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authorJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-14 13:44:07 -0500
committerJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-14 13:44:07 -0500
commitbca2e8255e4230398edd1f91ce45521d54d6122e (patch)
tree1a4fad3a8ddac150af210751ae44eb0c304bc0ea /pkgs/development/tools/ocaml/utop/default.nix
parenta951f2a27f3f664eb1f33ee3bc2193c19383e59f (diff)
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treewide: CAML_LD_LIBRARY_PATH may be undefined
Diffstat (limited to 'pkgs/development/tools/ocaml/utop/default.nix')
-rw-r--r--pkgs/development/tools/ocaml/utop/default.nix1
1 files changed, 1 insertions, 0 deletions
diff --git a/pkgs/development/tools/ocaml/utop/default.nix b/pkgs/development/tools/ocaml/utop/default.nix
index 290ab9b571f..f154b94ae33 100644
--- a/pkgs/development/tools/ocaml/utop/default.nix
+++ b/pkgs/development/tools/ocaml/utop/default.nix
@@ -39,6 +39,7 @@ stdenv.mkDerivation rec {
        installPhase = ''
          mkdir -p "$out"/${path}
          for e in OCAMLPATH CAML_LD_LIBRARY_PATH; do
+           [[ -v "$e" ]] || continue
            printf %s "''${!e}" > "$out"/${path}/$e
          done
        '';