无法在 Mac 上安装 mysqlclient

【问题标题】：can't install mysqlclient on Mac无法在 Mac 上安装 mysqlclient
【发布时间】：2021-01-06 13:56:41
【问题描述】：

我尝试在虚拟环境中的 mac 上安装安装 mysqlclient，如下所示：

pip3 install mysqlclient

我收到以下错误：

Collecting mysqlclient
  Using cached https://files.pythonhosted.org/packages/a5/e1/e5f2b231c05dc51d9d87fa5066f90d1405345c54b14b0b11a1c859020f21/mysqlclient-2.0.1.tar.gz
Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... error
    ERROR: Command errored out with exit status 1:
     command: /Users/josephestes/Development/apps/vmstracker/tutorial-env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-install-29km7sh3/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-install-29km7sh3/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-record-0xkt41xv/install-record.txt --single-version-externally-managed --compile --install-headers /Users/josephestes/Development/apps/vmstracker/tutorial-env/include/site/python3.8/mysqlclient
         cwd: /private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-install-29km7sh3/mysqlclient/
    Complete output (118 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.14.6-x86_64-3.8
    creating build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/_exceptions.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/connections.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/converters.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/cursors.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/release.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/times.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    creating build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/CLIENT.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/CR.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/ER.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/FLAG.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    running build_ext
    building 'MySQLdb._mysql' extension
    creating build/temp.macosx-10.14.6-x86_64-3.8
    creating build/temp.macosx-10.14.6-x86_64-3.8/MySQLdb
    xcrun -sdk macosx clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -iwithsysroot/System/Library/Frameworks/System.framework/PrivateHeaders -iwithsysroot/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/Headers -arch arm64 -arch x86_64 -Dversion_info=(2,0,1,'final',0) -D__version__=2.0.1 -I/usr/local/opt/mysql-client/include/mysql -I/Users/josephestes/Development/apps/vmstracker/tutorial-env/include -I/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8 -c MySQLdb/_mysql.c -o build/temp.macosx-10.14.6-x86_64-3.8/MySQLdb/_mysql.o
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:32:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/cdefs.h:807:2: error: Unsupported architecture
    #error Unsupported architecture
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:33:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/machine/_types.h:34:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:52:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:55:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:56:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_blksize_t;     /* preferred block size */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:57:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_dev_t;         /* dev_t */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:60:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_gid_t;         /* [???] process and group IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:61:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_id_t;          /* [XSI] pid_t, uid_t, or gid_t*/
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:62:9: error: unknown type name '__uint64_t'; did you mean 'uint64_t'?
    typedef __uint64_t      __darwin_ino64_t;       /* [???] Used for 64 bit inodes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/_types/_uint64_t.h:31:28: note: 'uint64_t' declared here
    typedef unsigned long long uint64_t;
                               ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:52:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:68:9: error: unknown type name '__darwin_natural_t'
    typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:70:9: error: unknown type name '__uint16_t'
    typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:71:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:72:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:73:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:74:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:75:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types.h:76:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
            ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:53:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types/_intptr_t.h:30:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/machine/types.h:37:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/stdint.h:53:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/_types/_intptr_t.h:32:9: error: unknown type name '__darwin_intptr_t'
    typedef __darwin_intptr_t       intptr_t;
            ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:46:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/types.h:81:
    /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/machine/endian.h:37:2: error: architecture not supported
    #error architecture not supported
     ^
    fatal error: too many errors emitted, stopping now [-ferror-limit=]
    20 errors generated.
    error: command 'xcrun' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/josephestes/Development/apps/vmstracker/tutorial-env/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-install-29km7sh3/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-install-29km7sh3/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/9_/hr4rf2_914q_g933hy7z4n5h0000gn/T/pip-record-0xkt41xv/install-record.txt --single-version-externally-managed --compile --install-headers /Users/josephestes/Development/apps/vmstracker/tutorial-env/include/site/python3.8/mysqlclient Check the logs for full command output.

有人知道这个错误可能是什么原因造成的吗？

【问题讨论】：

  • 你试过 sudo pip3 install ... 吗？
  • 是的，我有。这不是权限问题。
  • 我遇到了同样的错误——我唯一能看到的不同是我的 XCode 在周末自动更新到版本 12。我只能猜测“不受支持的架构”错误与 XCode 中的新 ARM 支持有关。尝试了无数次修复，但都没有成功。
  • 安装其他库时似乎出现了同样的错误。这个解决方案对我有用 [github.com/giampaolo/psutil/issues/1832#issuecomment-704596756] 简而言之，当你的虚拟环境处于活动状态时export ARCHFLAGS="-arch x86_64" 然后 pip3 install mysqlclient

标签： python macos mysql-python mysql-connector


【解决方案1】：

今天早上我也遇到了同样的错误；经过 4 小时的大量尝试，并用光了我这个月的全部脏器捐款，我偶然发现了一个解决方案。

我通过自制软件安装了 Python3，但 Xcode 12 在周末更新并在我的机器上劫持了它。无论 Python 3 的 Xcode 安装包括什么，它都会尝试设置包含 ARM 架构的 CFLAGS - 这会导致错误。

如果你运行python3 -m sysconfig，它将输出一个巨大的变量列表。对它们进行扫描，如果它指向您的 XCode 安装的 python 而不是 /usr/local/{wherever brew installed version 3.x of python} 中的一个，那么它可能是同一个问题。

我最终通过以下方式解决了这个问题：

  • 为此项目停用我的 virtualenv
  • 删除项目的 virtualenv 文件夹
  • 运行 brew doctor 并按照建议确保设置正确的文件夹和链接
  • 确保 export PATH=/usr/local/bin:/usr/local/sbin:~/bin:$PATH 位于我的 .zshrc（或者如果您仍在使用 bash，.bash_profile）路径更新的开头
  • 启动一个新的终端窗口
  • 检查我指向的python是带有which python3的brew
  • 切换到项目并运行python3 -m venv ~/.virtualenvs/project-name
  • 使用source ~/.virtualenvs/project-name/bin/activate 激活虚拟环境
  • 最后是pip3 install -r requirements.txt

希望这对你（或某人）有用，那么我知道这 4 个小时是值得的。

【讨论】：

    【解决方案2】： 
    $ pip3 install mysqlclient
Looking in indexes: http://mirrors.ugtt.edu/pypi/simple
Collecting mysqlclient
  Downloading http://mirrors.ugtt.edu/pypi/packages/3c/df/59cd2fa5e48d0804d213bdcb1acb4d08c403b61c7ff7ed4dd4a6a2deb3f7/mysqlclient-2.0.3.tar.gz (88kB)
     |████████████████████████████████| 92kB 1.1MB/s
Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... error
    ERROR: Command errored out with exit status 1:
     command: /Users/e123/Projects/python/envs/pi2/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-install-mkpiwyap/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-install-mkpiwyap/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-record-fhoi4_w2/install-record.txt --single-version-externally-managed --compile --install-headers /Users/e123/Projects/python/envs/pi2/include/site/python3.8/mysqlclient
         cwd: /private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-install-mkpiwyap/mysqlclient/
    Complete output (132 lines):
    mysql_config --version
    ['8.0.22']
    mysql_config --libs
    ['-L/usr/local/opt/mysql-client/lib', '-lmysqlclient', '-lssl', '-lcrypto', '-lresolv']
    mysql_config --cflags
    ['-I/usr/local/opt/mysql-client/include/mysql']
    ext_options:
      library_dirs: ['/usr/local/opt/mysql-client/lib']
      libraries: ['mysqlclient', 'resolv']
      extra_compile_args: ['-std=c99']
      extra_link_args: []
      include_dirs: ['/usr/local/opt/mysql-client/include/mysql']
      extra_objects: []
      define_macros: [('version_info', "(2,0,3,'final',0)"), ('__version__', '2.0.3')]
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.14.6-x86_64-3.8
    creating build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/_exceptions.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/connections.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/converters.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/cursors.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/release.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    copying MySQLdb/times.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb
    creating build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/__init__.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/CLIENT.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/CR.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/ER.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/FIELD_TYPE.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    copying MySQLdb/constants/FLAG.py -> build/lib.macosx-10.14.6-x86_64-3.8/MySQLdb/constants
    running build_ext
    building 'MySQLdb._mysql' extension
    creating build/temp.macosx-10.14.6-x86_64-3.8
    creating build/temp.macosx-10.14.6-x86_64-3.8/MySQLdb
    clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -iwithsysroot/System/Library/Frameworks/System.framework/PrivateHeaders -iwithsysroot/Applications/Xcode.app/Contents/Developer/Library/Frameworks/Python3.framework/Versions/3.8/Headers -arch arm64 -arch x86_64 -I/usr/local/opt/openssl/include -Dversion_info=(2,0,3,'final',0) -D__version__=2.0.3 -I/usr/local/opt/mysql-client/include/mysql -I/Users/e123/Projects/python/envs/pi2/include -I/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions/3.8/include/python3.8 -c MySQLdb/_mysql.c -o build/temp.macosx-10.14.6-x86_64-3.8/MySQLdb/_mysql.o -std=c99
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:32:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/cdefs.h:807:2: error: Unsupported architecture
    #error Unsupported architecture
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:33:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/machine/_types.h:34:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:52:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:55:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_blkcnt_t;      /* total blocks */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:56:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_blksize_t;     /* preferred block size */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:57:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_dev_t;         /* dev_t */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:60:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_gid_t;         /* [???] process and group IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:61:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_id_t;          /* [XSI] pid_t, uid_t, or gid_t*/
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:62:9: error: unknown type name '__uint64_t'; did you mean 'uint64_t'?
    typedef __uint64_t      __darwin_ino64_t;       /* [???] Used for 64 bit inodes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/_types/_uint64_t.h:31:28: note: 'uint64_t' declared here
    typedef unsigned long long uint64_t;
                               ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:52:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:68:9: error: unknown type name '__darwin_natural_t'
    typedef __darwin_natural_t __darwin_mach_port_name_t; /* Used by mach */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:70:9: error: unknown type name '__uint16_t'
    typedef __uint16_t      __darwin_mode_t;        /* [???] Some file attributes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:71:9: error: unknown type name '__int64_t'
    typedef __int64_t       __darwin_off_t;         /* [???] Used for file sizes */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:72:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_pid_t;         /* [???] process and group IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:73:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_sigset_t;      /* [???] signal set */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:74:9: error: unknown type name '__int32_t'
    typedef __int32_t       __darwin_suseconds_t;   /* [???] microseconds */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:75:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_uid_t;         /* [???] user IDs */
            ^
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types.h:76:9: error: unknown type name '__uint32_t'
    typedef __uint32_t      __darwin_useconds_t;    /* [???] microseconds */
            ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:53:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_intptr_t.h:30:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/machine/types.h:37:2: error: architecture not supported
    #error architecture not supported
     ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:45:
    In file included from /Library/Developer/CommandLineTools/usr/lib/clang/12.0.0/include/stdint.h:52:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/stdint.h:53:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/_types/_intptr_t.h:32:9: error: unknown type name '__darwin_intptr_t'
    typedef __darwin_intptr_t       intptr_t;
            ^
    In file included from MySQLdb/_mysql.c:29:
    In file included from /usr/local/opt/mysql-client/include/mysql/mysql.h:46:
    In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/sys/types.h:81:
    /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk/usr/include/machine/endian.h:37:2: error: architecture not supported
    #error architecture not supported
     ^
    fatal error: too many errors emitted, stopping now [-ferror-limit=]
    20 errors generated.
    error: command 'clang' failed with exit status 1
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/e123/Projects/python/envs/pi2/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-install-mkpiwyap/mysqlclient/setup.py'"'"'; __file__='"'"'/private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-install-mkpiwyap/mysqlclient/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/h6/q2hryq8n3hj_9lmqznt05jwm0000gn/T/pip-record-fhoi4_w2/install-record.txt --single-version-externally-managed --compile --install-headers /Users/e123/Projects/python/envs/pi2/include/site/python3.8/mysqlclient Check the logs for full command output.

    其他事情：

    昨天早上我把macos的版本从10.15.4升级到了10.15.7之后，所有的python虚拟环境都被废掉了。

    我是这样解决这个问题的：

    上面的错误是无法识别底层系统平台，所以我只是单独指定了。我不知道这个安装是否还有其他问题。到目前为止，一切正常。

    $ export CFLAGS="-D__x86_64__"  // OR export ARCHFLAGS="-arch x86_64"
$ pip3 install mysqlclient
Looking in indexes: http://mirrors.ugtt.edu/pypi/simple
Collecting mysqlclient
  Downloading http://mirrors.ugtt.edu/pypi/packages/3c/df/59cd2fa5e48d0804d213bdcb1acb4d08c403b61c7ff7ed4dd4a6a2deb3f7/mysqlclient-2.0.3.tar.gz (88kB)
     |████████████████████████████████| 92kB 1.2MB/s
Installing collected packages: mysqlclient
  Running setup.py install for mysqlclient ... done
Successfully installed mysqlclient-2.0.3

    【讨论】：

      【解决方案3】：

      我遇到了这个问题。在我看来，我使用的是 brews python3，所以我很困惑。

      为了修复它，我通过 pyenv 安装了 python 3.8.3，并使用 which python 3.8 创建了一个 virtualenv，在该 venv 中我可以安装 mysqlclient。

      【讨论】：

      【解决方案4】：

      尝试使用 brew 有很多关于在 mac 上安装失败的帖子

      brew install mysql

      还有错误“#error Unsupported architecture” - 可能是您正在使用 Mojave 并且为 Catalina 更新了最新的 mysqlclient 或尝试this 或他们的git recommendation for macOS

      【讨论】：

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