Cmake ((free)) Download Proxy -

set HTTP_PROXY=http://example.com set HTTPS_PROXY=http://example.com Use code with caution. powershell

Configuring settings is a critical step for developers working in restricted corporate networks or behind firewalls. Since CMake uses libcurl for network operations, it primarily relies on standard environment variables to route traffic through a proxy server. 1. Configure Global Proxy via Environment Variables cmake download proxy

The most reliable method to ensure all CMake operations (like file(DOWNLOAD) , FetchContent , and ExternalProject_Add ) use your proxy is to set these variables in your shell before running CMake. set HTTP_PROXY=http://example

If you must set it in code, do so at the very top of your CMakeLists.txt : cmake download proxy