{ stdenv , fetchFromGitLab , lib , meson , ninja , libGL , libglvnd ? null , makeWrapper , pkg-config , python3 , x11Support ? true, libxcb ? null, libX11 ? null , waylandSupport ? true, wayland ? null , useGbm ? true, mesa ? null, libudev ? null }: assert x11Support -> (libxcb != null && libX11 != null); assert waylandSupport -> wayland != null; assert useGbm -> (mesa != null && libudev != null); assert with stdenv.hostPlatform; isUnix && !isDarwin -> libglvnd != null; stdenv.mkDerivation rec { pname = "waffle"; version = "1.6.1"; src = fetchFromGitLab { domain = "gitlab.freedesktop.org"; owner = "mesa"; repo = "waffle"; rev = "v${version}"; sha256 = "0s8gislmhccfa04zsj1yqk97lscbbnmxirr2zm4q3p8ybmpfhpqr"; }; buildInputs = [ libGL ] ++ stdenv.lib.optionals (with stdenv.hostPlatform; isUnix && !isDarwin) [ libglvnd ] ++ stdenv.lib.optionals x11Support [ libX11 libxcb ] ++ stdenv.lib.optionals waylandSupport [ wayland ] ++ stdenv.lib.optionals useGbm [ mesa libudev ]; nativeBuildInputs = [ meson ninja makeWrapper pkg-config python3 ]; postInstall = '' wrapProgram $out/bin/wflinfo \ --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ libGL libglvnd ]} ''; meta = with lib; { description = "A cross-platform C library that allows one to defer selection of an OpenGL API and window system until runtime"; homepage = "http://www.waffle-gl.org/"; license = licenses.bsd2; platforms = platforms.mesaPlatforms; maintainers = with maintainers; [ Flakebi ]; }; }