file(DOWNLOAD $URL $PATH HTTPHEADER "Authorization: Bearer YOUR_TOKEN_HERE" ) Use code with caution. 3. Alternative for Dependencies: FetchContent
This production-ready script downloads a remote asset, verifies its SHA256 signature, handles errors gracefully, and extracts the file if it is an archive. cmake download command
file(DOWNLOAD "https://example.com" "$CMAKE_CURRENT_BINARY_DIR/data.json" ) Use code with caution. Essential Production Options verifies its SHA256 signature
The file(DOWNLOAD) command executes immediately when CMake runs, not during the build phase ( make or ninja ). If the asset changes frequently, users must manually re-run CMake to fetch the update. 2. Handling Authenticated Downloads handles errors gracefully
The file(DOWNLOAD) command requires a source URL and a local destination path. file(DOWNLOAD [ ...]) Use code with caution. Minimal Implementation Example
