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{ stdenv
, fetchgit
, lib
, meson
, ninja
, pkg-config
, makeFontsConf
, openssl
, libdrm
, libevent
, libyaml
, gst_all_1
, gtest
, graphviz
, doxygen
, python3
, python3Packages
, systemd # for libudev
, withTracing ? lib.meta.availableOn stdenv.hostPlatform lttng-ust
, lttng-ust # withTracing
, withQcam ? false
, qt5 # withQcam
, libtiff # withQcam
}:
stdenv.mkDerivation rec {
pname = "libcamera";
version = "0.3.0";
src = fetchgit {
url = "https://git.libcamera.org/libcamera/libcamera.git";
rev = "v${version}";
hash = "sha256-eCtOtdjpwn0S56ZyRVdG1QCBk1KGPh8YTXD50xev7Bc=";
};
outputs = [ "out" "dev" ];
postPatch = ''
patchShebangs src/py/ utils/
'';
# libcamera signs the IPA module libraries at install time, but they are then
# modified by stripping and RPATH fixup. Therefore, we need to generate the
# signatures again ourselves. For reproducibility, we use a static private key.
#
# If this is not done, libcamera will still try to load them, but it will
# isolate them in separate processes, which can cause crashes for IPA modules
# that are not designed for this (notably ipa_rpi.so).
preBuild = ''
ninja src/ipa-priv-key.pem
install -D ${./ipa-priv-key.pem} src/ipa-priv-key.pem
'';
strictDeps = true;
buildInputs = [
# IPA and signing
openssl
# gstreamer integration
gst_all_1.gstreamer
gst_all_1.gst-plugins-base
# cam integration
libevent
libdrm
# hotplugging
systemd
# yamlparser
libyaml
gtest
] ++ lib.optionals withTracing [ lttng-ust ]
++ lib.optionals withQcam [ libtiff qt5.qtbase qt5.qttools ];
nativeBuildInputs = [
meson
ninja
pkg-config
python3
python3Packages.jinja2
python3Packages.pybind11
python3Packages.pyyaml
python3Packages.ply
python3Packages.sphinx
graphviz
doxygen
openssl
] ++ lib.optional withQcam qt5.wrapQtAppsHook;
mesonFlags = [
"-Dv4l2=true"
(lib.mesonEnable "tracing" withTracing)
(lib.mesonEnable "qcam" withQcam)
"-Dlc-compliance=disabled" # tries unconditionally to download gtest when enabled
# Avoid blanket -Werror to evade build failures on less
# tested compilers.
"-Dwerror=false"
# Documentation breaks binary compatibility.
# Given that upstream also provides public documentation,
# we can disable it here.
"-Ddocumentation=disabled"
];
# Fixes error on a deprecated declaration
env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
# Silence fontconfig warnings about missing config
FONTCONFIG_FILE = makeFontsConf { fontDirectories = [ ]; };
meta = with lib; {
description = "Open source camera stack and framework for Linux, Android, and ChromeOS";
homepage = "https://libcamera.org";
changelog = "https://git.libcamera.org/libcamera/libcamera.git/tag/?h=${src.rev}";
license = licenses.lgpl2Plus;
maintainers = with maintainers; [ citadelcore ];
badPlatforms = [
# Mandatory shared libraries.
lib.systems.inspect.platformPatterns.isStatic
];
};
}
|
