Merge commit '84d74ae9c9cbed73274b8e4e00be14688ffc93fe'

2 files changed, 45 insertions, 4 deletions

diff --git a/nixpkgs/pkgs/development/libraries/librealsense/default.nix b/nixpkgs/pkgs/development/libraries/librealsense/default.nix
index 21f80f80efa0..55171cd3de4e 100644
--- a/nixpkgs/pkgs/development/libraries/librealsense/default.nix
+++ b/nixpkgs/pkgs/development/libraries/librealsense/default.nix
@@ -1,8 +1,13 @@
-{ stdenv, fetchFromGitHub, cmake, libusb1, ninja, pkgconfig }:
+{ stdenv, config, lib, fetchFromGitHub, cmake, libusb1, ninja, pkgconfig, gcc
+, cudaSupport ? config.cudaSupport or false, cudatoolkit
+, enablePython ? false, pythonPackages ? null }:
+
+assert cudaSupport -> cudatoolkit != null;
+assert enablePython -> pythonPackages != null;
 
 stdenv.mkDerivation rec {
   pname = "librealsense";
-  version = "2.35.2";
+  version = "2.38.0";
 
   outputs = [ "out" "dev" ];
 
@@ -10,11 +15,17 @@ stdenv.mkDerivation rec {
     owner = "IntelRealSense";
     repo = pname;
     rev = "v${version}";
-    sha256 = "14vf76vlyhh7b4yjzsnqpg1x3wdhwxrf1syvgf8wyxbjwb9plw82";
+    sha256 = "12rs0gklgzn8bplqjmaxixk04pr870i333mmcp9i5bhkn8x86zbx";
   };
 
   buildInputs = [
     libusb1
+    gcc.cc.lib
+  ] ++ lib.optional cudaSupport cudatoolkit
+    ++ lib.optional enablePython pythonPackages.python;
+
+  patches = lib.optionals enablePython [
+    ./py_sitepackage_dir.patch
   ];
 
   nativeBuildInputs = [
@@ -23,7 +34,22 @@ stdenv.mkDerivation rec {
     pkgconfig
   ];
 
-  cmakeFlags = [ "-DBUILD_EXAMPLES=false" ];
+  cmakeFlags = [
+    "-DBUILD_EXAMPLES=ON"
+    "-DBUILD_GRAPHICAL_EXAMPLES=OFF"
+    "-DBUILD_GLSL_EXTENSIONS=OFF"
+  ] ++ lib.optionals enablePython [
+    "-DBUILD_PYTHON_BINDINGS:bool=true"
+    "-DXXNIX_PYTHON_SITEPACKAGES=${placeholder "out"}/${pythonPackages.python.sitePackages}"
+  ] ++ lib.optional cudaSupport "-DBUILD_WITH_CUDA:bool=true";
+
+  # ensure python package contains its __init__.py. for some reason the install
+  # script does not do this, and it's questionable if intel knows it should be
+  # done
+  # ( https://github.com/IntelRealSense/meta-intel-realsense/issues/20 )
+  postInstall = lib.optionalString enablePython  ''
+    cp ../wrappers/python/pyrealsense2/__init__.py $out/${pythonPackages.python.sitePackages}/pyrealsense2
+  '';
 
   meta = with stdenv.lib; {
     description = "A cross-platform library for Intel® RealSense™ depth cameras (D400 series and the SR300)";
diff --git a/nixpkgs/pkgs/development/libraries/librealsense/py_sitepackage_dir.patch b/nixpkgs/pkgs/development/libraries/librealsense/py_sitepackage_dir.patch
new file mode 100644
index 000000000000..99b567a429ed
--- /dev/null
+++ b/nixpkgs/pkgs/development/libraries/librealsense/py_sitepackage_dir.patch
@@ -0,0 +1,15 @@
+--- a/wrappers/python/CMakeLists.txt
++++ b/wrappers/python/CMakeLists.txt
+@@ -10,11 +10,11 @@
+ if (CMAKE_VERSION VERSION_LESS 3.12)
+   find_package(PythonInterp REQUIRED)
+   find_package(PythonLibs REQUIRED)
+-  set(PYTHON_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/pyrealsense2" CACHE PATH "Installation directory for Python bindings")
++  set(PYTHON_INSTALL_DIR "${XXNIX_PYTHON_SITEPACKAGES}/pyrealsense2" CACHE PATH "Installation directory for Python bindings")
+   set(CMAKECONFIG_PY_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/pyrealsense2")
+ else()
+   find_package(Python REQUIRED COMPONENTS Interpreter Development)
+-  set(PYTHON_INSTALL_DIR "${Python_SITEARCH}/pyrealsense2" CACHE PATH "Installation directory for Python bindings")
++  set(PYTHON_INSTALL_DIR "${XXNIX_PYTHON_SITEPACKAGES}/pyrealsense2" CACHE PATH "Installation directory for Python bindings")
+   set(CMAKECONFIG_PY_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/pyrealsense2")
+ endif()