144 lines
3.3 KiB
Nix
144 lines
3.3 KiB
Nix
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{
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stdenv,
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fetchgit,
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lib,
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meson,
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ninja,
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pkg-config,
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makeFontsConf,
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openssl,
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libdrm,
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libevent,
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libyaml,
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gst_all_1,
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gtest,
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graphviz,
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doxygen,
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python3,
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python3Packages,
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udev,
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libpisp,
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withTracing ? lib.meta.availableOn stdenv.hostPlatform lttng-ust,
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lttng-ust, # withTracing
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withQcam ? false,
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qt6, # withQcam
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libtiff, # withQcam
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}:
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stdenv.mkDerivation rec {
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pname = "libcamera";
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version = "0.5.2";
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src = fetchgit {
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url = "https://git.libcamera.org/libcamera/libcamera.git";
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rev = "v${version}";
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hash = "sha256-nr1LmnedZMGBWLf2i5uw4E/OMeXObEKgjuO+PUx/GDY=";
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};
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outputs = [
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"out"
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"dev"
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];
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postPatch = ''
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patchShebangs src/py/ utils/
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'';
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# libcamera signs the IPA module libraries at install time, but they are then
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# modified by stripping and RPATH fixup. Therefore, we need to generate the
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# signatures again ourselves. For reproducibility, we use a static private key.
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#
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# If this is not done, libcamera will still try to load them, but it will
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# isolate them in separate processes, which can cause crashes for IPA modules
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# that are not designed for this (notably ipa_rpi.so).
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preBuild = ''
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ninja src/ipa-priv-key.pem
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install -D ${./ipa-priv-key.pem} src/ipa-priv-key.pem
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'';
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postFixup = ''
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../src/ipa/ipa-sign-install.sh src/ipa-priv-key.pem $out/lib/libcamera/ipa/ipa_*.so
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'';
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strictDeps = true;
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buildInputs = [
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# IPA and signing
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openssl
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# gstreamer integration
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gst_all_1.gstreamer
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gst_all_1.gst-plugins-base
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# cam integration
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libevent
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libdrm
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# hotplugging
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udev
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# pycamera
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python3Packages.pybind11
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# yamlparser
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libyaml
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gtest
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]
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++ lib.optionals stdenv.hostPlatform.isAarch [ libpisp ]
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++ lib.optionals withTracing [ lttng-ust ]
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++ lib.optionals withQcam [
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libtiff
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qt6.qtbase
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qt6.qttools
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];
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nativeBuildInputs = [
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meson
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ninja
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pkg-config
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python3
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python3Packages.jinja2
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python3Packages.pyyaml
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python3Packages.ply
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python3Packages.sphinx
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graphviz
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doxygen
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openssl
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]
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++ lib.optional withQcam qt6.wrapQtAppsHook;
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mesonFlags = [
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"-Dv4l2=true"
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(lib.mesonEnable "tracing" withTracing)
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(lib.mesonEnable "qcam" withQcam)
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"-Dlc-compliance=disabled" # tries unconditionally to download gtest when enabled
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# Avoid blanket -Werror to evade build failures on less
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# tested compilers.
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"-Dwerror=false"
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# Documentation breaks binary compatibility.
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# Given that upstream also provides public documentation,
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# we can disable it here.
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"-Ddocumentation=disabled"
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];
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# Fixes error on a deprecated declaration
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env.NIX_CFLAGS_COMPILE = "-Wno-error=deprecated-declarations";
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# Silence fontconfig warnings about missing config
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FONTCONFIG_FILE = makeFontsConf { fontDirectories = [ ]; };
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meta = with lib; {
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description = "Open source camera stack and framework for Linux, Android, and ChromeOS";
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homepage = "https://libcamera.org";
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changelog = "https://git.libcamera.org/libcamera/libcamera.git/tag/?h=${src.rev}";
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license = licenses.lgpl2Plus;
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maintainers = with maintainers; [ citadelcore ];
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platforms = platforms.linux;
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badPlatforms = [
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# Mandatory shared libraries.
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lib.systems.inspect.platformPatterns.isStatic
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];
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};
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}
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