mac在哪里设置For compilers to find zlib you may need to set: export LDFLAGS="-L/opt/homebrew/opt/zlib/lib" export CPPFLAGS="-I/opt/homebrew/opt/zlib/include"
时间: 2023-06-17 11:02:26 浏览: 59
这是设置环境变量的命令,它可以告诉编译器在哪里找到 zlib 库和头文件。如果你使用的是 macOS 系统并且使用 Homebrew 安装了 zlib,你可以将这两个命令添加到你的 shell 配置文件中,例如 .bash_profile 或 .zshrc:
```
echo 'export LDFLAGS="-L/opt/homebrew/opt/zlib/lib"' >> ~/.bash_profile
echo 'export CPPFLAGS="-I/opt/homebrew/opt/zlib/include"' >> ~/.bash_profile
```
然后运行以下命令使其生效:
```
source ~/.bash_profile
```
这将设置环境变量并使编译器能够正确地找到 zlib 库和头文件。
相关问题
==> Options --HEAD Install HEAD version ==> Caveats zlib is keg-only, which means it was not symlinked into /opt/homebrew, because macOS already provides this software and installing another version in parallel can cause all kinds of trouble. For compilers to find zlib you may need to set: export LDFLAGS="-L/opt/homebrew/opt/zlib/lib" export CPPFLAGS="-I/opt/homebrew/opt/zlib/include" ==> Analytics install: 1,802 (30 days), 47,333 (90 days), 1,139,842 (365 days) install-on-request: 504 (30 days), 17,580 (90 days), 480,877 (365 days) build-error: 0 (30 days)
这是一个 Homebrew 的安装日志,它告诉你安装了一个名为 zlib 的软件,但由于 macOS 已经提供了这个软件,所以它没有被链接到 /opt/homebrew 目录下,避免了可能会出现的问题。如果你需要编译器找到 zlib,你需要设置一些环境变量,具体是设置 `LDFLAGS` 和 `CPPFLAGS`。安装分析数据告诉你在过去的 30 天、90 天和 365 天内,这个软件的安装情况、请求安装情况和构建错误情况。
"/usr/local/bin/clang++" is not able to compile a simple test program.
This error message usually indicates that there is a problem with your C++ compiler installation or configuration. Here are a few things you can try to resolve the issue:
1. Make sure that you have installed a C++ compiler on your system. You can check this by running the command "clang++ --version" in a terminal window. If the command is not recognized, you may need to install the compiler.
2. Check that the compiler is properly configured. Sometimes compilers need additional configuration to work properly. Check that the necessary environmental variables are set correctly, and that any required system libraries are installed.
3. Check that there are no issues with your system's configuration. Sometimes issues with system libraries or other configuration issues can cause problems with compilers. Try running other system tools to see if they work correctly.
4. Try reinstalling the compiler. If all else fails, you may need to reinstall the compiler to fix any issues that may be present.
If none of these steps work, you may need to consult the documentation for your specific compiler or seek help from a community forum or support group.