Merge commit '84d74ae9c9cbed73274b8e4e00be14688ffc93fe'

1 files changed, 8 insertions, 7 deletions

diff --git a/nixpkgs/pkgs/development/libraries/ilmbase/default.nix b/nixpkgs/pkgs/development/libraries/ilmbase/default.nix
index 9d2479c2e0b3..68bd677cf777 100644
--- a/nixpkgs/pkgs/development/libraries/ilmbase/default.nix
+++ b/nixpkgs/pkgs/development/libraries/ilmbase/default.nix
@@ -1,7 +1,7 @@
 { stdenv
+, lib
 , buildPackages
 , cmake
-, libtool
 , openexr
 }:
 
@@ -11,22 +11,23 @@ stdenv.mkDerivation rec {
 
   # the project no longer provides separate tarballs. We may even want to merge
   # the ilmbase package into openexr in the future.
-  src = openexr.src;
-
-  sourceRoot = "source/IlmBase";
+  inherit (openexr) src patches;
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ cmake libtool ];
+  nativeBuildInputs = [ cmake ];
   depsBuildBuild = [ buildPackages.stdenv.cc ];
 
-  patches = [ ./cross.patch ];
-
   # fails 1 out of 1 tests with
   # "lt-ImathTest: testBoxAlgo.cpp:892: void {anonymous}::boxMatrixTransform(): Assertion `b21 == b2' failed"
   # at least on i686. spooky!
   doCheck = stdenv.isx86_64;
 
+  preConfigure = ''
+    # Need to cd after patches for openexr patches to apply.
+    cd IlmBase
+  '';
+
   meta = with stdenv.lib; {
     description = " A library for 2D/3D vectors and matrices and other mathematical objects, functions and data types for computer graphics";
     homepage = "https://www.openexr.com/";