[ujson] When I installed rasa==1.10.12, I encountered this bug. My operating system is macOS. Please help me, thanks. Details: Building wheels for collected packages: ujson Building wheel for ujson (PEP 517) ... error ERROR: Command errored out with exit status 1: command: /Users/xing.sun/opt/anaconda3/envs/RASA1/bin/python /Users/xing.sun/opt/anaconda3/envs/RASA1/lib/python3.7/site-packages/pip/_vendor/pep517/in_process/_in_process.py build_wheel /var/folders/t5/cw61m76s2tj76xktqs1nkcfd8nlhr6/T/tmpjz9v0dkg cwd: /private/var/folders/t5/cw61m76s2tj76xktqs1nkcfd8nlhr6/T/pip-install-tvt73qh4/ujson_d9af2a9d47e8493ca79ec1af54d8c789 Complete output (49 lines): running bdist_wheel running build running build_ext building 'ujson' extension creating build creating build/temp.macosx-10.7-x86_64-3.7 creating build/temp.macosx-10.7-x86_64-3.7/deps creating build/temp.macosx-10.7-x86_64-3.7/deps/double-conversion creating build/temp.macosx-10.7-x86_64-3.7/deps/double-conversion/double-conversion creating build/temp.macosx-10.7-x86_64-3.7/lib creating build/temp.macosx-10.7-x86_64-3.7/python gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I./python -I./lib -I./deps/double-conversion/double-conversion -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include/python3.7m -c ./deps/double-conversion/double-conversion/bignum.cc -o build/temp.macosx-10.7-x86_64-3.7/./deps/double-conversion/double-conversion/bignum.o -D_GNU_SOURCE clang: warning: include path for libstdc++ headers not found; pass '-stdlib=libc++' on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I./python -I./lib -I./deps/double-conversion/double-conversion -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include/python3.7m -c ./deps/double-conversion/double-conversion/fixed-dtoa.cc -o build/temp.macosx-10.7-x86_64-3.7/./deps/double-conversion/double-conversion/fixed-dtoa.o -D_GNU_SOURCE clang: warning: include path for libstdc++ headers not found; pass '-stdlib=libc++' on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include -arch x86_64 -I./python -I./lib -I./deps/double-conversion/double-conversion -I/Users/xing.sun/opt/anaconda3/envs/RASA1/include/python3.7m -c ./deps/double-conversion/double-conversion/strtod.cc -o build/temp.macosx-10.7-x86_64-3.7/./dep…

Failed to build ujson ERROR: Could not build wheels for ujson which use PEP 517 and cannot be installed directly

hsm207 (hsm207) May 24, 2021, 11:27am 2

This problem looks similar to this. Does the suggestion there work?

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