Build error on qnx 7.1

[trittsv]

Is there an already existing issue for this?

• I have searched the existing issues

Expected behavior

FastDDS compiles successfully qnx 7.1 x64 (QCC 8.3.0).

Current behavior

error: 'SA_RESTART' was not declared in this scope

[2025-10-23T11:43:07.501Z] [ 11%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/condition/StatusCondition.cpp.o
[2025-10-23T11:43:07.766Z] [ 11%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/condition/StatusConditionImpl.cpp.o
[2025-10-23T11:43:08.025Z] [ 11%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/condition/WaitSet.cpp.o
[2025-10-23T11:43:08.285Z] [ 12%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/condition/WaitSetImpl.cpp.o
[2025-10-23T11:43:08.538Z] [ 12%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/Entity.cpp.o
[2025-10-23T11:43:09.095Z] [ 13%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/policy/ParameterList.cpp.o
[2025-10-23T11:43:09.095Z] [ 13%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/policy/QosPolicyUtils.cpp.o
[2025-10-23T11:43:10.014Z] [ 13%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/core/Time_t.cpp.o
[2025-10-23T11:43:10.268Z] [ 13%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/domain/DomainParticipantFactory.cpp.o
[2025-10-23T11:43:10.268Z] [ 14%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/domain/DomainParticipant.cpp.o
[2025-10-23T11:43:10.268Z] [ 15%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/domain/DomainParticipantImpl.cpp.o
[2025-10-23T11:43:11.622Z] [ 15%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/domain/qos/DomainParticipantFactoryQos.cpp.o
[2025-10-23T11:43:11.876Z] [ 15%] Building CXX object src/cpp/CMakeFiles/fastdds.dir/fastdds/domain/qos/DomainParticipantQos.cpp.o
[2025-10-23T11:43:12.796Z] In file included /source_subfolder/thirdparty/asio/asio/include/asio/impl/error_code.ipp:29,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/error_code.hpp:36,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/throw_error.hpp:20,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/impl/posix_tss_ptr.ipp:23,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/posix_tss_ptr.hpp:74,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/tss_ptr.hpp:27,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/call_stack.hpp:20,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/thread_context.hpp:20,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/recycling_allocator.hpp:20,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/handler_alloc_helpers.hpp:20,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/detail/executor_function.hpp:19,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/execution/any_executor.hpp:24,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/execution.hpp:19,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio/any_completion_executor.hpp:22,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/thirdparty/asio/asio/include/asio.hpp:18,
[2025-10-23T11:43:12.796Z]                  /source_subfolder/src/cpp/fastdds/domain/DomainParticipantImpl.cpp:26:
[2025-10-23T11:43:12.796Z] /source_subfolder/thirdparty/asio/asio/include/asio/detail/socket_types.hpp:414:33: error: 'SA_RESTART' was not declared in this scope
[2025-10-23T11:43:12.796Z]  # define ASIO_OS_DEF_SA_RESTART SA_RESTART

Steps to reproduce

Compile fastdds qnx 7.1 x64 (QCC 8.3.0).

Fast DDS version/commit

3.4.0

Platform/Architecture

Other. Please specify in Additional context section.

Transport layer

Default configuration, UDPv4 & SHM

Additional context

qnx 7.1 x64 (QCC 8.3.0).

XML configuration file

Relevant log output

Network traffic capture

No response