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Problem:

When I run the hx -g build command to build the tree-sitter grammars Helix throws the following error:

Building 123 grammars
123 grammars failed to build

    Failure 0/123: Failed to execute C/C++ compiler
    Failure 1/123: Failed to execute C/C++ compiler
    Failure 2/123: Failed to execute C/C++ compiler
    ...
    ...
    Failure 122/123: Failed to execute C/C++ compiler
    Failure 123/123: Failed to execute C/C++ compiler

Running hx -g fetch succeeds with this message:

Fetching 123 grammars
123 up to date git grammars

System specification:

  • Helix: 22.12 (96ff64a8)
  • Clang: 16.0.0
  • Clang++: 16.0.0
  • PowerShell: 7.3.3
  • Windows: 22H2

Expected result:

Tree-sitter grammars build successfully.

What I tried:

  1. Found this wiki on troubleshooting this specific issue, but there is not enough information provided on which C/C++ compiler I need to install.
  2. Tried using different compiler (gcc 11.2.0)
Hammad Majid
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2 Answers2

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not sure if you already resolved this or not.

I got the same issue, and had to install both gcc and g++ on Debian Bookworm:

sudo apt install gcc g++

Eric Hansen
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  • Not sure about that because I'm on Windows 10 machine. However, I fixed it by installing Visual Studio build tools for C/C++. – Hammad Majid Aug 19 '23 at 10:29
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Installing Visual Studio build tools for C/C++ fixed it for me.

Hammad Majid
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