CMP0025=NEW -DCMAKE_FIND_FRAMEWORK=LAST -DCMAKE_STRIP=/nix/store/xbi504848gn164lwzv2x2rclwvjxw7w1-clang-wrapper-21.1.2/bin/strip -DCMAKE_RANLIB=/nix/store/xbi504848gn164lwzv2x2rclwvjxw7w1-clang-wrapper-21.1.2/bin/ranlib -DCMAKE_AR=/nix/store/xbi504848gn164lwzv2x2rclwvjxw7w1-clang-wrapper-21.1.2/bin/ar -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_INSTALL_PREFIX=/nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0 -DENABLE_LIBUHD=ON -DENABLE_USB=ON -DENABLE_TESTS=ON -DENABLE_EXAMPLES:BOOL=FALSE -DENABLE_UTILS:BOOL=TRUE -DENABLE_C_API:BOOL=TRUE -DENABLE_PYTHON_API:BOOL=TRUE -DRUNTIME_PYTHON_EXECUTABLE=/nix/store/7s2fj20xv8rjzd5vxqknk6jnqjiic5z1-python3-3.13.8-env/bin/python3.13 -DENABLE_DPDK:BOOL=FALSE -DENABLE_OCTOCLOCK:BOOL=TRUE -DENABLE_MPMD:BOOL=TRUE -DENABLE_B100:BOOL=TRUE -DENABLE_B200:BOOL=TRUE -DENABLE_USRP1:BOOL=TRUE -DENABLE_USRP2:BOOL=TRUE -DENABLE_X300:BOOL=TRUE -DENABLE_X400:BOOL=TRUE -DENABLE_N300:BOOL=TRUE -DENABLE_N320:BOOL=TRUE -DENABLE_E300:BOOL=TRUE -DENABLE_E320:BOOL=TRUE
-- The CXX compiler identification is Clang 21.1.2
-- The C compiler identification is Clang 21.1.2
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /nix/store/xbi504848gn164lwzv2x2rclwvjxw7w1-clang-wrapper-21.1.2/bin/clang++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /nix/store/xbi504848gn164lwzv2x2rclwvjxw7w1-clang-wrapper-21.1.2/bin/clang - skipped
-- Detecting C compile features
-- Detecting C compile features - done
--
-- Configuring the Python interpreter...
-- Python interpreter: /nix/store/s7ik6dazn4nd2jdg9l36qf5q0z18sjyk-python3-3.13.8/bin/python3.13 Version: 3.13.8
-- Override with: -DPYTHON_EXECUTABLE=<path-to-python>
-- Manually determining runtime Python version...
-- Python runtime interpreter: /nix/store/7s2fj20xv8rjzd5vxqknk6jnqjiic5z1-python3-3.13.8-env/bin/python3.13 Version: 3.13.8
-- Override with: -DRUNTIME_PYTHON_EXECUTABLE=<path-to-python>
-- Finding Python Libraries...
-- Python Libraries: /nix/store/s7ik6dazn4nd2jdg9l36qf5q0z18sjyk-python3-3.13.8/lib/libpython3.13.dylib
-- Python include directories: /nix/store/s7ik6dazn4nd2jdg9l36qf5q0z18sjyk-python3-3.13.8/include/python3.13;/nix/store/gwlvyf7cqw6ih49agmw0q7jdly2zdx31-python3.13-numpy-2.3.3/lib/python3.13/site-packages/numpy/_core/include
CMake Warning at cmake/Modules/UHDVersion.cmake:80 (message):
  Could not detect git executable! Could not determine exact version of UHD!
Call Stack (most recent call first):
  cmake/Modules/UHDPackage.cmake:9 (include)
  CMakeLists.txt:145 (include)


-- Using UHD Images Directory: /nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/share/uhd/images
-- Performing Test HAVE_VISIBILITY_HIDDEN
-- Performing Test HAVE_VISIBILITY_HIDDEN - Success
-- Performing Test HAVE_VISIBILITY_INLINES_HIDDEN
-- Performing Test HAVE_VISIBILITY_INLINES_HIDDEN - Success
--
-- Configuring Boost C++ Libraries...
--
-- Checking for Boost version 1.66 or greater
--   Looking for required Boost components...
CMake Warning (dev) at cmake/Modules/UHDBoost.cmake:190 (find_package):
  Policy CMP0167 is not set: The FindBoost module is removed.  Run "cmake
  --help-policy CMP0167" for policy details.  Use the cmake_policy command to
  set the policy and suppress this warning.

Call Stack (most recent call first):
  CMakeLists.txt:330 (include)
This warning is for project developers.  Use -Wno-dev to suppress it.

--   Enabling Boost Error Code Header Only
--   Checking whether std::string_view works in boost::asio
--     Enabling boost::asio use of std::string_view
--   Boost version: 1.87.0
--   Boost include directories: /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include
--   Boost library directories: /nix/store/q0d1m8iyzza3imdn3rn3lfn4sij3sqrc-boost-1.87.0/lib
--   Boost libraries: Boost::chrono;Boost::date_time;Boost::filesystem;Boost::program_options;Boost::serialization;Boost::thread;Boost::unit_test_framework;Boost::system
-- Looking for Boost version 1.66 or greater - found
--
-- Python checking for compatible Python version
-- Python checking for compatible Python version - 3.13.8 satisfies minimum required version 3.7
--
-- Python checking for Mako templates module
-- Python checking for Mako templates module - 1.3.10 satisfies minimum required version 0.4.2
--
-- Python checking for requests module
-- Python checking for requests module - 2.32.5 satisfies minimum required version 2.0
--
-- Python checking for numpy module
-- Python checking for numpy module - 2.3.3 satisfies minimum required version 1.11
--
-- Python checking for ruamel.yaml module
-- Python checking for ruamel.yaml module - "import ruamel.yaml" failed (is it installed?)
--
-- Configuring LibUHD support...
--   Dependency Boost_FOUND = TRUE
--   Dependency HAVE_PYTHON_MODULE_MAKO = TRUE
--   Enabling LibUHD support.
--   Override with -DENABLE_LIBUHD=ON/OFF
--
-- Configuring LibUHD - C API support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling LibUHD - C API support.
--   Override with -DENABLE_C_API=ON/OFF
--
-- Configuring LibUHD - Python API support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency HAVE_PYTHON_MODULE_NUMPY = TRUE
--   Dependency HAVE_PYTHON_LIBS = TRUE
--   Dependency HAVE_PYTHON_PLAT_MIN_VERSION = TRUE
--   Enabling LibUHD - Python API support.
--   Override with -DENABLE_PYTHON_API=ON/OFF
--
-- Configuring Examples support...
--   Dependency ENABLE_LIBUHD = ON
--   Disabling Examples support.
--   Override with -DENABLE_EXAMPLES=ON/OFF
--
-- Configuring Utils support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling Utils support.
--   Override with -DENABLE_UTILS=ON/OFF
--
-- Configuring Tests support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling Tests support.
--   Override with -DENABLE_TESTS=ON/OFF
--
-- Configuring Python Module (Utils only) support...
--   Dependency HAVE_PYTHON_MODULE_NUMPY = TRUE
--   Dependency HAVE_PYTHON_MODULE_MAKO = TRUE
--   Dependency HAVE_PYTHON_MODULE_YAML = FALSE
--   Disabling Python Module (Utils only) support.
--   Override with -DENABLE_PYMOD_UTILS=ON/OFF
--
-- Configuring RFNoC/FPGA Development Files support...
--   Dependency ENABLE_LIBUHD = ON
--   Disabling RFNoC/FPGA Development Files support.
--   Override with -DENABLE_RFNOC_DEV=ON/OFF
--
-- Looking for libusb_handle_events_timeout_completed
-- Looking for libusb_handle_events_timeout_completed - found
-- Looking for libusb_error_name
-- Looking for libusb_error_name - found
-- Looking for libusb_strerror
-- Looking for libusb_strerror - found
-- Found LIBUSB: /nix/store/qargjld95w3ghrs6isc7j3fhfrw0a6pf-libusb-1.0.29/lib/libusb-1.0.dylib
-- Found PkgConfig: /nix/store/niz4jpjf9x38ja6i74mzx14vdnscf9va-pkg-config-wrapper-0.29.2/bin/pkg-config (found version "0.29.2")
-- Checking for module 'libdpdk>=18.11'
--   No package 'libdpdk' found
-- Could NOT find DPDK (missing: DPDK_INCLUDE_DIRS DPDK_CFLAGS DPDK_LDFLAGS DPDK_LIBRARIES)
--
-- Configuring USB support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency LIBUSB_FOUND = TRUE
--   Enabling USB support.
--   Override with -DENABLE_USB=ON/OFF
--
-- Configuring B100 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_USB = ON
--   Enabling B100 support.
--   Override with -DENABLE_B100=ON/OFF
--
-- Configuring B200 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_USB = ON
--   Enabling B200 support.
--   Override with -DENABLE_B200=ON/OFF
--
-- Configuring USRP1 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_USB = ON
--   Enabling USRP1 support.
--   Override with -DENABLE_USRP1=ON/OFF
--
-- Configuring USRP2 support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling USRP2 support.
--   Override with -DENABLE_USRP2=ON/OFF
--
-- Configuring X300 support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling X300 support.
--   Override with -DENABLE_X300=ON/OFF
--
-- Configuring MPMD support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling MPMD support.
--   Override with -DENABLE_MPMD=ON/OFF
--
-- Configuring SIM support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Dependency ENABLE_PYTHON_API = TRUE
--   Enabling SIM support.
--   Override with -DENABLE_SIM=ON/OFF
--
-- Configuring N300 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Enabling N300 support.
--   Override with -DENABLE_N300=ON/OFF
--
-- Configuring N320 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Enabling N320 support.
--   Override with -DENABLE_N320=ON/OFF
--
-- Configuring E320 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Enabling E320 support.
--   Override with -DENABLE_E320=ON/OFF
--
-- Configuring E300 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Enabling E300 support.
--   Override with -DENABLE_E300=ON/OFF
--
-- Configuring X400 support...
--   Dependency ENABLE_LIBUHD = ON
--   Dependency ENABLE_MPMD = TRUE
--   Enabling X400 support.
--   Override with -DENABLE_X400=ON/OFF
--
-- Configuring OctoClock support...
--   Dependency ENABLE_LIBUHD = ON
--   Enabling OctoClock support.
--   Override with -DENABLE_OCTOCLOCK=ON/OFF
--
-- Configuring DPDK support...
--   Dependency ENABLE_MPMD = TRUE
--   Dependency DPDK_FOUND = FALSE
--   Disabling DPDK support.
--   Override with -DENABLE_DPDK=ON/OFF
--
-- Looking for C++ include emmintrin.h
-- Looking for C++ include emmintrin.h - not found
--
-- Configuring priority scheduling...
-- Performing Test HAVE_PTHREAD_SETSCHEDPARAM
-- Performing Test HAVE_PTHREAD_SETSCHEDPARAM - Success
-- Performing Test HAVE_WIN_SETTHREADPRIORITY
-- Performing Test HAVE_WIN_SETTHREADPRIORITY - Failed
--   Priority scheduling supported through pthread_setschedparam.
-- Performing Test HAVE_PTHREAD_SETNAME
-- Performing Test HAVE_PTHREAD_SETNAME - Failed
--   Setting thread names is not supported.
-- Performing Test HAVE_PTHREAD_SETAFFINITY_NP
-- Performing Test HAVE_PTHREAD_SETAFFINITY_NP - Failed
-- Performing Test HAVE_WIN_SETTHREADAFFINITYMASK
-- Performing Test HAVE_WIN_SETTHREADAFFINITYMASK - Failed
--   Setting thread affinity is not supported.
--
-- Configuring module loading...
-- Performing Test HAVE_DLOPEN
-- Performing Test HAVE_DLOPEN - Success
-- Performing Test HAVE_LOAD_LIBRARY
-- Performing Test HAVE_LOAD_LIBRARY - Failed
--   Module loading supported through dlopen.
--
-- Configuring atomics support...
--   Atomics support is built-in, no linking required.
--
-- Processing NI-RIO FPGA LVBITX Bitstreams...
--   Using x300.lvbitx_base for codegen
--   Using x310.lvbitx_base for codegen
--
-- USB support enabled via libusb.
--
-- Configuring interface address discovery...
-- Performing Test HAVE_GETIFADDRS
-- Performing Test HAVE_GETIFADDRS - Success
-- Looking for C++ include winsock2.h
-- Looking for C++ include winsock2.h - not found
--   Interface address discovery supported through getifaddrs.
-- Looking for C++ include atlbase.h
-- Looking for C++ include atlbase.h - not found
--
-- Loading build info.
--
-- Adding B2XX device test target
-- Adding X3x0 device test target
-- Adding E3XX device test target
-- Adding N3XX device test target
-- Adding E32x device test target
-- Adding X410 device test target
-- Adding X440 device test target
--
-- Could NOT find Curses (missing: CURSES_LIBRARY)
-- Could NOT find Doxygen (missing: DOXYGEN_EXECUTABLE)
--
-- Configuring Manual support...
--   Dependency DOXYGEN_FOUND = NO
--   Disabling Manual support.
--   Override with -DENABLE_MANUAL=ON/OFF
--
-- Configuring API/Doxygen support...
--   Dependency DOXYGEN_FOUND = NO
--   Disabling API/Doxygen support.
--   Override with -DENABLE_DOXYGEN=ON/OFF
--
-- Found GZip: /nix/store/q2bc59fk48pjjpyl27pyxk7n7iqp23ry-gzip-1.14/bin/gzip
--
-- Compressed Man Pages enabled
--   Override with -DENABLE_MAN_PAGE_COMPRESSION=ON/OFF
--
-- Configuring Man Pages support...
--   Dependency NOT_WIN32 = TRUE
--   Dependency GZIP_FOUND = TRUE
--   Enabling Man Pages support.
--   Override with -DENABLE_MAN_PAGES=ON/OFF
-- Using in-tree Pybind11.
--
-- Python checking for gevent module
-- Python checking for gevent module - "import gevent" failed (is it installed?)
--
-- Python checking for mprpc module
-- Python checking for mprpc module - "import mprpc" failed (is it installed?)
--
-- Python checking for pyudev module
-- Python checking for pyudev module - "import pyudev" failed (is it installed?)
--
-- Python checking for pyroute2 module
-- Python checking for pyroute2 module - "import pyroute2" failed (is it installed?)
-- MPM unit test Python package prerequisites not met; skipping
--
--
-- Python checking for virtual environment
-- Python checking for virtual environment - "assert sys.prefix != sys.base_prefix" failed
-- Installing 'uhd' Python module to: /nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0/lib/python3.13/site-packages
--
-- ######################################################
-- # UHD enabled components
-- ######################################################
--   * LibUHD
--   * LibUHD - C API
--   * LibUHD - Python API
--   * Utils
--   * Tests
--   * USB
--   * B100
--   * B200
--   * USRP1
--   * USRP2
--   * X300
--   * MPMD
--   * SIM
--   * N300
--   * N320
--   * E320
--   * E300
--   * X400
--   * OctoClock
--   * Man Pages
--
-- ######################################################
-- # UHD disabled components
-- ######################################################
--   * Examples
--   * Python Module (Utils only)
--   * RFNoC/FPGA Development Files
--   * DPDK
--   * Manual
--   * API/Doxygen
--
-- ******************************************************
-- * You are building a development branch of UHD.
-- * These branches are designed to provide early access
-- * to UHD and USRP features, but should be considered
-- * unstable and/or experimental!
-- ******************************************************
-- Building version: 4.9.0.0-0-unknown
-- Using install prefix: /nix/store/n6b0lcb50a5jrv3jdbb5342svgndndj3-uhd-4.9.0.0
-- Configuring done (12.1s)
-- Generating done (1.2s)
CMake Warning:
  Manually-specified variables were not used by the project:

    BUILD_TESTING
    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_POLICY_DEFAULT_CMP0025


-- Build files have been written to: /nix/var/nix/builds/nix-50132-1640262001/source/host/build
cmake: enabled parallel building
cmake: enabled parallel installing
Running phase: buildPhase
@nix { "action": "setPhase", "phase": "buildPhase" }
build flags: -j10 SHELL=/nix/store/k8a78r7j84kh8vagydpb8zwaqnjch8fd-bash-5.3p3/bin/bash
[  0%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_rx_1_rx1.cal
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_rx_1_tx+rx0.cal
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_rx_0_rx1.cal
[  1%] Generating uhd-resources resource loader
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/test.cal
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_rx_0_tx+rx0.cal
[  1%] Generating uhd_adc_self_cal man page
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_tx_0_tx+rx0.cal
[  1%] Generating build/timestamp
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/zbx_dsa_rx.cal
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/x4xx_pwr_zbx_tx_1_tx+rx0.cal
[  1%] Generating uhd_cal_rx_iq_balance man page
[  1%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/dispatcher.cc.o
[  1%] Building CXX object tests/common/CMakeFiles/uhd_test.dir/mock_zero_copy.cpp.o
[  1%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/server.cc.o
[  1%] Generating intermediate file for /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/rc/cal/zbx_dsa_tx.cal
[  2%] Generating uhd_cal_tx_dc_offset man page
[  2%] Generating uhd_cal_tx_iq_balance man page
[  2%] Generating uhd_config_info man page
[  2%] Generating uhd_find_devices man page
[  2%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/client.cc.o
[  2%] Generating uhd_images_downloader man page
[  2%] Generating uhd_usrp_probe man page
[  2%] Generating uhd_image_loader man page
[  3%] Generating usrp_n2xx_simple_net_burner man page
[  3%] Generating usrp2_card_burner man page
[  3%] Generating rfnoc_modtool man page
[  3%] Generating rfnoc_image_builder man page
[  3%] Building CXX object lib/rc/CMakeFiles/uhd-resources.dir/__cmrc_uhd-resources/lib.cpp.o
[  3%] Generating usrpctl man page
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/this_handler.cc.o
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/this_session.cc.o
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/this_server.cc.o
[  4%] Built target man_page_gzips
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/rpc_error.cc.o
/nix/store/mkhg8av1vhvlhqkbalmdwrqpckfzwb3k-python3.13-setuptools-80.9.0/lib/python3.13/site-packages/setuptools/_distutils/dist.py:289: UserWarning: Unknown distribution option: 'tests_require'
  warnings.warn(msg)
/nix/store/mkhg8av1vhvlhqkbalmdwrqpckfzwb3k-python3.13-setuptools-80.9.0/lib/python3.13/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated.
!!

        ********************************************************************************
        Please consider removing the following classifiers in favor of a SPDX license expression:

        License :: OSI Approved :: GNU General Public License v3 (GPLv3)

        See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
        ********************************************************************************

!!
  self._finalize_license_expression()
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/detail/server_session.cc.o
[  4%] Built target usrp_mpm
[  4%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/detail/response.cc.o
[  4%] Built target copy_mpm_packages
[  5%] Building CXX object lib/deps/rpclib/CMakeFiles/uhd_rpclib.dir/lib/rpc/detail/client_error.cc.o
[  5%] Linking CXX static library libuhd_test.a
[  5%] Built target uhd_test
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In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:9:
In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.hpp:156:
In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:13:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast.hpp:33:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/try_lexical_convert.hpp:31:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_numeric.hpp:31:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/make_unsigned.hpp:14:
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_signed.hpp:37:25: error: in-class initializer for static data member is not a constant expression
   37 |    static const no_cv_t minus_one = (static_cast<no_cv_t>(-1));
      |                         ^           ~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_signed.hpp:45:60: note: in instantiation of template class 'boost::detail::is_signed_values<uhd::stream_cmd_t::stream_mode_t>' requested here
   45 |    BOOST_STATIC_CONSTANT(bool, value = (!(::boost::detail::is_signed_values<T>::minus_one  > boost::detail::is_signed_values<T>::zero)));
      |                                                            ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/config/detail/suffix.hpp:410:72: note: expanded from macro 'BOOST_STATIC_CONSTANT'
  410 | #     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
      |                                                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_signed.hpp:74:40: note: in instantiation of template class 'boost::detail::is_signed_helper<uhd::stream_cmd_t::stream_mode_t>' requested here
   74 |    BOOST_STATIC_CONSTANT(bool, value = type::value);
      |                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/config/detail/suffix.hpp:410:72: note: expanded from macro 'BOOST_STATIC_CONSTANT'
  410 | #     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
      |                                                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_signed.hpp:79:85: note: in instantiation of template class 'boost::detail::is_signed_impl<uhd::stream_cmd_t::stream_mode_t>' requested here
   79 | template <class T> struct is_signed : public integral_constant<bool, boost::detail::is_signed_impl<T>::value> {};
      |                                                                                     ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical_streams.hpp:315:44: note: in instantiation of template class 'boost::is_signed<uhd::stream_cmd_t::stream_mode_t>' requested here
  315 |         typename boost::enable_if_c<boost::is_signed<Type>::value && !boost::is_enum<Type>::value, bool>::type
      |                                            ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical.hpp:449:67: note: while substituting deduced template arguments into function template 'stream_in' [with Type = uhd::stream_cmd_t::stream_mode_t]
  449 |                 -> decltype(std::declval<optimized_src_stream&>().stream_in(std::declval<lcast::exact<T>>()), optimized_src_stream{});
      |                                                                   ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical.hpp:454:46: note: (skipping 1 context in backtrace; use -ftemplate-backtrace-limit=0 to see all)
  454 |             using from_src_stream = decltype(detect_type<Source>(1));
      |                                              ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/try_lexical_convert.hpp:67:20: note: in instantiation of template class 'boost::detail::lexical_converter_impl<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   67 |             return caster_type::try_convert(arg, result);
      |                    ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast.hpp:42:41: note: in instantiation of function template specialization 'boost::conversion::detail::try_lexical_convert<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   42 |         if (!boost::conversion::detail::try_lexical_convert(arg, result)) {
      |                                         ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:24:39: note: in instantiation of function template specialization 'boost::lexical_cast<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   24 |                              % boost::lexical_cast<std::string>(key) % typeid(Key).name()
      |                                       ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:114:11: note: in instantiation of member function 'uhd::(anonymous namespace)::key_not_found<uhd::stream_cmd_t::stream_mode_t, std::tuple<bool, bool, bool, bool>>::key_not_found' requested here
  114 |     throw key_not_found<Key, Val>(key);
      |           ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:130:25: note: in instantiation of member function 'uhd::dict<uhd::stream_cmd_t::stream_mode_t, std::tuple<bool, bool, bool, bool>>::operator[]' requested here
  130 |             mode_to_inst[stream_cmd.stream_mode];
      |                         ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_signed.hpp:37:38: note: integer value -1 is outside the valid range of values [0, 127] for the enumeration type 'stream_mode_t'
   37 |    static const no_cv_t minus_one = (static_cast<no_cv_t>(-1));
      |                                      ^
In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:9:
In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.hpp:156:
In file included from /nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:13:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast.hpp:33:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/try_lexical_convert.hpp:31:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_numeric.hpp:31:
In file included from /nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/make_unsigned.hpp:15:
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_unsigned.hpp:38:25: error: in-class initializer for static data member is not a constant expression
   38 |    static const no_cv_t minus_one = (static_cast<no_cv_t>(-1));
      |                         ^           ~~~~~~~~~~~~~~~~~~~~~~~~~~
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_unsigned.hpp:45:58: note: in instantiation of template class 'boost::detail::is_unsigned_values<uhd::stream_cmd_t::stream_mode_t>' requested here
   45 |    BOOST_STATIC_CONSTANT(bool, value = (::boost::detail::is_unsigned_values<T>::minus_one > ::boost::detail::is_unsigned_values<T>::zero));
      |                                                          ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/config/detail/suffix.hpp:410:72: note: expanded from macro 'BOOST_STATIC_CONSTANT'
  410 | #     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
      |                                                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_unsigned.hpp:74:40: note: in instantiation of template class 'boost::detail::is_ununsigned_helper<uhd::stream_cmd_t::stream_mode_t>' requested here
   74 |    BOOST_STATIC_CONSTANT(bool, value = type::value);
      |                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/config/detail/suffix.hpp:410:72: note: expanded from macro 'BOOST_STATIC_CONSTANT'
  410 | #     define BOOST_STATIC_CONSTANT(type, assignment) static const type assignment
      |                                                                        ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_unsigned.hpp:79:87: note: in instantiation of template class 'boost::detail::is_unsigned<uhd::stream_cmd_t::stream_mode_t>' requested here
   79 | template <class T> struct is_unsigned : public integral_constant<bool, boost::detail::is_unsigned<T>::value> {};
      |                                                                                       ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical_streams.hpp:319:44: note: in instantiation of template class 'boost::is_unsigned<uhd::stream_cmd_t::stream_mode_t>' requested here
  319 |         typename boost::enable_if_c<boost::is_unsigned<Type>::value && !boost::is_enum<Type>::value, bool>::type
      |                                            ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical.hpp:449:67: note: while substituting deduced template arguments into function template 'stream_in' [with Type = uhd::stream_cmd_t::stream_mode_t]
  449 |                 -> decltype(std::declval<optimized_src_stream&>().stream_in(std::declval<lcast::exact<T>>()), optimized_src_stream{});
      |                                                                   ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/detail/converter_lexical.hpp:454:46: note: (skipping 1 context in backtrace; use -ftemplate-backtrace-limit=0 to see all)
  454 |             using from_src_stream = decltype(detect_type<Source>(1));
      |                                              ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast/try_lexical_convert.hpp:67:20: note: in instantiation of template class 'boost::detail::lexical_converter_impl<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   67 |             return caster_type::try_convert(arg, result);
      |                    ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/lexical_cast.hpp:42:41: note: in instantiation of function template specialization 'boost::conversion::detail::try_lexical_convert<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   42 |         if (!boost::conversion::detail::try_lexical_convert(arg, result)) {
      |                                         ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:24:39: note: in instantiation of function template specialization 'boost::lexical_cast<std::string, uhd::stream_cmd_t::stream_mode_t>' requested here
   24 |                              % boost::lexical_cast<std::string>(key) % typeid(Key).name()
      |                                       ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/include/uhd/types/dict.ipp:114:11: note: in instantiation of member function 'uhd::(anonymous namespace)::key_not_found<uhd::stream_cmd_t::stream_mode_t, std::tuple<bool, bool, bool, bool>>::key_not_found' requested here
  114 |     throw key_not_found<Key, Val>(key);
      |           ^
/nix/var/nix/builds/nix-50132-1640262001/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:130:25: note: in instantiation of member function 'uhd::dict<uhd::stream_cmd_t::stream_mode_t, std::tuple<bool, bool, bool, bool>>::operator[]' requested here
  130 |             mode_to_inst[stream_cmd.stream_mode];
      |                         ^
/nix/store/hn2ph6rpxfqkc46xjvlvmiypmznn748f-boost-1.87.0-dev/include/boost/type_traits/is_unsigned.hpp:38:38: note: integer value -1 is outside the valid range of values [0, 127] for the enumeration type 'stream_mode_t'
   38 |    static const no_cv_t minus_one = (static_cast<no_cv_t>(-1));
      |                                      ^
2 errors generated.
make[2]: *** [lib/CMakeFiles/uhd.dir/build.make:1623: lib/CMakeFiles/uhd.dir/usrp/cores/rx_dsp_core_200.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Makefile2:1380: lib/CMakeFiles/uhd.dir/all] Error 2
make: *** [Makefile:166: all] Error 2

Steps to reproduce the problem

1. on macos on arm setup nix package manager
2. git clone https://github.com/NixOS/nixpkgs.git && cd nixpkgs
3. git checkout ddf56acbeb53825b79b82c13a657806774bfd137
4. nix-build -A uhd

[mbr0wn]

@fmeef Thanks for the report -- I don't have a macos aarch64 machine available that I can test this on, but I believe that this patch will fix it -- any chance you can give it a whirl? I can create a branch here if that helps:

diff --git a/host/lib/usrp/cores/rx_dsp_core_200.cpp b/host/lib/usrp/cores/rx_dsp_core_200.cpp
index 6a177ef7ae..a282e9d58e 100644
--- a/host/lib/usrp/cores/rx_dsp_core_200.cpp
+++ b/host/lib/usrp/cores/rx_dsp_core_200.cpp
@@ -6,7 +6,6 @@
 //

 #include <uhd/exception.hpp>
-#include <uhd/types/dict.hpp>
 #include <uhd/utils/log.hpp>
 #include <uhd/utils/math.hpp>
 #include <uhd/utils/safe_call.hpp>
@@ -15,6 +14,7 @@
 #include <algorithm>
 #include <chrono>
 #include <cmath>
+#include <map>
 #include <thread>
 #include <tuple>

@@ -111,7 +111,7 @@ public:
         // clang-format off
         // setup the mode to instruction flags
         typedef std::tuple<bool, bool, bool, bool> inst_t;
-        static const uhd::dict<stream_cmd_t::stream_mode_t, inst_t> mode_to_inst{
+        static const std::map<stream_cmd_t::stream_mode_t, inst_t> mode_to_inst{
                                                               // reload, chain, samps, stop
             {stream_cmd_t::STREAM_MODE_START_CONTINUOUS,   inst_t(true,  true,  false, false) },
             {stream_cmd_t::STREAM_MODE_STOP_CONTINUOUS,    inst_t(false, false, false, true ) },
@@ -123,7 +123,7 @@ public:
         // setup the instruction flag values
         bool inst_reload, inst_chain, inst_samps, inst_stop;
         std::tie(inst_reload, inst_chain, inst_samps, inst_stop) =
-            mode_to_inst[stream_cmd.stream_mode];
+            mode_to_inst.at(stream_cmd.stream_mode);

         // calculate the word from flags and length
         uint32_t cmd_word = 0;
@@ -143,12 +143,12 @@ public:

     void set_mux(const std::string& mode, const bool fe_swapped) override
     {
-        static const uhd::dict<std::string, uint32_t> mode_to_mux{{"IQ", 0},
+        static const std::map<std::string, uint32_t> mode_to_mux{{"IQ", 0},
             {"QI", FLAG_DSP_RX_MUX_SWAP_IQ},
             {"I", FLAG_DSP_RX_MUX_REAL_MODE},
             {"Q", FLAG_DSP_RX_MUX_SWAP_IQ | FLAG_DSP_RX_MUX_REAL_MODE}};
         _iface->poke32(REG_DSP_RX_MUX,
-            mode_to_mux[mode] ^ (fe_swapped ? FLAG_DSP_RX_MUX_SWAP_IQ : 0));
+            mode_to_mux.at(mode) ^ (fe_swapped ? FLAG_DSP_RX_MUX_SWAP_IQ : 0));
     }

     void set_tick_rate(const double rate) override

[doronbehar]

Thanks @mbr0wn for trying to help. With your patch (applied upon branch master), I see different errors:

/nix/var/nix/builds/nix-53532-3942549803/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:126:25: error: no viable overloaded operator[] for type 'const std::map<stream_cmd_t::stream_mode_t, inst_t>' (aka 'const map<uhd::stream_cmd_t::stream_mode_t, tuple<bool, bool, bool, bool>>')
  126 |             mode_to_inst[stream_cmd.stream_mode];
      |             ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/nix/store/5mhwf4lq5sjl102jk850i6a18al4x0jp-libcxx-19.1.2+apple-sdk-15.5/include/c++/v1/map:1151:38: note: candidate function not viable: 'this' argument has type 'const std::map<stream_cmd_t::stream_mode_t, inst_t>' (aka 'const map<uhd::stream_cmd_t::stream_mode_t, tuple<bool, bool, bool, bool>>'), but method is not marked const
 1151 |   _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](const key_type& __k);
      |                                      ^
/nix/store/5mhwf4lq5sjl102jk850i6a18al4x0jp-libcxx-19.1.2+apple-sdk-15.5/include/c++/v1/map:1153:38: note: candidate function not viable: 'this' argument has type 'const std::map<stream_cmd_t::stream_mode_t, inst_t>' (aka 'const map<uhd::stream_cmd_t::stream_mode_t, tuple<bool, bool, bool, bool>>'), but method is not marked const
 1153 |   _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](key_type&& __k);
      |                                      ^
/nix/var/nix/builds/nix-53532-3942549803/source/host/lib/usrp/cores/rx_dsp_core_200.cpp:151:24: error: no viable overloaded operator[] for type 'const std::map<std::string, uint32_t>' (aka 'const map<basic_string<char>, unsigned int>')
  151 |             mode_to_mux[mode] ^ (fe_swapped ? FLAG_DSP_RX_MUX_SWAP_IQ : 0));
      |             ~~~~~~~~~~~^~~~~
/nix/store/5mhwf4lq5sjl102jk850i6a18al4x0jp-libcxx-19.1.2+apple-sdk-15.5/include/c++/v1/map:1151:38: note: candidate function not viable: 'this' argument has type 'const std::map<std::string, uint32_t>' (aka 'const map<basic_string<char>, unsigned int>'), but method is not marked const
 1151 |   _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](const key_type& __k);
      |                                      ^
/nix/store/5mhwf4lq5sjl102jk850i6a18al4x0jp-libcxx-19.1.2+apple-sdk-15.5/include/c++/v1/map:1153:38: note: candidate function not viable: 'this' argument has type 'const std::map<std::string, uint32_t>' (aka 'const map<basic_string<char>, unsigned int>'), but method is not marked const
 1153 |   _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](key_type&& __k);
      |                                      ^
2 errors generated.
make[2]: *** [lib/CMakeFiles/uhd.dir/build.make:1637: lib/CMakeFiles/uhd.dir/usrp/cores/rx_dsp_core_200.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Makefile2:1380: lib/CMakeFiles/uhd.dir/all] Error 2
make: *** [Makefile:166: all] Error 2

I also tried to use:

  "-DENABLE_USRP1:BOOL=FALSE",
  "-DENABLE_USRP2:BOOL=FALSE",

cmake flags and it didn't help.

[mbr0wn]

Thanks @doronbehar for testing this!

Dang, that was a beginner-level failure to use std::map properly. It's not like I haven't run into this problem before.... but I'm surprised my compiler didn't warn me. I updated the diff above accordingly.

Note that there are other places where we use static const uhd::dict, so maybe there are other places where this fix (assuming it works) would have to be applied. I'm happy to do that, if it helps, I just don't have the resources to check on macos aarch64 myself.

[doronbehar]

I think you can setup CI to do that, and if not, I think you might be able to reproduce these issues on Linux with clang.

[mbr0wn]

Hi @doronbehar and others, and apologies if this looks like we're recruiting you to help fix our bugs. The problem is, we can't easily set up CI to do this, because Mac HW can't be virtualized as simply, and we are already testing Linux + very recent Clang (Fedora is always very helpful for us in this respect). That said F43 just dropped, so I will give that a spin.

[mbr0wn]

On Linux + clang 21.1.8, UHD compiles with very few warnings, none of which are related to this issue (tested on F43).

[doronbehar]

@fmeef has discovered that using Clang/LLVM version~20 fixes the compilation issue, and that's the workaround we apply on Nixpkgs now.

[mbr0wn]

Thanks @doronbehar for the update! I'll close this issue, but I am also happy to make updates to UHD to facilitate compilation across various platforms. Just keep in mind that we can't run CI for every system out there (this also includes FreeBSD).

[doronbehar]

I can testify that with uhd @ 4.10.0.0, we no longer need to force our aarch64-darwin build to use LLVM @ version 20, so this issue was somehow fully resolved.