1 files changed, 3 insertions, 5 deletions
diff --git a/nixpkgs/pkgs/development/libraries/opencv/3.x.nix b/nixpkgs/pkgs/development/libraries/opencv/3.x.nix
index 2ad2d016c9fd..11872cd47cc3 100644
--- a/nixpkgs/pkgs/development/libraries/opencv/3.x.nix
+++ b/nixpkgs/pkgs/development/libraries/opencv/3.x.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub, fetchpatch
-, cmake, pkgconfig, unzip, zlib, pcre, hdf5
+, cmake, pkg-config, unzip, zlib, pcre, hdf5
 , glog, boost, gflags, protobuf
 , config
 
@@ -206,7 +206,7 @@ stdenv.mkDerivation {
 
   propagatedBuildInputs = lib.optional enablePython pythonPackages.numpy;
 
-  nativeBuildInputs = [ cmake pkgconfig unzip ];
+  nativeBuildInputs = [ cmake pkg-config unzip ];
 
   NIX_CFLAGS_COMPILE = lib.optionalString enableEXR "-I${ilmbase.dev}/include/OpenEXR";
 
@@ -245,8 +245,6 @@ stdenv.mkDerivation {
     "-DEIGEN_INCLUDE_PATH=${eigen}/include/eigen3"
   ];
 
-  enableParallelBuilding = true;
-
   postBuild = lib.optionalString enableDocs ''
     make doxygen
   '';
@@ -271,7 +269,7 @@ stdenv.mkDerivation {
 
   passthru = lib.optionalAttrs enablePython { pythonPath = []; };
 
-  meta = with stdenv.lib; {
+  meta = with lib; {
     description = "Open Computer Vision Library with more than 500 algorithms";
     homepage = "https://opencv.org/";
     license = with licenses; if enableUnfree then unfree else bsd3;