macのBigSurでpyenvを使用してpythonの3.8がインストールできない

pyenv install 3.8.2 python-build: use openssl@1.1 from homebrew python-build: use readline from homebrew Downloading Python-3.8.2.tar.xz... -> https://www.python.org/ftp/python/3.8.2/Python-3.8.2.tar.xz Installing Python-3.8.2... python-build: use readline from homebrew python-build: use zlib from xcode sdk BUILD FAILED (OS X 11.2.3 using python-build 2.3.0-1-g867f34b5) Inspect or clean up the working tree at /var/folders/qf/k41gj1k502g3l6k5ylrlk_p00000gn/T/python-build.20220504185112.22251 Results logged to /var/folders/qf/k41gj1k502g3l6k5ylrlk_p00000gn/T/python-build.20220504185112.22251.log Last 10 log lines: clang -c -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -I./Include/internal -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -DPy_BUILD_CORE -o Modules/main.o Modules/main.c clang -c -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -I./Include/internal -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -DPy_BUILD_CORE -o Modules/gcmodule.o Modules/gcmodule.c clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include -std=c99 -Wextra -Wno-unused-result -Wno-unused-parameter -Wno-missing-field-initializers -Wstrict-prototypes -Werror=implicit-function-declaration -I./Include/internal -I. -I./Include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -I/usr/local/opt/readline/include -I/usr/local/opt/readline/include -I/Users/hayato/.pyenv/versions/3.8.2/include -DPy_BUILD_CORE_BUILTIN -DPy_BUILD_CORE_BUILTIN -I./Include/internal -c ./Modules/posixmodule.c -o Modules/posixmodule.o ./Modules/posixmodule.c:9197:15: error: implicit declaration of function 'sendfile' is invalid in C99 [-Werror,-Wimplicit-function-declaration] ret = sendfile(in, out, offset, &sbytes, &sf, flags); ^ 1 error generated. make: * [Modules/posixmodule.o] Error 1 make: * Waiting for unfinished jobs.... 1 warning generated.

CFLAGS="-I$(brew --prefix openssl)/include -I$(brew --prefix bzip2)/include -I$(brew --prefix readline)/include -I$(xcrun --show-sdk-path)/usr/include" LDFLAGS="-L$(brew --prefix openssl)/lib -L$(brew --prefix readline)/lib -L$(brew --prefix zlib)/lib -L$(brew --prefix bzip2)/lib" pyenv install --patch 3.8.0 < <(curl -sSL https://github.com/python/cpython/commit/8ea6353.patch\?full_index\=1)

$ brew update

$ xcode-select --install