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Windows Subsystem for Linux

Note: If you are on build 17110 of Windows or higher, you must use extension version 0.17.0 or higher for IntelliSense to work. The Windows team turned on case-sensitive folders for the WSL environment and the C/C++ extension doesn't support case-sensitive folders until version 0.17.0.

To use the Windows Subsystem for Linux with this extension you need to add a configuration to your c_cpp_properties.json file which adds the necessary header paths from within the WSL filesystem to the includePath.

Select "C/Cpp: Edit Configurations" from the command palette to create the c_cpp_properties.json file if you haven't already.

With extension version 0.17.0 and higher:

In c_cpp_properties.json you can directly address your WSL compiler and include paths by using *nix-style paths and we will do the conversion to Windows paths for you. If you have multiple distros installed, we disambiguate the compilerPath by picking the one marked as Default when you run wslconfig.exe /l in a CMD or PowerShell window. We continue to support Windows-style paths for these properties as outlined in the archived instructions if you prefer to use those.

    "name": "WSL",
    "intelliSenseMode": "gcc-x64",
    "compilerPath": "/usr/bin/gcc",
    "includePath": [
    "defines": [],
    "cStandard": "c11",
    "cppStandard": "c++17"

Earlier versions of the extension:

If you are on a build of Windows prior to 17110 and you have an older version of the C/C++ extension installed, use these instructions instead.

Remember to heed the warnings of the Windows team about not creating or editing Linux files from a Windows app!