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-rw-r--r--nixpkgs/pkgs/tools/text/wdiff/default.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/text/wdiff/default.nix b/nixpkgs/pkgs/tools/text/wdiff/default.nix
index 4d0f87354ad3..510cf18369e6 100644
--- a/nixpkgs/pkgs/tools/text/wdiff/default.nix
+++ b/nixpkgs/pkgs/tools/text/wdiff/default.nix
@@ -9,10 +9,15 @@ stdenv.mkDerivation rec {
     sha256 = "0sxgg0ms5lhi4aqqvz1rj4s77yi9wymfm3l3gbjfd1qchy66kzrl";
   };
 
+  # for makeinfo
+  nativeBuildInputs = [ texinfo ];
+
   buildInputs = [ texinfo ];
 
   checkInputs = [ which ];
 
+  strictDeps = true;
+
   meta = with lib; {
     homepage = "https://www.gnu.org/software/wdiff/";
     description = "Comparing files on a word by word basis";