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INSTALL.md

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Building and installation

You are generally recommended to use your distro's package manager to install Notcurses; it is available prepackaged on many distributions. If you wish to build from source, read on.

Prerequisites for building

Acquire the current source via

git clone https://github.com/dankamongmen/notcurses.git

There are no submodules. Dependencies are fairly minimal.

APT

Install build dependencies:

apt-get install build-essential cmake doctest-dev libavdevice-dev libdeflate-dev libgpm-dev libncurses-dev libqrcodegen-dev libswscale-dev libunistring-dev pandoc pkg-config

If you only intend to build core Notcurses (without multimedia support), you can omit libavdevice-dev from this list. zlib1g-dev can be substituted for libdeflate-dev; build with -DUSE_DEFLATE=off in this case. If you don't want to generate QR codes, you can omit 'libqrcodegen-dev'.

If you want to build the Python wrappers, you'll also need:

apt-get install python3-cffi python3-dev python3-pypandoc python3-setuptools

RPM

Install build dependencies:

dnf install cmake doctest-devel libdeflate-devel ncurses-devel gpm-devel libqrcodegen-devel libunistring-devel OpenImageIO-devel pandoc

If you only intend to build core Notcurses (without multimedia support), you can omit OpenImageIO-devel. If you're building outside Fedora Core (e.g. with RPM Fusion), you might want to use FFmpeg rather than OpenImageIO. If you don't want to generate QR codes, you can omit 'libqrcodegen-devel'. zlib-devel can substitute for libdeflate-devel; build with -DUSE_DEFLATE=off in this case.

FreeBSD / DragonFly BSD

Install build dependencies:

pkg install archivers/libdeflate devel/ncurses multimedia/ffmpeg graphics/qr-code-generator devel/libunistring

If you only intend to build core Notcurses (without multimedia support), you can omit multimedia/ffmpeg. If you do not want to deflate Kitty graphics, you can omit 'archivers/libdeflate'; build with -DUSE_DEFLATE=off in this case. If you don't want to generate QR codes, you can omit 'graphics/qr-code-generator'.

Microsoft Windows

Building on Windows requires MSYS2 in its 64-bit Universal C Runtime (UCRT) incarnation. This builds native Windows DLLs and EXEs, though it does not use Visual Studio. Install build dependencies:

pacman -S mingw-w64-ucrt-x86_64-cmake mingw-w64-ucrt-x86_64-libdeflate mingw-w64-ucrt-x86_64-libunistring mingw-w64-ucrt-x86_64-ncurses mingw-w64-ucrt-x86_64-ninja mingw-w64-ucrt-x86_64-openimageio mingw-w64-ucrt-x86_64-toolchain

Note that on Windows, OpenImageIO is (at the moment) recommended over FFmpeg.

If you only intend to build core Notcurses (without multimedia support), you can omit mingw-w64-ucrt-x86_64-openimageio. If you do not want to deflate Kitty graphics, you can omit 'mingw-w64-ucrt-x86_64-libdeflate'; build with -DUSE_DEFLATE=off in this case.

You'll want to add -DUSE_DOCTEST=off -DUSE_PANDOC=off to your cmake invocation. notcurses-tester does not currently work on Windows, and you probably don't want to build the UNIX-style documentation.

Building

  • Create a subdirectory, traditionally build (this is not strictly necessary, but it keeps your source tree clean). Enter the directory.
  • cmake ..
    • You might want to set e.g. CMAKE_BUILD_TYPE. Use -DVAR=val.
    • To build without multimedia support, use -DUSE_MULTIMEDIA=none.
  • make
  • make test
  • make install
  • sudo ldconfig

The default multimedia engine is FFmpeg. You can select a different engine using USE_MULTIMEDIA. Valid values are ffmpeg, oiio (for OpenImageIO), or none. Without a multimedia engine, Notcurses will be unable to decode images and videos.

To get mouse events in the Linux console, you'll need the GPM daemon running, and you'll need run cmake with -DUSE_GPM=on.

Run unit tests with make test following a successful build. If you have unit test failures, please file a bug including the output of

./notcurses-tester -p ../data

(make test also runs notcurses-tester, but hides important output).

To watch the bitchin' demo, run make demo (or ./notcurses-demo -p ../data). More details can be found on the notcurses-demo(1) man page.

Install with make install following a successful build. This installs the C core library, the C headers, the C++ library, and the C++ headers (note that the C headers are C++-safe). It does not install the Python wrappers. To install the Python wrappers (after installing the core library), run:

cd cffi
python setup.py build
python setup.py install

The Python wrappers are also available from PyPi.

Build options

To set the C compiler, export CC. To set the C++ compiler, export CXX. The CMAKE_BUILD_TYPE CMake variable can be defined to any of its standard values, but must be Debug for use of USE_COVERAGE.

  • DFSG_BUILD: leave out all content considered non-free under the Debian Free Software Guidelines (default off)
  • BUILD_TESTING: build test targets (default on)
  • BUILD_EXECUTABLES: build executables (in addition to libs) (default on)
  • BUILD_FFI_LIBRARY: Build ffi library (containing all symbols which are static inline) (default on)
  • USE_ASAN: build with AddressSanitizer (default off)
  • USE_CXX: build C++ code (requires a C++ compiler) (default on)
  • USE_COVERAGE: build coverage support (for developers, requires use of Clang) (default off)
  • USE_DOCTEST: build notcurses-tester with Doctest, requires BUILD_TESTING and USE_CXX (default on)
  • USE_DOXYGEN: build interlinked HTML documentation with Doxygen (default off)
  • USE_GPM: build GPM console mouse support via libgpm (default off)
  • USE_MULTIMEDIA: ffmpeg for FFmpeg, oiio for OpenImageIO, none for none (default ffmpeg)
    • oiio cannot be used with USE_CXX=off
  • USE_PANDOC: build man pages with pandoc (default on)
  • USE_POC: build small, uninstalled proof-of-concept binaries (default on)
  • USE_QRCODEGEN: build qrcode support via libqrcodegen (default off)
  • USE_STATIC: build static libraries (in addition to shared ones) (default on)