相关疑难解决方法(0)

这是我得到的错误

(mysite)zjm1126@zjm1126-G41MT-S2:~/zjm_test/mysite$ pip install mysql-python
Downloading/unpacking mysql-python
  Downloading MySQL-python-1.2.3.tar.gz (70Kb): 70Kb downloaded
  Running setup.py egg_info for package mysql-python
    sh: mysql_config: not found
    Traceback (most recent call last):
      File "<string>", line 14, in <module>
      File "/home/zjm1126/zjm_test/mysite/build/mysql-python/setup.py", line 15, in <module>
        metadata, options = get_config()
      File "setup_posix.py", line 43, in get_config
        libs = mysql_config("libs_r")
      File "setup_posix.py", line 24, in mysql_config
        raise EnvironmentError("%s not found" % (mysql_config.path,))
    EnvironmentError: mysql_config not found
    Complete output from command python setup.py egg_info:
    sh: mysql_config: not found

Traceback …

有人可以帮我理解一些较新的编译器技术之间的关系吗？究竟什么是LLVM和clang,它们与gcc/g ++有什么关系？

尝试在Python 3.6.0上使用pip3安装mysqlclient

$ pip3 install mysqlclient
Collecting mysqlclient
  Using cached mysqlclient-1.3.10.tar.gz
    Complete output from command python setup.py egg_info:
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/3k/08g3yx_12kg99kyfs989md600000gn/T/pip-build-1qv_89jc/mysqlclient/setup.py", line 17, in <module>
        metadata, options = get_config()
      File "/private/var/folders/3k/08g3yx_12kg99kyfs989md600000gn/T/pip-build-1qv_89jc/mysqlclient/setup_posix.py", line 54, in get_config
        libraries = [dequote(i[2:]) for i in libs if i.startswith('-l')]
      File "/private/var/folders/3k/08g3yx_12kg99kyfs989md600000gn/T/pip-build-1qv_89jc/mysqlclient/setup_posix.py", line 54, in <listcomp>
        libraries = [dequote(i[2:]) for i in libs if i.startswith('-l')]
      File "/private/var/folders/3k/08g3yx_12kg99kyfs989md600000gn/T/pip-build-1qv_89jc/mysqlclient/setup_posix.py", line 12, in dequote
        if s[0] in "\"'" and …

我想在我的Mac上安装git(OS X 10.10.3).我写道:brew install git

但它报告说:

sh: line 1:  1549 Abort trap: 6           /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk / -find clang 2> /dev/null
clang: error: unable to find utility "clang", not a developer tool or in PATH
sh: line 1:  1552 Abort trap: 6           /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -sdk / -find otool 2> /dev/null
otool: error: unable to find utility "otool", not a developer tool or in PATH
Error: Failure while executing: /usr/bin/otool -L /usr/bin/install_name_tool

然后我写brew医生.它报告说:

Warning: /usr/local/include isn't writable.

This can happen if you "sudo …

我已经PostgreSQL在 macOS 上通过 brew安装了：

brew install postgresql

尝试了这些命令，都失败了：

• pipenv 安装 psycopg2
• pip 安装 psycopg2

错误：

brew install postgresql

此外，将其设置为 shell 然后重新加载：

...
  clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Users/user0/.pyenv/versions/3.8.0/include/python3.8 -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_qstring.c -o build/temp.macosx-10.14-x86_64-3.8/psycopg/adapter_qstring.o
  clang -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -I/Library/Developer/CommandLineTools/SDKs/MacOSX10.14.sdk/usr/include -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Users/user0/.pyenv/versions/3.8.0/include/python3.8 -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/microprotocols.c -o build/temp.macosx-10.14-x86_64-3.8/psycopg/microprotocols.o
  clang -Wno-unused-result …