diff options
Diffstat (limited to 'pkgs/development/tools/misc/swig/default.nix')
| -rw-r--r-- | pkgs/development/tools/misc/swig/default.nix | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/tools/misc/swig/default.nix b/pkgs/development/tools/misc/swig/default.nix index de5048afba15..a84ad4fc1f35 100644 --- a/pkgs/development/tools/misc/swig/default.nix +++ b/pkgs/development/tools/misc/swig/default.nix @@ -1,8 +1,8 @@ { perlSupport, pythonSupport , stdenv, fetchurl, perl ? null, python ? null}: -assert perlSupport -> !isNull perl; -assert pythonSupport -> !isNull python; +assert perlSupport -> perl != null; +assert pythonSupport -> python != null; derivation { name = "swig-1.3.19"; |