Merge pull request #148229 from NixOS/backport-148073-to-release-21.11

[Backport release-21.11] libxc: fix darwin build

pkgs/development/libraries/libxc/default.nix

@@ -20,6 +20,8 @@ stdenv.mkDerivation rec {
   cmakeFlags = [
     "-DENABLE_FORTRAN=ON"
     "-DBUILD_SHARED_LIBS=ON"
+    # needed for tests to link
+    "-DCMAKE_SKIP_BUILD_RPATH=OFF"
     # Force compilation of higher derivatives
     "-DDISABLE_VXC=0"
     "-DDISABLE_FXC=0"
@@ -27,10 +29,6 @@ stdenv.mkDerivation rec {
     "-DDISABLE_LXC=0"
   ];
 
-  preCheck = ''
-    export LD_LIBRARY_PATH=$(pwd)
-  '';
-
   doCheck = true;
 
   meta = with lib; {