If the information returned from querying the compiler doesn’t match the IntelliSense mode you chose, the C++ extension will automatically correct the IntelliSense mode for you. Next, set IntelliSense mode to the platform- and architecture-specific variant of the compiler you’re using (it should closely match the target triplet defined in Compiler arguments). This allows the C++ extension to query the compiler for system defines and include paths specific to your target platform and architecture. For example, –target=x86_64-linux if you’re targeting Linux 64-bit. Then use Compiler arguments to provide the target triplet that you use when cross-compiling your code with your compiler. Under your configuration’s Compiler path setting, enter the path to the compiler compatible with your target platform and architecture. Edit these settings by selecting C/C++: Edit Configurations (UI) from the Command Palette. Your project’s IntelliSense configurations are stored in the c_cpp_properties.json file under the. If you’re using a custom configuration provider (like CMake Tools) or compile_commands.json, then you don’t need to worry about updating the C++ extension’s IntelliSense configuration everything should just work. Assuming you have a compiler compatible with your project’s target platform and architecture, the C++ extension will query that compiler using the Compiler path, Compiler arguments, and IntelliSense mode settings in your IntelliSense configuration. Let’s say you’re developing on macOS and your project targets Linux. The C++ extension no longer hardcodes system defines based on your host OS it’ll use the system defines returned by your compiler. That’s right- platform, not just architecture. With this latest release, you can configure the extension to provide proper IntelliSense when compiling for a different platform than your host OS. Cross-compilation IntelliSense configurations The February 2021 update of the Visual Studio Code C++ extension is now available! This latest release provides support for cross-compilation IntelliSense configurations and over 60 bug fixes! To find out more about all the enhancements, check out our release notes on GitHub.
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