Build on Linux
GCC/Clang, apt dependencies, CMake flags, and opencv_contrib on Linux.
Building OpenCV
These guides cover building OpenCV from source on each supported platform. Building from source gives you full control over compile-time flags, optional modules (opencv_contrib), GPU acceleration (CUDA), and debug/release configurations.
Platform Guides
Section titled “Platform Guides”Build on Windows
Visual Studio, cmake-gui, Ninja, and MSVC-specific gotchas on Windows.
Build on macOS
Xcode, Homebrew, and Apple Silicon (M-series) build flags on macOS.
Build with CUDA (Linux & Windows)
CMake flags, compute capability table, full CUDA build commands for Linux and Windows.
Build on Jetson Nano
JetPack 4.6, CUDA 10.2, swap expansion, and full CMake config for NVIDIA Jetson Nano.