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authorFrederik Rietdijk <fridh@fridh.nl>2021-03-25 11:18:05 +0100
committerFrederik Rietdijk <fridh@fridh.nl>2021-03-25 11:18:05 +0100
commit137fb57d98e13f4f7f6417e185e57e5391f83f99 (patch)
tree18650850059899726d029108e42f7a5a2f077a96 /pkgs/development/libraries/opencv
parent4436ac1056c86647da05c62eedea8df61c58b43c (diff)
opencv3: pythonPackages can be missing
when we do not need Python (default)
Diffstat (limited to 'pkgs/development/libraries/opencv')
-rw-r--r--pkgs/development/libraries/opencv/3.x.nix4
1 files changed, 3 insertions, 1 deletions
diff --git a/pkgs/development/libraries/opencv/3.x.nix b/pkgs/development/libraries/opencv/3.x.nix
index 11872cd47cc31..a65e978f98163 100644
--- a/pkgs/development/libraries/opencv/3.x.nix
+++ b/pkgs/development/libraries/opencv/3.x.nix
@@ -18,7 +18,7 @@
 
 , enableUnfree    ? false
 , enableIpp       ? false
-, enablePython    ? false, pythonPackages
+, enablePython    ? false, pythonPackages ? null
 , enableGtk2      ? false, gtk2
 , enableGtk3      ? false, gtk3
 , enableVtk       ? false, vtk
@@ -36,6 +36,8 @@
 
 assert blas.implementation == "openblas" && lapack.implementation == "openblas";
 
+assert enablePython -> pythonPackages != null;
+
 let
   version = "3.4.8";