nixpkgs/pkgs/development/libraries/libgpiod/default.nix

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{ stdenv, fetchgit, autoreconfHook, autoconf-archive, pkgconfig, kmod, enable-tools ? true }:
stdenv.mkDerivation rec {
name = "libgpiod-unstable-${version}";
version = "2018-10-07";
src = fetchgit {
url = "https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git";
rev = "4bf402d3a49336eacd33654441d575bd267780b8";
sha256 = "01f3jzb133z189sxdiz9qiy65p0bjqhynfllidbpxdr0cxkyyc1d";
};
buildInputs = [ kmod ];
nativeBuildInputs = [
autoconf-archive
pkgconfig
autoreconfHook
];
configureFlags = [
"--enable-tools=${if enable-tools then "yes" else "no"}"
"--enable-bindings-cxx"
"--prefix=$(out)"
];
meta = with stdenv.lib; {
description = "C library and tools for interacting with the linux GPIO character device";
longDescription = ''
Since linux 4.8 the GPIO sysfs interface is deprecated. User space should use
the character device instead. This library encapsulates the ioctl calls and
data structures behind a straightforward API.
'';
homepage = https://git.kernel.org/pub/scm/libs/libgpiod/libgpiod.git/about/;
license = licenses.lgpl2;
maintainers = [ maintainers.expipiplus1 ];
platforms = platforms.linux;
};
}