jonkeane opened a new issue, #43735: URL: https://github.com/apache/arrow/issues/43735
### Describe the bug, including details regarding any error messages, version, and platform. I get a two-week email from CRAN ``` [ 77%] Building CXX object aws-cpp-sdk-core/CMakeFiles/aws-cpp-sdk-core.dir/source/utils/json/JsonSerializer.cpp.o -- stderr output is: make[4]: warning: jobserver unavailable: using -j1. Add `+' to parent make rule. [1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:241:20: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 241 | return send(GetUnderlyingSocket(), data, dataLen, 0);[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:248:24: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 248 | return send(GetUnderlyingSocket(), data, dataLen, 0);[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:252:24: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 252 | return sendto(GetUnderlyingSocket(), data, dataLen, 0, address, static_cast<socklen_t>(addressLength));[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:260:24: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 260 | return send(GetUnderlyingSocket(), data, dataLen, 0);[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:265:24: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 265 | return sendto(GetUnderlyingSocket(), data, dataLen, 0, reinterpret_cast<sockaddr*>(&addrinfo), sizeof(sockaddr_in6));[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:270:24: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 270 | return sendto(GetUnderlyingSocket(), data, dataLen, 0, reinterpret_cast<sockaddr*>(&addrinfo), sizeof(sockaddr_in));[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:276:20: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 276 | return recv(GetUnderlyingSocket(), buffer, static_cast<int>(bufferLen), 0);[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m[1m/var/folders/pk/n4bndnt1287ctrd_ftthnnnr0000gp/T/Rtmp6EMNas/working_dir/RtmpCm6S3O/file1379e2ea5ce6f/awssdk_ep-prefix/src/awssdk_ep/aws-cpp-sdk-core/source/net/linux-shared/SimpleUDP.cpp:282:20: [0m[0;1;31merror: [0m[1mimplicit conversion loses integer precision: 'ssize_t' (aka 'long') to 'int' [-Werror,-Wshorten-64-to-32][0m 282 | return recvfrom(GetUnderlyingSocket(), buffer, static_cast<int>(bufferLen), 0, address, reinterpret_cast<socklen_t*>(addressLength));[0m | [0;1;32m ~~~~~~ ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [0m8 errors generated. make[6]: *** [aws-cpp-sdk-core/CMakeFiles/aws-cpp-sdk-core.dir/source/net/linux-shared/SimpleUDP.cpp.o] Error 1 make[6]: Target `aws-cpp-sdk-core/CMakeFiles/aws-cpp-sdk-core.dir/build' not remade because of errors. make[5]: *** [aws-cpp-sdk-core/CMakeFiles/aws-cpp-sdk-core.dir/all] Error 2 make[5]: Target `all' not remade because of errors. make[4]: *** [all] Error 2 ``` This is new, since we only started building S3 with this release (#42210) See: https://www.stats.ox.ac.uk/pub/bdr/M1mac/arrow.log ### Component(s) R -- This is an automated message from the Apache Git Service. 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